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/*
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* "$Id: mxml-file.c 391 2009-05-17 05:20:52Z mike $"
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*
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* File loading code for Mini-XML, a small XML-like file parsing library.
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*
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* Copyright 2003-2009 by Michael Sweet.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Contents:
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*
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* mxmlLoadFd() - Load a file descriptor into an XML node tree.
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* mxmlLoadFile() - Load a file into an XML node tree.
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* mxmlLoadString() - Load a string into an XML node tree.
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* mxmlSaveAllocString() - Save an XML node tree to an allocated string.
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* mxmlSaveFd() - Save an XML tree to a file descriptor.
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* mxmlSaveFile() - Save an XML tree to a file.
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* mxmlSaveString() - Save an XML node tree to a string.
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* mxmlSAXLoadFd() - Load a file descriptor into an XML node tree
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* using a SAX callback.
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* mxmlSAXLoadFile() - Load a file into an XML node tree
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* using a SAX callback.
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* mxmlSAXLoadString() - Load a string into an XML node tree
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* using a SAX callback.
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* mxmlSetCustomHandlers() - Set the handling functions for custom data.
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* mxmlSetErrorCallback() - Set the error message callback.
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* mxmlSetWrapMargin() - Set the the wrap margin when saving XML data.
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* mxml_add_char() - Add a character to a buffer, expanding as needed.
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* mxml_fd_getc() - Read a character from a file descriptor.
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* mxml_fd_putc() - Write a character to a file descriptor.
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* mxml_fd_read() - Read a buffer of data from a file descriptor.
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* mxml_fd_write() - Write a buffer of data to a file descriptor.
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* mxml_file_getc() - Get a character from a file.
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* mxml_file_putc() - Write a character to a file.
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* mxml_get_entity() - Get the character corresponding to an entity...
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* mxml_load_data() - Load data into an XML node tree.
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* mxml_parse_element() - Parse an element for any attributes...
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* mxml_string_getc() - Get a character from a string.
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* mxml_string_putc() - Write a character to a string.
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* mxml_write_name() - Write a name string.
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* mxml_write_node() - Save an XML node to a file.
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* mxml_write_string() - Write a string, escaping & and < as needed.
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* mxml_write_ws() - Do whitespace callback...
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*/
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/*
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* Include necessary headers...
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*/
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#ifndef WIN32
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# include <unistd.h> |
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#endif /* !WIN32 */ |
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#include "mxml-private.h" |
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/*
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* Character encoding...
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*/
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#define ENCODE_UTF8 0 /* UTF-8 */ |
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#define ENCODE_UTF16BE 1 /* UTF-16 Big-Endian */ |
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#define ENCODE_UTF16LE 2 /* UTF-16 Little-Endian */ |
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/*
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* Macro to test for a bad XML character...
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*/
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#define mxml_bad_char(ch) ((ch) < ' ' && (ch) != '\n' && (ch) != '\r' && (ch) != '\t') |
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/*
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* Types and structures...
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*/
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typedef int (*_mxml_getc_cb_t)(void *, int *); |
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typedef int (*_mxml_putc_cb_t)(int, void *); |
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typedef struct _mxml_fdbuf_s /**** File descriptor buffer ****/ |
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{
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int fd; /* File descriptor */ |
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unsigned char *current, /* Current position in buffer */ |
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*end, /* End of buffer */
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buffer[8192]; /* Character buffer */ |
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} _mxml_fdbuf_t; |
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/*
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* Local functions...
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*/
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static int mxml_add_char(int ch, char **ptr, char **buffer, |
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int *bufsize);
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static int mxml_fd_getc(void *p, int *encoding); |
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static int mxml_fd_putc(int ch, void *p); |
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static int mxml_fd_read(_mxml_fdbuf_t *buf); |
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static int mxml_fd_write(_mxml_fdbuf_t *buf); |
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static int mxml_file_getc(void *p, int *encoding); |
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static int mxml_file_putc(int ch, void *p); |
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static int mxml_get_entity(mxml_node_t *parent, void *p, |
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int *encoding,
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_mxml_getc_cb_t getc_cb); |
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static inline int mxml_isspace(int ch) |
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{
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return (ch == ' ' || ch == '\t' || ch == '\r' || |
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ch == '\n');
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} |
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static mxml_node_t *mxml_load_data(mxml_node_t *top, void *p, |
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mxml_load_cb_t cb, |
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_mxml_getc_cb_t getc_cb, |
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mxml_sax_cb_t sax_cb, void *sax_data);
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static int mxml_parse_element(mxml_node_t *node, void *p, |
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int *encoding,
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_mxml_getc_cb_t getc_cb); |
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static int mxml_string_getc(void *p, int *encoding); |
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static int mxml_string_putc(int ch, void *p); |
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static int mxml_write_name(const char *s, void *p, |
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_mxml_putc_cb_t putc_cb); |
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static int mxml_write_node(mxml_node_t *node, void *p, |
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mxml_save_cb_t cb, int col,
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_mxml_putc_cb_t putc_cb, |
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_mxml_global_t *global); |
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static int mxml_write_string(const char *s, void *p, |
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_mxml_putc_cb_t putc_cb); |
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static int mxml_write_ws(mxml_node_t *node, void *p, |
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mxml_save_cb_t cb, int ws,
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int col, _mxml_putc_cb_t putc_cb);
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/*
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* 'mxmlLoadFd()' - Load a file descriptor into an XML node tree.
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*
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* The nodes in the specified file are added to the specified top node.
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* If no top node is provided, the XML file MUST be well-formed with a
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* single parent node like <?xml> for the entire file. The callback
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* function returns the value type that should be used for child nodes.
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* If MXML_NO_CALLBACK is specified then all child nodes will be either
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* MXML_ELEMENT or MXML_TEXT nodes.
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*
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* The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
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* MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
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* child nodes of the specified type.
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*/
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mxml_node_t * /* O - First node or NULL if the file could not be read. */
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mxmlLoadFd(mxml_node_t *top, /* I - Top node */
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int fd, /* I - File descriptor to read from */ |
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mxml_load_cb_t cb) /* I - Callback function or MXML_NO_CALLBACK */
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{
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_mxml_fdbuf_t buf; /* File descriptor buffer */
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/*
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* Initialize the file descriptor buffer...
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*/
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buf.fd = fd; |
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buf.current = buf.buffer; |
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buf.end = buf.buffer; |
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/*
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* Read the XML data...
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*/
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return (mxml_load_data(top, &buf, cb, mxml_fd_getc, MXML_NO_CALLBACK, NULL)); |
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} |
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/*
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* 'mxmlLoadFile()' - Load a file into an XML node tree.
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*
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* The nodes in the specified file are added to the specified top node.
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* If no top node is provided, the XML file MUST be well-formed with a
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* single parent node like <?xml> for the entire file. The callback
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* function returns the value type that should be used for child nodes.
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* If MXML_NO_CALLBACK is specified then all child nodes will be either
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* MXML_ELEMENT or MXML_TEXT nodes.
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*
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* The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
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* MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
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* child nodes of the specified type.
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*/
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mxml_node_t * /* O - First node or NULL if the file could not be read. */
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mxmlLoadFile(mxml_node_t *top, /* I - Top node */
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FILE *fp, /* I - File to read from */
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mxml_load_cb_t cb) /* I - Callback function or MXML_NO_CALLBACK */
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{
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/*
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* Read the XML data...
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*/
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return (mxml_load_data(top, fp, cb, mxml_file_getc, MXML_NO_CALLBACK, NULL)); |
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} |
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/*
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* 'mxmlLoadString()' - Load a string into an XML node tree.
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*
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* The nodes in the specified string are added to the specified top node.
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* If no top node is provided, the XML string MUST be well-formed with a
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* single parent node like <?xml> for the entire string. The callback
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* function returns the value type that should be used for child nodes.
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* If MXML_NO_CALLBACK is specified then all child nodes will be either
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* MXML_ELEMENT or MXML_TEXT nodes.
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*
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* The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
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* MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
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* child nodes of the specified type.
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*/
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mxml_node_t * /* O - First node or NULL if the string has errors. */
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mxmlLoadString(mxml_node_t *top, /* I - Top node */
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const char *s, /* I - String to load */ |
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mxml_load_cb_t cb) /* I - Callback function or MXML_NO_CALLBACK */
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{
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/*
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* Read the XML data...
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*/
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return (mxml_load_data(top, (void *)&s, cb, mxml_string_getc, MXML_NO_CALLBACK, |
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NULL));
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} |
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/*
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* 'mxmlSaveAllocString()' - Save an XML node tree to an allocated string.
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*
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* This function returns a pointer to a string containing the textual
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* representation of the XML node tree. The string should be freed
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* using the free() function when you are done with it. NULL is returned
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* if the node would produce an empty string or if the string cannot be
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* allocated.
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*
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* The callback argument specifies a function that returns a whitespace
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* string or NULL before and after each element. If MXML_NO_CALLBACK
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* is specified, whitespace will only be added before MXML_TEXT nodes
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* with leading whitespace and before attribute names inside opening
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* element tags.
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*/
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char * /* O - Allocated string or NULL */ |
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mxmlSaveAllocString( |
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mxml_node_t *node, /* I - Node to write */
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mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */
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{
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int bytes; /* Required bytes */ |
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char buffer[8192]; /* Temporary buffer */ |
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char *s; /* Allocated string */ |
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/*
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* Write the node to the temporary buffer...
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*/
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bytes = mxmlSaveString(node, buffer, sizeof(buffer), cb);
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if (bytes <= 0) |
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return (NULL); |
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if (bytes < (int)(sizeof(buffer) - 1)) |
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{
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/*
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* Node fit inside the buffer, so just duplicate that string and
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* return...
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*/
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return (strdup(buffer));
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} |
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/*
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* Allocate a buffer of the required size and save the node to the
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* new buffer...
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*/
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if ((s = malloc(bytes + 1)) == NULL) |
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return (NULL); |
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mxmlSaveString(node, s, bytes + 1, cb);
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/*
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* Return the allocated string...
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*/
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return (s);
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} |
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/*
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* 'mxmlSaveFd()' - Save an XML tree to a file descriptor.
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*
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* The callback argument specifies a function that returns a whitespace
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* string or NULL before and after each element. If MXML_NO_CALLBACK
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* is specified, whitespace will only be added before MXML_TEXT nodes
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* with leading whitespace and before attribute names inside opening
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* element tags.
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*/
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int /* O - 0 on success, -1 on error. */ |
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mxmlSaveFd(mxml_node_t *node, /* I - Node to write */
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int fd, /* I - File descriptor to write to */ |
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mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */
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{
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int col; /* Final column */ |
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_mxml_fdbuf_t buf; /* File descriptor buffer */
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_mxml_global_t *global = _mxml_global(); |
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/* Global data */
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/*
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* Initialize the file descriptor buffer...
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*/
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buf.fd = fd; |
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buf.current = buf.buffer; |
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buf.end = buf.buffer + sizeof(buf.buffer);
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/*
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* Write the node...
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*/
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if ((col = mxml_write_node(node, &buf, cb, 0, mxml_fd_putc, global)) < 0) |
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return (-1); |
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if (col > 0) |
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if (mxml_fd_putc('\n', &buf) < 0) |
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return (-1); |
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/*
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* Flush and return...
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*/
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return (mxml_fd_write(&buf));
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} |
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/*
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* 'mxmlSaveFile()' - Save an XML tree to a file.
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*
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* The callback argument specifies a function that returns a whitespace
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* string or NULL before and after each element. If MXML_NO_CALLBACK
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* is specified, whitespace will only be added before MXML_TEXT nodes
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* with leading whitespace and before attribute names inside opening
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* element tags.
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*/
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int /* O - 0 on success, -1 on error. */ |
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mxmlSaveFile(mxml_node_t *node, /* I - Node to write */
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FILE *fp, /* I - File to write to */
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mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */
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{
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int col; /* Final column */ |
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_mxml_global_t *global = _mxml_global(); |
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/* Global data */
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/*
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* Write the node...
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*/
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if ((col = mxml_write_node(node, fp, cb, 0, mxml_file_putc, global)) < 0) |
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return (-1); |
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if (col > 0) |
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if (putc('\n', fp) < 0) |
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return (-1); |
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/*
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* Return 0 (success)...
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*/
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return (0); |
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} |
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/*
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* 'mxmlSaveString()' - Save an XML node tree to a string.
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*
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* This function returns the total number of bytes that would be
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* required for the string but only copies (bufsize - 1) characters
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* into the specified buffer.
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*
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* The callback argument specifies a function that returns a whitespace
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* string or NULL before and after each element. If MXML_NO_CALLBACK
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* is specified, whitespace will only be added before MXML_TEXT nodes
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* with leading whitespace and before attribute names inside opening
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* element tags.
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*/
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int /* O - Size of string */ |
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mxmlSaveString(mxml_node_t *node, /* I - Node to write */
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char *buffer, /* I - String buffer */ |
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int bufsize, /* I - Size of string buffer */ |
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mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */
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{
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int col; /* Final column */ |
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char *ptr[2]; /* Pointers for putc_cb */ |
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_mxml_global_t *global = _mxml_global(); |
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/* Global data */
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/*
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* Write the node...
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*/
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ptr[0] = buffer;
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ptr[1] = buffer + bufsize;
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if ((col = mxml_write_node(node, ptr, cb, 0, mxml_string_putc, global)) < 0) |
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return (-1); |
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if (col > 0) |
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mxml_string_putc('\n', ptr);
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/*
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* Nul-terminate the buffer...
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*/
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if (ptr[0] >= ptr[1]) |
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buffer[bufsize - 1] = '\0'; |
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else
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ptr[0][0] = '\0'; |
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/*
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* Return the number of characters...
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*/
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return (ptr[0] - buffer); |
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} |
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|
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/*
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* 'mxmlSAXLoadFd()' - Load a file descriptor into an XML node tree
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* using a SAX callback.
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*
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* The nodes in the specified file are added to the specified top node.
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* If no top node is provided, the XML file MUST be well-formed with a
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* single parent node like <?xml> for the entire file. The callback
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* function returns the value type that should be used for child nodes.
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* If MXML_NO_CALLBACK is specified then all child nodes will be either
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* MXML_ELEMENT or MXML_TEXT nodes.
|
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*
|
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* The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
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* MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
|
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* child nodes of the specified type.
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*
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* The SAX callback must call mxmlRetain() for any nodes that need to
|
| 456 |
* be kept for later use. Otherwise, nodes are deleted when the parent
|
| 457 |
* node is closed or after each data, comment, CDATA, or directive node.
|
| 458 |
*
|
| 459 |
* @since Mini-XML 2.3@
|
| 460 |
*/
|
| 461 |
|
| 462 |
mxml_node_t * /* O - First node or NULL if the file could not be read. */
|
| 463 |
mxmlSAXLoadFd(mxml_node_t *top, /* I - Top node */
|
| 464 |
int fd, /* I - File descriptor to read from */ |
| 465 |
mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */
|
| 466 |
mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */
|
| 467 |
void *sax_data) /* I - SAX user data */ |
| 468 |
{
|
| 469 |
_mxml_fdbuf_t buf; /* File descriptor buffer */
|
| 470 |
|
| 471 |
|
| 472 |
/*
|
| 473 |
* Initialize the file descriptor buffer...
|
| 474 |
*/
|
| 475 |
|
| 476 |
buf.fd = fd; |
| 477 |
buf.current = buf.buffer; |
| 478 |
buf.end = buf.buffer; |
| 479 |
|
| 480 |
/*
|
| 481 |
* Read the XML data...
|
| 482 |
*/
|
| 483 |
|
| 484 |
return (mxml_load_data(top, &buf, cb, mxml_fd_getc, sax_cb, sax_data));
|
| 485 |
} |
| 486 |
|
| 487 |
|
| 488 |
/*
|
| 489 |
* 'mxmlSAXLoadFile()' - Load a file into an XML node tree
|
| 490 |
* using a SAX callback.
|
| 491 |
*
|
| 492 |
* The nodes in the specified file are added to the specified top node.
|
| 493 |
* If no top node is provided, the XML file MUST be well-formed with a
|
| 494 |
* single parent node like <?xml> for the entire file. The callback
|
| 495 |
* function returns the value type that should be used for child nodes.
|
| 496 |
* If MXML_NO_CALLBACK is specified then all child nodes will be either
|
| 497 |
* MXML_ELEMENT or MXML_TEXT nodes.
|
| 498 |
*
|
| 499 |
* The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
|
| 500 |
* MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
|
| 501 |
* child nodes of the specified type.
|
| 502 |
*
|
| 503 |
* The SAX callback must call mxmlRetain() for any nodes that need to
|
| 504 |
* be kept for later use. Otherwise, nodes are deleted when the parent
|
| 505 |
* node is closed or after each data, comment, CDATA, or directive node.
|
| 506 |
*
|
| 507 |
* @since Mini-XML 2.3@
|
| 508 |
*/
|
| 509 |
|
| 510 |
mxml_node_t * /* O - First node or NULL if the file could not be read. */
|
| 511 |
mxmlSAXLoadFile( |
| 512 |
mxml_node_t *top, /* I - Top node */
|
| 513 |
FILE *fp, /* I - File to read from */
|
| 514 |
mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */
|
| 515 |
mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */
|
| 516 |
void *sax_data) /* I - SAX user data */ |
| 517 |
{
|
| 518 |
/*
|
| 519 |
* Read the XML data...
|
| 520 |
*/
|
| 521 |
|
| 522 |
return (mxml_load_data(top, fp, cb, mxml_file_getc, sax_cb, sax_data));
|
| 523 |
} |
| 524 |
|
| 525 |
|
| 526 |
/*
|
| 527 |
* 'mxmlSAXLoadString()' - Load a string into an XML node tree
|
| 528 |
* using a SAX callback.
|
| 529 |
*
|
| 530 |
* The nodes in the specified string are added to the specified top node.
|
| 531 |
* If no top node is provided, the XML string MUST be well-formed with a
|
| 532 |
* single parent node like <?xml> for the entire string. The callback
|
| 533 |
* function returns the value type that should be used for child nodes.
|
| 534 |
* If MXML_NO_CALLBACK is specified then all child nodes will be either
|
| 535 |
* MXML_ELEMENT or MXML_TEXT nodes.
|
| 536 |
*
|
| 537 |
* The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
|
| 538 |
* MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
|
| 539 |
* child nodes of the specified type.
|
| 540 |
*
|
| 541 |
* The SAX callback must call mxmlRetain() for any nodes that need to
|
| 542 |
* be kept for later use. Otherwise, nodes are deleted when the parent
|
| 543 |
* node is closed or after each data, comment, CDATA, or directive node.
|
| 544 |
*
|
| 545 |
* @since Mini-XML 2.3@
|
| 546 |
*/
|
| 547 |
|
| 548 |
mxml_node_t * /* O - First node or NULL if the string has errors. */
|
| 549 |
mxmlSAXLoadString( |
| 550 |
mxml_node_t *top, /* I - Top node */
|
| 551 |
const char *s, /* I - String to load */ |
| 552 |
mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */
|
| 553 |
mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */
|
| 554 |
void *sax_data) /* I - SAX user data */ |
| 555 |
{
|
| 556 |
/*
|
| 557 |
* Read the XML data...
|
| 558 |
*/
|
| 559 |
|
| 560 |
return (mxml_load_data(top, (void *)&s, cb, mxml_string_getc, sax_cb, sax_data)); |
| 561 |
} |
| 562 |
|
| 563 |
|
| 564 |
/*
|
| 565 |
* 'mxmlSetCustomHandlers()' - Set the handling functions for custom data.
|
| 566 |
*
|
| 567 |
* The load function accepts a node pointer and a data string and must
|
| 568 |
* return 0 on success and non-zero on error.
|
| 569 |
*
|
| 570 |
* The save function accepts a node pointer and must return a malloc'd
|
| 571 |
* string on success and NULL on error.
|
| 572 |
*
|
| 573 |
*/
|
| 574 |
|
| 575 |
void
|
| 576 |
mxmlSetCustomHandlers( |
| 577 |
mxml_custom_load_cb_t load, /* I - Load function */
|
| 578 |
mxml_custom_save_cb_t save) /* I - Save function */
|
| 579 |
{
|
| 580 |
_mxml_global_t *global = _mxml_global(); |
| 581 |
/* Global data */
|
| 582 |
|
| 583 |
|
| 584 |
global->custom_load_cb = load; |
| 585 |
global->custom_save_cb = save; |
| 586 |
} |
| 587 |
|
| 588 |
|
| 589 |
/*
|
| 590 |
* 'mxmlSetErrorCallback()' - Set the error message callback.
|
| 591 |
*/
|
| 592 |
|
| 593 |
void
|
| 594 |
mxmlSetErrorCallback(mxml_error_cb_t cb)/* I - Error callback function */
|
| 595 |
{
|
| 596 |
_mxml_global_t *global = _mxml_global(); |
| 597 |
/* Global data */
|
| 598 |
|
| 599 |
|
| 600 |
global->error_cb = cb; |
| 601 |
} |
| 602 |
|
| 603 |
|
| 604 |
/*
|
| 605 |
* 'mxmlSetWrapMargin()' - Set the the wrap margin when saving XML data.
|
| 606 |
*
|
| 607 |
* Wrapping is disabled when "column" is 0.
|
| 608 |
*
|
| 609 |
* @since Mini-XML 2.3@
|
| 610 |
*/
|
| 611 |
|
| 612 |
void
|
| 613 |
mxmlSetWrapMargin(int column) /* I - Column for wrapping, 0 to disable wrapping */ |
| 614 |
{
|
| 615 |
_mxml_global_t *global = _mxml_global(); |
| 616 |
/* Global data */
|
| 617 |
|
| 618 |
|
| 619 |
global->wrap = column; |
| 620 |
} |
| 621 |
|
| 622 |
|
| 623 |
/*
|
| 624 |
* 'mxml_add_char()' - Add a character to a buffer, expanding as needed.
|
| 625 |
*/
|
| 626 |
|
| 627 |
static int /* O - 0 on success, -1 on error */ |
| 628 |
mxml_add_char(int ch, /* I - Character to add */ |
| 629 |
char **bufptr, /* IO - Current position in buffer */ |
| 630 |
char **buffer, /* IO - Current buffer */ |
| 631 |
int *bufsize) /* IO - Current buffer size */ |
| 632 |
{
|
| 633 |
char *newbuffer; /* New buffer value */ |
| 634 |
|
| 635 |
|
| 636 |
if (*bufptr >= (*buffer + *bufsize - 4)) |
| 637 |
{
|
| 638 |
/*
|
| 639 |
* Increase the size of the buffer...
|
| 640 |
*/
|
| 641 |
|
| 642 |
if (*bufsize < 1024) |
| 643 |
(*bufsize) *= 2;
|
| 644 |
else
|
| 645 |
(*bufsize) += 1024;
|
| 646 |
|
| 647 |
if ((newbuffer = realloc(*buffer, *bufsize)) == NULL) |
| 648 |
{
|
| 649 |
free(*buffer); |
| 650 |
|
| 651 |
mxml_error("Unable to expand string buffer to %d bytes!", *bufsize);
|
| 652 |
|
| 653 |
return (-1); |
| 654 |
} |
| 655 |
|
| 656 |
*bufptr = newbuffer + (*bufptr - *buffer); |
| 657 |
*buffer = newbuffer; |
| 658 |
} |
| 659 |
|
| 660 |
if (ch < 0x80) |
| 661 |
{
|
| 662 |
/*
|
| 663 |
* Single byte ASCII...
|
| 664 |
*/
|
| 665 |
|
| 666 |
*(*bufptr)++ = ch; |
| 667 |
} |
| 668 |
else if (ch < 0x800) |
| 669 |
{
|
| 670 |
/*
|
| 671 |
* Two-byte UTF-8...
|
| 672 |
*/
|
| 673 |
|
| 674 |
*(*bufptr)++ = 0xc0 | (ch >> 6); |
| 675 |
*(*bufptr)++ = 0x80 | (ch & 0x3f); |
| 676 |
} |
| 677 |
else if (ch < 0x10000) |
| 678 |
{
|
| 679 |
/*
|
| 680 |
* Three-byte UTF-8...
|
| 681 |
*/
|
| 682 |
|
| 683 |
*(*bufptr)++ = 0xe0 | (ch >> 12); |
| 684 |
*(*bufptr)++ = 0x80 | ((ch >> 6) & 0x3f); |
| 685 |
*(*bufptr)++ = 0x80 | (ch & 0x3f); |
| 686 |
} |
| 687 |
else
|
| 688 |
{
|
| 689 |
/*
|
| 690 |
* Four-byte UTF-8...
|
| 691 |
*/
|
| 692 |
|
| 693 |
*(*bufptr)++ = 0xf0 | (ch >> 18); |
| 694 |
*(*bufptr)++ = 0x80 | ((ch >> 12) & 0x3f); |
| 695 |
*(*bufptr)++ = 0x80 | ((ch >> 6) & 0x3f); |
| 696 |
*(*bufptr)++ = 0x80 | (ch & 0x3f); |
| 697 |
} |
| 698 |
|
| 699 |
return (0); |
| 700 |
} |
| 701 |
|
| 702 |
|
| 703 |
/*
|
| 704 |
* 'mxml_fd_getc()' - Read a character from a file descriptor.
|
| 705 |
*/
|
| 706 |
|
| 707 |
static int /* O - Character or EOF */ |
| 708 |
mxml_fd_getc(void *p, /* I - File descriptor buffer */ |
| 709 |
int *encoding) /* IO - Encoding */ |
| 710 |
{
|
| 711 |
_mxml_fdbuf_t *buf; /* File descriptor buffer */
|
| 712 |
int ch, /* Current character */ |
| 713 |
temp; /* Temporary character */
|
| 714 |
|
| 715 |
|
| 716 |
/*
|
| 717 |
* Grab the next character in the buffer...
|
| 718 |
*/
|
| 719 |
|
| 720 |
buf = (_mxml_fdbuf_t *)p; |
| 721 |
|
| 722 |
if (buf->current >= buf->end)
|
| 723 |
if (mxml_fd_read(buf) < 0) |
| 724 |
return (EOF); |
| 725 |
|
| 726 |
ch = *(buf->current)++; |
| 727 |
|
| 728 |
switch (*encoding)
|
| 729 |
{
|
| 730 |
case ENCODE_UTF8 :
|
| 731 |
/*
|
| 732 |
* Got a UTF-8 character; convert UTF-8 to Unicode and return...
|
| 733 |
*/
|
| 734 |
|
| 735 |
if (!(ch & 0x80)) |
| 736 |
{
|
| 737 |
#if DEBUG > 1 |
| 738 |
printf("mxml_fd_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 739 |
#endif /* DEBUG > 1 */ |
| 740 |
|
| 741 |
if (mxml_bad_char(ch))
|
| 742 |
{
|
| 743 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 744 |
ch); |
| 745 |
return (EOF); |
| 746 |
} |
| 747 |
|
| 748 |
return (ch);
|
| 749 |
} |
| 750 |
else if (ch == 0xfe) |
| 751 |
{
|
| 752 |
/*
|
| 753 |
* UTF-16 big-endian BOM?
|
| 754 |
*/
|
| 755 |
|
| 756 |
if (buf->current >= buf->end)
|
| 757 |
if (mxml_fd_read(buf) < 0) |
| 758 |
return (EOF); |
| 759 |
|
| 760 |
ch = *(buf->current)++; |
| 761 |
|
| 762 |
if (ch != 0xff) |
| 763 |
return (EOF); |
| 764 |
|
| 765 |
*encoding = ENCODE_UTF16BE; |
| 766 |
|
| 767 |
return (mxml_fd_getc(p, encoding));
|
| 768 |
} |
| 769 |
else if (ch == 0xff) |
| 770 |
{
|
| 771 |
/*
|
| 772 |
* UTF-16 little-endian BOM?
|
| 773 |
*/
|
| 774 |
|
| 775 |
if (buf->current >= buf->end)
|
| 776 |
if (mxml_fd_read(buf) < 0) |
| 777 |
return (EOF); |
| 778 |
|
| 779 |
ch = *(buf->current)++; |
| 780 |
|
| 781 |
if (ch != 0xfe) |
| 782 |
return (EOF); |
| 783 |
|
| 784 |
*encoding = ENCODE_UTF16LE; |
| 785 |
|
| 786 |
return (mxml_fd_getc(p, encoding));
|
| 787 |
} |
| 788 |
else if ((ch & 0xe0) == 0xc0) |
| 789 |
{
|
| 790 |
/*
|
| 791 |
* Two-byte value...
|
| 792 |
*/
|
| 793 |
|
| 794 |
if (buf->current >= buf->end)
|
| 795 |
if (mxml_fd_read(buf) < 0) |
| 796 |
return (EOF); |
| 797 |
|
| 798 |
temp = *(buf->current)++; |
| 799 |
|
| 800 |
if ((temp & 0xc0) != 0x80) |
| 801 |
return (EOF); |
| 802 |
|
| 803 |
ch = ((ch & 0x1f) << 6) | (temp & 0x3f); |
| 804 |
|
| 805 |
if (ch < 0x80) |
| 806 |
{
|
| 807 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 808 |
return (EOF); |
| 809 |
} |
| 810 |
} |
| 811 |
else if ((ch & 0xf0) == 0xe0) |
| 812 |
{
|
| 813 |
/*
|
| 814 |
* Three-byte value...
|
| 815 |
*/
|
| 816 |
|
| 817 |
if (buf->current >= buf->end)
|
| 818 |
if (mxml_fd_read(buf) < 0) |
| 819 |
return (EOF); |
| 820 |
|
| 821 |
temp = *(buf->current)++; |
| 822 |
|
| 823 |
if ((temp & 0xc0) != 0x80) |
| 824 |
return (EOF); |
| 825 |
|
| 826 |
ch = ((ch & 0x0f) << 6) | (temp & 0x3f); |
| 827 |
|
| 828 |
if (buf->current >= buf->end)
|
| 829 |
if (mxml_fd_read(buf) < 0) |
| 830 |
return (EOF); |
| 831 |
|
| 832 |
temp = *(buf->current)++; |
| 833 |
|
| 834 |
if ((temp & 0xc0) != 0x80) |
| 835 |
return (EOF); |
| 836 |
|
| 837 |
ch = (ch << 6) | (temp & 0x3f); |
| 838 |
|
| 839 |
if (ch < 0x800) |
| 840 |
{
|
| 841 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 842 |
return (EOF); |
| 843 |
} |
| 844 |
|
| 845 |
/*
|
| 846 |
* Ignore (strip) Byte Order Mark (BOM)...
|
| 847 |
*/
|
| 848 |
|
| 849 |
if (ch == 0xfeff) |
| 850 |
return (mxml_fd_getc(p, encoding));
|
| 851 |
} |
| 852 |
else if ((ch & 0xf8) == 0xf0) |
| 853 |
{
|
| 854 |
/*
|
| 855 |
* Four-byte value...
|
| 856 |
*/
|
| 857 |
|
| 858 |
if (buf->current >= buf->end)
|
| 859 |
if (mxml_fd_read(buf) < 0) |
| 860 |
return (EOF); |
| 861 |
|
| 862 |
temp = *(buf->current)++; |
| 863 |
|
| 864 |
if ((temp & 0xc0) != 0x80) |
| 865 |
return (EOF); |
| 866 |
|
| 867 |
ch = ((ch & 0x07) << 6) | (temp & 0x3f); |
| 868 |
|
| 869 |
if (buf->current >= buf->end)
|
| 870 |
if (mxml_fd_read(buf) < 0) |
| 871 |
return (EOF); |
| 872 |
|
| 873 |
temp = *(buf->current)++; |
| 874 |
|
| 875 |
if ((temp & 0xc0) != 0x80) |
| 876 |
return (EOF); |
| 877 |
|
| 878 |
ch = (ch << 6) | (temp & 0x3f); |
| 879 |
|
| 880 |
if (buf->current >= buf->end)
|
| 881 |
if (mxml_fd_read(buf) < 0) |
| 882 |
return (EOF); |
| 883 |
|
| 884 |
temp = *(buf->current)++; |
| 885 |
|
| 886 |
if ((temp & 0xc0) != 0x80) |
| 887 |
return (EOF); |
| 888 |
|
| 889 |
ch = (ch << 6) | (temp & 0x3f); |
| 890 |
|
| 891 |
if (ch < 0x10000) |
| 892 |
{
|
| 893 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 894 |
return (EOF); |
| 895 |
} |
| 896 |
} |
| 897 |
else
|
| 898 |
return (EOF); |
| 899 |
break;
|
| 900 |
|
| 901 |
case ENCODE_UTF16BE :
|
| 902 |
/*
|
| 903 |
* Read UTF-16 big-endian char...
|
| 904 |
*/
|
| 905 |
|
| 906 |
if (buf->current >= buf->end)
|
| 907 |
if (mxml_fd_read(buf) < 0) |
| 908 |
return (EOF); |
| 909 |
|
| 910 |
temp = *(buf->current)++; |
| 911 |
|
| 912 |
ch = (ch << 8) | temp;
|
| 913 |
|
| 914 |
if (mxml_bad_char(ch))
|
| 915 |
{
|
| 916 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 917 |
ch); |
| 918 |
return (EOF); |
| 919 |
} |
| 920 |
else if (ch >= 0xd800 && ch <= 0xdbff) |
| 921 |
{
|
| 922 |
/*
|
| 923 |
* Multi-word UTF-16 char...
|
| 924 |
*/
|
| 925 |
|
| 926 |
int lch;
|
| 927 |
|
| 928 |
if (buf->current >= buf->end)
|
| 929 |
if (mxml_fd_read(buf) < 0) |
| 930 |
return (EOF); |
| 931 |
|
| 932 |
lch = *(buf->current)++; |
| 933 |
|
| 934 |
if (buf->current >= buf->end)
|
| 935 |
if (mxml_fd_read(buf) < 0) |
| 936 |
return (EOF); |
| 937 |
|
| 938 |
temp = *(buf->current)++; |
| 939 |
|
| 940 |
lch = (lch << 8) | temp;
|
| 941 |
|
| 942 |
if (lch < 0xdc00 || lch >= 0xdfff) |
| 943 |
return (EOF); |
| 944 |
|
| 945 |
ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 946 |
} |
| 947 |
break;
|
| 948 |
|
| 949 |
case ENCODE_UTF16LE :
|
| 950 |
/*
|
| 951 |
* Read UTF-16 little-endian char...
|
| 952 |
*/
|
| 953 |
|
| 954 |
if (buf->current >= buf->end)
|
| 955 |
if (mxml_fd_read(buf) < 0) |
| 956 |
return (EOF); |
| 957 |
|
| 958 |
temp = *(buf->current)++; |
| 959 |
|
| 960 |
ch |= (temp << 8);
|
| 961 |
|
| 962 |
if (mxml_bad_char(ch))
|
| 963 |
{
|
| 964 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 965 |
ch); |
| 966 |
return (EOF); |
| 967 |
} |
| 968 |
else if (ch >= 0xd800 && ch <= 0xdbff) |
| 969 |
{
|
| 970 |
/*
|
| 971 |
* Multi-word UTF-16 char...
|
| 972 |
*/
|
| 973 |
|
| 974 |
int lch;
|
| 975 |
|
| 976 |
if (buf->current >= buf->end)
|
| 977 |
if (mxml_fd_read(buf) < 0) |
| 978 |
return (EOF); |
| 979 |
|
| 980 |
lch = *(buf->current)++; |
| 981 |
|
| 982 |
if (buf->current >= buf->end)
|
| 983 |
if (mxml_fd_read(buf) < 0) |
| 984 |
return (EOF); |
| 985 |
|
| 986 |
temp = *(buf->current)++; |
| 987 |
|
| 988 |
lch |= (temp << 8);
|
| 989 |
|
| 990 |
if (lch < 0xdc00 || lch >= 0xdfff) |
| 991 |
return (EOF); |
| 992 |
|
| 993 |
ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 994 |
} |
| 995 |
break;
|
| 996 |
} |
| 997 |
|
| 998 |
#if DEBUG > 1 |
| 999 |
printf("mxml_fd_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 1000 |
#endif /* DEBUG > 1 */ |
| 1001 |
|
| 1002 |
return (ch);
|
| 1003 |
} |
| 1004 |
|
| 1005 |
|
| 1006 |
/*
|
| 1007 |
* 'mxml_fd_putc()' - Write a character to a file descriptor.
|
| 1008 |
*/
|
| 1009 |
|
| 1010 |
static int /* O - 0 on success, -1 on error */ |
| 1011 |
mxml_fd_putc(int ch, /* I - Character */ |
| 1012 |
void *p) /* I - File descriptor buffer */ |
| 1013 |
{
|
| 1014 |
_mxml_fdbuf_t *buf; /* File descriptor buffer */
|
| 1015 |
|
| 1016 |
|
| 1017 |
/*
|
| 1018 |
* Flush the write buffer as needed...
|
| 1019 |
*/
|
| 1020 |
|
| 1021 |
buf = (_mxml_fdbuf_t *)p; |
| 1022 |
|
| 1023 |
if (buf->current >= buf->end)
|
| 1024 |
if (mxml_fd_write(buf) < 0) |
| 1025 |
return (-1); |
| 1026 |
|
| 1027 |
*(buf->current)++ = ch; |
| 1028 |
|
| 1029 |
/*
|
| 1030 |
* Return successfully...
|
| 1031 |
*/
|
| 1032 |
|
| 1033 |
return (0); |
| 1034 |
} |
| 1035 |
|
| 1036 |
|
| 1037 |
/*
|
| 1038 |
* 'mxml_fd_read()' - Read a buffer of data from a file descriptor.
|
| 1039 |
*/
|
| 1040 |
|
| 1041 |
static int /* O - 0 on success, -1 on error */ |
| 1042 |
mxml_fd_read(_mxml_fdbuf_t *buf) /* I - File descriptor buffer */
|
| 1043 |
{
|
| 1044 |
int bytes; /* Bytes read... */ |
| 1045 |
|
| 1046 |
|
| 1047 |
/*
|
| 1048 |
* Range check input...
|
| 1049 |
*/
|
| 1050 |
|
| 1051 |
if (!buf)
|
| 1052 |
return (-1); |
| 1053 |
|
| 1054 |
/*
|
| 1055 |
* Read from the file descriptor...
|
| 1056 |
*/
|
| 1057 |
|
| 1058 |
while ((bytes = read(buf->fd, buf->buffer, sizeof(buf->buffer))) < 0) |
| 1059 |
#ifdef EINTR
|
| 1060 |
if (errno != EAGAIN && errno != EINTR)
|
| 1061 |
#else
|
| 1062 |
if (errno != EAGAIN)
|
| 1063 |
#endif /* EINTR */ |
| 1064 |
return (-1); |
| 1065 |
|
| 1066 |
if (bytes == 0) |
| 1067 |
return (-1); |
| 1068 |
|
| 1069 |
/*
|
| 1070 |
* Update the pointers and return success...
|
| 1071 |
*/
|
| 1072 |
|
| 1073 |
buf->current = buf->buffer; |
| 1074 |
buf->end = buf->buffer + bytes; |
| 1075 |
|
| 1076 |
return (0); |
| 1077 |
} |
| 1078 |
|
| 1079 |
|
| 1080 |
/*
|
| 1081 |
* 'mxml_fd_write()' - Write a buffer of data to a file descriptor.
|
| 1082 |
*/
|
| 1083 |
|
| 1084 |
static int /* O - 0 on success, -1 on error */ |
| 1085 |
mxml_fd_write(_mxml_fdbuf_t *buf) /* I - File descriptor buffer */
|
| 1086 |
{
|
| 1087 |
int bytes; /* Bytes written */ |
| 1088 |
unsigned char *ptr; /* Pointer into buffer */ |
| 1089 |
|
| 1090 |
|
| 1091 |
/*
|
| 1092 |
* Range check...
|
| 1093 |
*/
|
| 1094 |
|
| 1095 |
if (!buf)
|
| 1096 |
return (-1); |
| 1097 |
|
| 1098 |
/*
|
| 1099 |
* Return 0 if there is nothing to write...
|
| 1100 |
*/
|
| 1101 |
|
| 1102 |
if (buf->current == buf->buffer)
|
| 1103 |
return (0); |
| 1104 |
|
| 1105 |
/*
|
| 1106 |
* Loop until we have written everything...
|
| 1107 |
*/
|
| 1108 |
|
| 1109 |
for (ptr = buf->buffer; ptr < buf->current; ptr += bytes)
|
| 1110 |
if ((bytes = write(buf->fd, ptr, buf->current - ptr)) < 0) |
| 1111 |
return (-1); |
| 1112 |
|
| 1113 |
/*
|
| 1114 |
* All done, reset pointers and return success...
|
| 1115 |
*/
|
| 1116 |
|
| 1117 |
buf->current = buf->buffer; |
| 1118 |
|
| 1119 |
return (0); |
| 1120 |
} |
| 1121 |
|
| 1122 |
|
| 1123 |
/*
|
| 1124 |
* 'mxml_file_getc()' - Get a character from a file.
|
| 1125 |
*/
|
| 1126 |
|
| 1127 |
static int /* O - Character or EOF */ |
| 1128 |
mxml_file_getc(void *p, /* I - Pointer to file */ |
| 1129 |
int *encoding) /* IO - Encoding */ |
| 1130 |
{
|
| 1131 |
int ch, /* Character from file */ |
| 1132 |
temp; /* Temporary character */
|
| 1133 |
FILE *fp; /* Pointer to file */
|
| 1134 |
|
| 1135 |
|
| 1136 |
/*
|
| 1137 |
* Read a character from the file and see if it is EOF or ASCII...
|
| 1138 |
*/
|
| 1139 |
|
| 1140 |
fp = (FILE *)p; |
| 1141 |
ch = getc(fp); |
| 1142 |
|
| 1143 |
if (ch == EOF) |
| 1144 |
return (EOF); |
| 1145 |
|
| 1146 |
switch (*encoding)
|
| 1147 |
{
|
| 1148 |
case ENCODE_UTF8 :
|
| 1149 |
/*
|
| 1150 |
* Got a UTF-8 character; convert UTF-8 to Unicode and return...
|
| 1151 |
*/
|
| 1152 |
|
| 1153 |
if (!(ch & 0x80)) |
| 1154 |
{
|
| 1155 |
if (mxml_bad_char(ch))
|
| 1156 |
{
|
| 1157 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 1158 |
ch); |
| 1159 |
return (EOF); |
| 1160 |
} |
| 1161 |
|
| 1162 |
#if DEBUG > 1 |
| 1163 |
printf("mxml_file_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 1164 |
#endif /* DEBUG > 1 */ |
| 1165 |
|
| 1166 |
return (ch);
|
| 1167 |
} |
| 1168 |
else if (ch == 0xfe) |
| 1169 |
{
|
| 1170 |
/*
|
| 1171 |
* UTF-16 big-endian BOM?
|
| 1172 |
*/
|
| 1173 |
|
| 1174 |
ch = getc(fp); |
| 1175 |
if (ch != 0xff) |
| 1176 |
return (EOF); |
| 1177 |
|
| 1178 |
*encoding = ENCODE_UTF16BE; |
| 1179 |
|
| 1180 |
return (mxml_file_getc(p, encoding));
|
| 1181 |
} |
| 1182 |
else if (ch == 0xff) |
| 1183 |
{
|
| 1184 |
/*
|
| 1185 |
* UTF-16 little-endian BOM?
|
| 1186 |
*/
|
| 1187 |
|
| 1188 |
ch = getc(fp); |
| 1189 |
if (ch != 0xfe) |
| 1190 |
return (EOF); |
| 1191 |
|
| 1192 |
*encoding = ENCODE_UTF16LE; |
| 1193 |
|
| 1194 |
return (mxml_file_getc(p, encoding));
|
| 1195 |
} |
| 1196 |
else if ((ch & 0xe0) == 0xc0) |
| 1197 |
{
|
| 1198 |
/*
|
| 1199 |
* Two-byte value...
|
| 1200 |
*/
|
| 1201 |
|
| 1202 |
if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1203 |
return (EOF); |
| 1204 |
|
| 1205 |
ch = ((ch & 0x1f) << 6) | (temp & 0x3f); |
| 1206 |
|
| 1207 |
if (ch < 0x80) |
| 1208 |
{
|
| 1209 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 1210 |
return (EOF); |
| 1211 |
} |
| 1212 |
} |
| 1213 |
else if ((ch & 0xf0) == 0xe0) |
| 1214 |
{
|
| 1215 |
/*
|
| 1216 |
* Three-byte value...
|
| 1217 |
*/
|
| 1218 |
|
| 1219 |
if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1220 |
return (EOF); |
| 1221 |
|
| 1222 |
ch = ((ch & 0x0f) << 6) | (temp & 0x3f); |
| 1223 |
|
| 1224 |
if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1225 |
return (EOF); |
| 1226 |
|
| 1227 |
ch = (ch << 6) | (temp & 0x3f); |
| 1228 |
|
| 1229 |
if (ch < 0x800) |
| 1230 |
{
|
| 1231 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 1232 |
return (EOF); |
| 1233 |
} |
| 1234 |
|
| 1235 |
/*
|
| 1236 |
* Ignore (strip) Byte Order Mark (BOM)...
|
| 1237 |
*/
|
| 1238 |
|
| 1239 |
if (ch == 0xfeff) |
| 1240 |
return (mxml_file_getc(p, encoding));
|
| 1241 |
} |
| 1242 |
else if ((ch & 0xf8) == 0xf0) |
| 1243 |
{
|
| 1244 |
/*
|
| 1245 |
* Four-byte value...
|
| 1246 |
*/
|
| 1247 |
|
| 1248 |
if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1249 |
return (EOF); |
| 1250 |
|
| 1251 |
ch = ((ch & 0x07) << 6) | (temp & 0x3f); |
| 1252 |
|
| 1253 |
if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1254 |
return (EOF); |
| 1255 |
|
| 1256 |
ch = (ch << 6) | (temp & 0x3f); |
| 1257 |
|
| 1258 |
if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1259 |
return (EOF); |
| 1260 |
|
| 1261 |
ch = (ch << 6) | (temp & 0x3f); |
| 1262 |
|
| 1263 |
if (ch < 0x10000) |
| 1264 |
{
|
| 1265 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 1266 |
return (EOF); |
| 1267 |
} |
| 1268 |
} |
| 1269 |
else
|
| 1270 |
return (EOF); |
| 1271 |
break;
|
| 1272 |
|
| 1273 |
case ENCODE_UTF16BE :
|
| 1274 |
/*
|
| 1275 |
* Read UTF-16 big-endian char...
|
| 1276 |
*/
|
| 1277 |
|
| 1278 |
ch = (ch << 8) | getc(fp);
|
| 1279 |
|
| 1280 |
if (mxml_bad_char(ch))
|
| 1281 |
{
|
| 1282 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 1283 |
ch); |
| 1284 |
return (EOF); |
| 1285 |
} |
| 1286 |
else if (ch >= 0xd800 && ch <= 0xdbff) |
| 1287 |
{
|
| 1288 |
/*
|
| 1289 |
* Multi-word UTF-16 char...
|
| 1290 |
*/
|
| 1291 |
|
| 1292 |
int lch = (getc(fp) << 8) | getc(fp); |
| 1293 |
|
| 1294 |
if (lch < 0xdc00 || lch >= 0xdfff) |
| 1295 |
return (EOF); |
| 1296 |
|
| 1297 |
ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 1298 |
} |
| 1299 |
break;
|
| 1300 |
|
| 1301 |
case ENCODE_UTF16LE :
|
| 1302 |
/*
|
| 1303 |
* Read UTF-16 little-endian char...
|
| 1304 |
*/
|
| 1305 |
|
| 1306 |
ch |= (getc(fp) << 8);
|
| 1307 |
|
| 1308 |
if (mxml_bad_char(ch))
|
| 1309 |
{
|
| 1310 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 1311 |
ch); |
| 1312 |
return (EOF); |
| 1313 |
} |
| 1314 |
else if (ch >= 0xd800 && ch <= 0xdbff) |
| 1315 |
{
|
| 1316 |
/*
|
| 1317 |
* Multi-word UTF-16 char...
|
| 1318 |
*/
|
| 1319 |
|
| 1320 |
int lch = getc(fp) | (getc(fp) << 8); |
| 1321 |
|
| 1322 |
if (lch < 0xdc00 || lch >= 0xdfff) |
| 1323 |
return (EOF); |
| 1324 |
|
| 1325 |
ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 1326 |
} |
| 1327 |
break;
|
| 1328 |
} |
| 1329 |
|
| 1330 |
#if DEBUG > 1 |
| 1331 |
printf("mxml_file_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 1332 |
#endif /* DEBUG > 1 */ |
| 1333 |
|
| 1334 |
return (ch);
|
| 1335 |
} |
| 1336 |
|
| 1337 |
|
| 1338 |
/*
|
| 1339 |
* 'mxml_file_putc()' - Write a character to a file.
|
| 1340 |
*/
|
| 1341 |
|
| 1342 |
static int /* O - 0 on success, -1 on failure */ |
| 1343 |
mxml_file_putc(int ch, /* I - Character to write */ |
| 1344 |
void *p) /* I - Pointer to file */ |
| 1345 |
{
|
| 1346 |
return (putc(ch, (FILE *)p) == EOF ? -1 : 0); |
| 1347 |
} |
| 1348 |
|
| 1349 |
|
| 1350 |
/*
|
| 1351 |
* 'mxml_get_entity()' - Get the character corresponding to an entity...
|
| 1352 |
*/
|
| 1353 |
|
| 1354 |
static int /* O - Character value or EOF on error */ |
| 1355 |
mxml_get_entity(mxml_node_t *parent, /* I - Parent node */
|
| 1356 |
void *p, /* I - Pointer to source */ |
| 1357 |
int *encoding, /* IO - Character encoding */ |
| 1358 |
int (*getc_cb)(void *, int *)) |
| 1359 |
/* I - Get character function */
|
| 1360 |
{
|
| 1361 |
int ch; /* Current character */ |
| 1362 |
char entity[64], /* Entity string */ |
| 1363 |
*entptr; /* Pointer into entity */
|
| 1364 |
|
| 1365 |
|
| 1366 |
entptr = entity; |
| 1367 |
|
| 1368 |
while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 1369 |
if (ch > 126 || (!isalnum(ch) && ch != '#')) |
| 1370 |
break;
|
| 1371 |
else if (entptr < (entity + sizeof(entity) - 1)) |
| 1372 |
*entptr++ = ch; |
| 1373 |
else
|
| 1374 |
{
|
| 1375 |
mxml_error("Entity name too long under parent <%s>!",
|
| 1376 |
parent ? parent->value.element.name : "null");
|
| 1377 |
break;
|
| 1378 |
} |
| 1379 |
|
| 1380 |
*entptr = '\0';
|
| 1381 |
|
| 1382 |
if (ch != ';') |
| 1383 |
{
|
| 1384 |
mxml_error("Character entity \"%s\" not terminated under parent <%s>!",
|
| 1385 |
entity, parent ? parent->value.element.name : "null");
|
| 1386 |
return (EOF); |
| 1387 |
} |
| 1388 |
|
| 1389 |
if (entity[0] == '#') |
| 1390 |
{
|
| 1391 |
if (entity[1] == 'x') |
| 1392 |
ch = strtol(entity + 2, NULL, 16); |
| 1393 |
else
|
| 1394 |
ch = strtol(entity + 1, NULL, 10); |
| 1395 |
} |
| 1396 |
else if ((ch = mxmlEntityGetValue(entity)) < 0) |
| 1397 |
mxml_error("Entity name \"%s;\" not supported under parent <%s>!",
|
| 1398 |
entity, parent ? parent->value.element.name : "null");
|
| 1399 |
|
| 1400 |
if (mxml_bad_char(ch))
|
| 1401 |
{
|
| 1402 |
mxml_error("Bad control character 0x%02x under parent <%s> not allowed by XML standard!",
|
| 1403 |
ch, parent ? parent->value.element.name : "null");
|
| 1404 |
return (EOF); |
| 1405 |
} |
| 1406 |
|
| 1407 |
return (ch);
|
| 1408 |
} |
| 1409 |
|
| 1410 |
|
| 1411 |
/*
|
| 1412 |
* 'mxml_load_data()' - Load data into an XML node tree.
|
| 1413 |
*/
|
| 1414 |
|
| 1415 |
static mxml_node_t * /* O - First node or NULL if the file could not be read. */ |
| 1416 |
mxml_load_data( |
| 1417 |
mxml_node_t *top, /* I - Top node */
|
| 1418 |
void *p, /* I - Pointer to data */ |
| 1419 |
mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */
|
| 1420 |
_mxml_getc_cb_t getc_cb, /* I - Read function */
|
| 1421 |
mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */
|
| 1422 |
void *sax_data) /* I - SAX user data */ |
| 1423 |
{
|
| 1424 |
mxml_node_t *node, /* Current node */
|
| 1425 |
*first, /* First node added */
|
| 1426 |
*parent; /* Current parent node */
|
| 1427 |
int ch, /* Character from file */ |
| 1428 |
whitespace; /* Non-zero if whitespace seen */
|
| 1429 |
char *buffer, /* String buffer */ |
| 1430 |
*bufptr; /* Pointer into buffer */
|
| 1431 |
int bufsize; /* Size of buffer */ |
| 1432 |
mxml_type_t type; /* Current node type */
|
| 1433 |
int encoding; /* Character encoding */ |
| 1434 |
_mxml_global_t *global = _mxml_global(); |
| 1435 |
/* Global data */
|
| 1436 |
static const char * const types[] = /* Type strings... */ |
| 1437 |
{
|
| 1438 |
"MXML_ELEMENT", /* XML element with attributes */ |
| 1439 |
"MXML_INTEGER", /* Integer value */ |
| 1440 |
"MXML_OPAQUE", /* Opaque string */ |
| 1441 |
"MXML_REAL", /* Real value */ |
| 1442 |
"MXML_TEXT", /* Text fragment */ |
| 1443 |
"MXML_CUSTOM" /* Custom data */ |
| 1444 |
}; |
| 1445 |
|
| 1446 |
|
| 1447 |
/*
|
| 1448 |
* Read elements and other nodes from the file...
|
| 1449 |
*/
|
| 1450 |
|
| 1451 |
if ((buffer = malloc(64)) == NULL) |
| 1452 |
{
|
| 1453 |
mxml_error("Unable to allocate string buffer!");
|
| 1454 |
return (NULL); |
| 1455 |
} |
| 1456 |
|
| 1457 |
bufsize = 64;
|
| 1458 |
bufptr = buffer; |
| 1459 |
parent = top; |
| 1460 |
first = NULL;
|
| 1461 |
whitespace = 0;
|
| 1462 |
encoding = ENCODE_UTF8; |
| 1463 |
|
| 1464 |
if (cb && parent)
|
| 1465 |
type = (*cb)(parent); |
| 1466 |
else
|
| 1467 |
type = MXML_TEXT; |
| 1468 |
|
| 1469 |
while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1470 |
{
|
| 1471 |
if ((ch == '<' || |
| 1472 |
(mxml_isspace(ch) && type != MXML_OPAQUE && type != MXML_CUSTOM)) && |
| 1473 |
bufptr > buffer) |
| 1474 |
{
|
| 1475 |
/*
|
| 1476 |
* Add a new value node...
|
| 1477 |
*/
|
| 1478 |
|
| 1479 |
*bufptr = '\0';
|
| 1480 |
|
| 1481 |
switch (type)
|
| 1482 |
{
|
| 1483 |
case MXML_INTEGER :
|
| 1484 |
node = mxmlNewInteger(parent, strtol(buffer, &bufptr, 0));
|
| 1485 |
break;
|
| 1486 |
|
| 1487 |
case MXML_OPAQUE :
|
| 1488 |
node = mxmlNewOpaque(parent, buffer); |
| 1489 |
break;
|
| 1490 |
|
| 1491 |
case MXML_REAL :
|
| 1492 |
node = mxmlNewReal(parent, strtod(buffer, &bufptr)); |
| 1493 |
break;
|
| 1494 |
|
| 1495 |
case MXML_TEXT :
|
| 1496 |
node = mxmlNewText(parent, whitespace, buffer); |
| 1497 |
break;
|
| 1498 |
|
| 1499 |
case MXML_CUSTOM :
|
| 1500 |
if (global->custom_load_cb)
|
| 1501 |
{
|
| 1502 |
/*
|
| 1503 |
* Use the callback to fill in the custom data...
|
| 1504 |
*/
|
| 1505 |
|
| 1506 |
node = mxmlNewCustom(parent, NULL, NULL); |
| 1507 |
|
| 1508 |
if ((*global->custom_load_cb)(node, buffer))
|
| 1509 |
{
|
| 1510 |
mxml_error("Bad custom value '%s' in parent <%s>!",
|
| 1511 |
buffer, parent ? parent->value.element.name : "null");
|
| 1512 |
mxmlDelete(node); |
| 1513 |
node = NULL;
|
| 1514 |
} |
| 1515 |
break;
|
| 1516 |
} |
| 1517 |
|
| 1518 |
default : /* Ignore... */ |
| 1519 |
node = NULL;
|
| 1520 |
break;
|
| 1521 |
} |
| 1522 |
|
| 1523 |
if (*bufptr)
|
| 1524 |
{
|
| 1525 |
/*
|
| 1526 |
* Bad integer/real number value...
|
| 1527 |
*/
|
| 1528 |
|
| 1529 |
mxml_error("Bad %s value '%s' in parent <%s>!",
|
| 1530 |
type == MXML_INTEGER ? "integer" : "real", buffer, |
| 1531 |
parent ? parent->value.element.name : "null");
|
| 1532 |
break;
|
| 1533 |
} |
| 1534 |
|
| 1535 |
bufptr = buffer; |
| 1536 |
whitespace = mxml_isspace(ch) && type == MXML_TEXT; |
| 1537 |
|
| 1538 |
if (!node && type != MXML_IGNORE)
|
| 1539 |
{
|
| 1540 |
/*
|
| 1541 |
* Print error and return...
|
| 1542 |
*/
|
| 1543 |
|
| 1544 |
mxml_error("Unable to add value node of type %s to parent <%s>!",
|
| 1545 |
types[type], parent ? parent->value.element.name : "null");
|
| 1546 |
goto error;
|
| 1547 |
} |
| 1548 |
|
| 1549 |
if (sax_cb)
|
| 1550 |
{
|
| 1551 |
(*sax_cb)(node, MXML_SAX_DATA, sax_data); |
| 1552 |
|
| 1553 |
if (!mxmlRelease(node))
|
| 1554 |
node = NULL;
|
| 1555 |
} |
| 1556 |
|
| 1557 |
if (!first && node)
|
| 1558 |
first = node; |
| 1559 |
} |
| 1560 |
else if (mxml_isspace(ch) && type == MXML_TEXT) |
| 1561 |
whitespace = 1;
|
| 1562 |
|
| 1563 |
/*
|
| 1564 |
* Add lone whitespace node if we have an element and existing
|
| 1565 |
* whitespace...
|
| 1566 |
*/
|
| 1567 |
|
| 1568 |
if (ch == '<' && whitespace && type == MXML_TEXT) |
| 1569 |
{
|
| 1570 |
node = mxmlNewText(parent, whitespace, "");
|
| 1571 |
|
| 1572 |
if (sax_cb)
|
| 1573 |
{
|
| 1574 |
(*sax_cb)(node, MXML_SAX_DATA, sax_data); |
| 1575 |
|
| 1576 |
if (!mxmlRelease(node))
|
| 1577 |
node = NULL;
|
| 1578 |
} |
| 1579 |
|
| 1580 |
if (!first && node)
|
| 1581 |
first = node; |
| 1582 |
|
| 1583 |
whitespace = 0;
|
| 1584 |
} |
| 1585 |
|
| 1586 |
if (ch == '<') |
| 1587 |
{
|
| 1588 |
/*
|
| 1589 |
* Start of open/close tag...
|
| 1590 |
*/
|
| 1591 |
|
| 1592 |
bufptr = buffer; |
| 1593 |
|
| 1594 |
while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1595 |
if (mxml_isspace(ch) || ch == '>' || (ch == '/' && bufptr > buffer)) |
| 1596 |
break;
|
| 1597 |
else if (ch == '<') |
| 1598 |
{
|
| 1599 |
mxml_error("Bare < in element!");
|
| 1600 |
goto error;
|
| 1601 |
} |
| 1602 |
else if (ch == '&') |
| 1603 |
{
|
| 1604 |
if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF) |
| 1605 |
goto error;
|
| 1606 |
|
| 1607 |
if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
|
| 1608 |
goto error;
|
| 1609 |
} |
| 1610 |
else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1611 |
goto error;
|
| 1612 |
else if (((bufptr - buffer) == 1 && buffer[0] == '?') || |
| 1613 |
((bufptr - buffer) == 3 && !strncmp(buffer, "!--", 3)) || |
| 1614 |
((bufptr - buffer) == 8 && !strncmp(buffer, "![CDATA[", 8))) |
| 1615 |
break;
|
| 1616 |
|
| 1617 |
*bufptr = '\0';
|
| 1618 |
|
| 1619 |
if (!strcmp(buffer, "!--")) |
| 1620 |
{
|
| 1621 |
/*
|
| 1622 |
* Gather rest of comment...
|
| 1623 |
*/
|
| 1624 |
|
| 1625 |
while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1626 |
{
|
| 1627 |
if (ch == '>' && bufptr > (buffer + 4) && |
| 1628 |
bufptr[-3] != '-' && bufptr[-2] == '-' && bufptr[-1] == '-') |
| 1629 |
break;
|
| 1630 |
else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1631 |
goto error;
|
| 1632 |
} |
| 1633 |
|
| 1634 |
/*
|
| 1635 |
* Error out if we didn't get the whole comment...
|
| 1636 |
*/
|
| 1637 |
|
| 1638 |
if (ch != '>') |
| 1639 |
{
|
| 1640 |
/*
|
| 1641 |
* Print error and return...
|
| 1642 |
*/
|
| 1643 |
|
| 1644 |
mxml_error("Early EOF in comment node!");
|
| 1645 |
goto error;
|
| 1646 |
} |
| 1647 |
|
| 1648 |
|
| 1649 |
/*
|
| 1650 |
* Otherwise add this as an element under the current parent...
|
| 1651 |
*/
|
| 1652 |
|
| 1653 |
*bufptr = '\0';
|
| 1654 |
|
| 1655 |
if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1656 |
{
|
| 1657 |
/*
|
| 1658 |
* Just print error for now...
|
| 1659 |
*/
|
| 1660 |
|
| 1661 |
mxml_error("Unable to add comment node to parent <%s>!",
|
| 1662 |
parent ? parent->value.element.name : "null");
|
| 1663 |
break;
|
| 1664 |
} |
| 1665 |
|
| 1666 |
if (sax_cb)
|
| 1667 |
{
|
| 1668 |
(*sax_cb)(node, MXML_SAX_COMMENT, sax_data); |
| 1669 |
|
| 1670 |
if (!mxmlRelease(node))
|
| 1671 |
node = NULL;
|
| 1672 |
} |
| 1673 |
|
| 1674 |
if (node && !first)
|
| 1675 |
first = node; |
| 1676 |
} |
| 1677 |
else if (!strcmp(buffer, "![CDATA[")) |
| 1678 |
{
|
| 1679 |
/*
|
| 1680 |
* Gather CDATA section...
|
| 1681 |
*/
|
| 1682 |
|
| 1683 |
while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1684 |
{
|
| 1685 |
if (ch == '>' && !strncmp(bufptr - 2, "]]", 2)) |
| 1686 |
break;
|
| 1687 |
else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1688 |
goto error;
|
| 1689 |
} |
| 1690 |
|
| 1691 |
/*
|
| 1692 |
* Error out if we didn't get the whole comment...
|
| 1693 |
*/
|
| 1694 |
|
| 1695 |
if (ch != '>') |
| 1696 |
{
|
| 1697 |
/*
|
| 1698 |
* Print error and return...
|
| 1699 |
*/
|
| 1700 |
|
| 1701 |
mxml_error("Early EOF in CDATA node!");
|
| 1702 |
goto error;
|
| 1703 |
} |
| 1704 |
|
| 1705 |
|
| 1706 |
/*
|
| 1707 |
* Otherwise add this as an element under the current parent...
|
| 1708 |
*/
|
| 1709 |
|
| 1710 |
*bufptr = '\0';
|
| 1711 |
|
| 1712 |
if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1713 |
{
|
| 1714 |
/*
|
| 1715 |
* Print error and return...
|
| 1716 |
*/
|
| 1717 |
|
| 1718 |
mxml_error("Unable to add CDATA node to parent <%s>!",
|
| 1719 |
parent ? parent->value.element.name : "null");
|
| 1720 |
goto error;
|
| 1721 |
} |
| 1722 |
|
| 1723 |
if (sax_cb)
|
| 1724 |
{
|
| 1725 |
(*sax_cb)(node, MXML_SAX_CDATA, sax_data); |
| 1726 |
|
| 1727 |
if (!mxmlRelease(node))
|
| 1728 |
node = NULL;
|
| 1729 |
} |
| 1730 |
|
| 1731 |
if (node && !first)
|
| 1732 |
first = node; |
| 1733 |
} |
| 1734 |
else if (buffer[0] == '?') |
| 1735 |
{
|
| 1736 |
/*
|
| 1737 |
* Gather rest of processing instruction...
|
| 1738 |
*/
|
| 1739 |
|
| 1740 |
while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1741 |
{
|
| 1742 |
if (ch == '>' && bufptr > buffer && bufptr[-1] == '?') |
| 1743 |
break;
|
| 1744 |
else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1745 |
goto error;
|
| 1746 |
} |
| 1747 |
|
| 1748 |
/*
|
| 1749 |
* Error out if we didn't get the whole processing instruction...
|
| 1750 |
*/
|
| 1751 |
|
| 1752 |
if (ch != '>') |
| 1753 |
{
|
| 1754 |
/*
|
| 1755 |
* Print error and return...
|
| 1756 |
*/
|
| 1757 |
|
| 1758 |
mxml_error("Early EOF in processing instruction node!");
|
| 1759 |
goto error;
|
| 1760 |
} |
| 1761 |
|
| 1762 |
/*
|
| 1763 |
* Otherwise add this as an element under the current parent...
|
| 1764 |
*/
|
| 1765 |
|
| 1766 |
*bufptr = '\0';
|
| 1767 |
|
| 1768 |
if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1769 |
{
|
| 1770 |
/*
|
| 1771 |
* Print error and return...
|
| 1772 |
*/
|
| 1773 |
|
| 1774 |
mxml_error("Unable to add processing instruction node to parent <%s>!",
|
| 1775 |
parent ? parent->value.element.name : "null");
|
| 1776 |
goto error;
|
| 1777 |
} |
| 1778 |
|
| 1779 |
if (sax_cb)
|
| 1780 |
{
|
| 1781 |
(*sax_cb)(node, MXML_SAX_DIRECTIVE, sax_data); |
| 1782 |
|
| 1783 |
if (!mxmlRelease(node))
|
| 1784 |
node = NULL;
|
| 1785 |
} |
| 1786 |
|
| 1787 |
if (node)
|
| 1788 |
{
|
| 1789 |
if (!first)
|
| 1790 |
first = node; |
| 1791 |
|
| 1792 |
if (!parent)
|
| 1793 |
{
|
| 1794 |
parent = node; |
| 1795 |
|
| 1796 |
if (cb)
|
| 1797 |
type = (*cb)(parent); |
| 1798 |
} |
| 1799 |
} |
| 1800 |
} |
| 1801 |
else if (buffer[0] == '!') |
| 1802 |
{
|
| 1803 |
/*
|
| 1804 |
* Gather rest of declaration...
|
| 1805 |
*/
|
| 1806 |
|
| 1807 |
do
|
| 1808 |
{
|
| 1809 |
if (ch == '>') |
| 1810 |
break;
|
| 1811 |
else
|
| 1812 |
{
|
| 1813 |
if (ch == '&') |
| 1814 |
if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF) |
| 1815 |
goto error;
|
| 1816 |
|
| 1817 |
if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
|
| 1818 |
goto error;
|
| 1819 |
} |
| 1820 |
} |
| 1821 |
while ((ch = (*getc_cb)(p, &encoding)) != EOF); |
| 1822 |
|
| 1823 |
/*
|
| 1824 |
* Error out if we didn't get the whole declaration...
|
| 1825 |
*/
|
| 1826 |
|
| 1827 |
if (ch != '>') |
| 1828 |
{
|
| 1829 |
/*
|
| 1830 |
* Print error and return...
|
| 1831 |
*/
|
| 1832 |
|
| 1833 |
mxml_error("Early EOF in declaration node!");
|
| 1834 |
goto error;
|
| 1835 |
} |
| 1836 |
|
| 1837 |
/*
|
| 1838 |
* Otherwise add this as an element under the current parent...
|
| 1839 |
*/
|
| 1840 |
|
| 1841 |
*bufptr = '\0';
|
| 1842 |
|
| 1843 |
if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1844 |
{
|
| 1845 |
/*
|
| 1846 |
* Print error and return...
|
| 1847 |
*/
|
| 1848 |
|
| 1849 |
mxml_error("Unable to add declaration node to parent <%s>!",
|
| 1850 |
parent ? parent->value.element.name : "null");
|
| 1851 |
goto error;
|
| 1852 |
} |
| 1853 |
|
| 1854 |
if (sax_cb)
|
| 1855 |
{
|
| 1856 |
(*sax_cb)(node, MXML_SAX_DIRECTIVE, sax_data); |
| 1857 |
|
| 1858 |
if (!mxmlRelease(node))
|
| 1859 |
node = NULL;
|
| 1860 |
} |
| 1861 |
|
| 1862 |
if (node)
|
| 1863 |
{
|
| 1864 |
if (!first)
|
| 1865 |
first = node; |
| 1866 |
|
| 1867 |
if (!parent)
|
| 1868 |
{
|
| 1869 |
parent = node; |
| 1870 |
|
| 1871 |
if (cb)
|
| 1872 |
type = (*cb)(parent); |
| 1873 |
} |
| 1874 |
} |
| 1875 |
} |
| 1876 |
else if (buffer[0] == '/') |
| 1877 |
{
|
| 1878 |
/*
|
| 1879 |
* Handle close tag...
|
| 1880 |
*/
|
| 1881 |
|
| 1882 |
if (!parent || strcmp(buffer + 1, parent->value.element.name)) |
| 1883 |
{
|
| 1884 |
/*
|
| 1885 |
* Close tag doesn't match tree; print an error for now...
|
| 1886 |
*/
|
| 1887 |
|
| 1888 |
mxml_error("Mismatched close tag <%s> under parent <%s>!",
|
| 1889 |
buffer, parent ? parent->value.element.name : "(null)");
|
| 1890 |
goto error;
|
| 1891 |
} |
| 1892 |
|
| 1893 |
/*
|
| 1894 |
* Keep reading until we see >...
|
| 1895 |
*/
|
| 1896 |
|
| 1897 |
while (ch != '>' && ch != EOF) |
| 1898 |
ch = (*getc_cb)(p, &encoding); |
| 1899 |
|
| 1900 |
node = parent; |
| 1901 |
parent = parent->parent; |
| 1902 |
|
| 1903 |
if (sax_cb)
|
| 1904 |
{
|
| 1905 |
(*sax_cb)(node, MXML_SAX_ELEMENT_CLOSE, sax_data); |
| 1906 |
|
| 1907 |
mxmlRelease(node); |
| 1908 |
} |
| 1909 |
|
| 1910 |
/*
|
| 1911 |
* Ascend into the parent and set the value type as needed...
|
| 1912 |
*/
|
| 1913 |
|
| 1914 |
if (cb && parent)
|
| 1915 |
type = (*cb)(parent); |
| 1916 |
} |
| 1917 |
else
|
| 1918 |
{
|
| 1919 |
/*
|
| 1920 |
* Handle open tag...
|
| 1921 |
*/
|
| 1922 |
|
| 1923 |
if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1924 |
{
|
| 1925 |
/*
|
| 1926 |
* Just print error for now...
|
| 1927 |
*/
|
| 1928 |
|
| 1929 |
mxml_error("Unable to add element node to parent <%s>!",
|
| 1930 |
parent ? parent->value.element.name : "null");
|
| 1931 |
goto error;
|
| 1932 |
} |
| 1933 |
|
| 1934 |
if (mxml_isspace(ch))
|
| 1935 |
{
|
| 1936 |
if ((ch = mxml_parse_element(node, p, &encoding, getc_cb)) == EOF) |
| 1937 |
goto error;
|
| 1938 |
} |
| 1939 |
else if (ch == '/') |
| 1940 |
{
|
| 1941 |
if ((ch = (*getc_cb)(p, &encoding)) != '>') |
| 1942 |
{
|
| 1943 |
mxml_error("Expected > but got '%c' instead for element <%s/>!",
|
| 1944 |
ch, buffer); |
| 1945 |
mxmlDelete(node); |
| 1946 |
goto error;
|
| 1947 |
} |
| 1948 |
|
| 1949 |
ch = '/';
|
| 1950 |
} |
| 1951 |
|
| 1952 |
if (sax_cb)
|
| 1953 |
(*sax_cb)(node, MXML_SAX_ELEMENT_OPEN, sax_data); |
| 1954 |
|
| 1955 |
if (!first)
|
| 1956 |
first = node; |
| 1957 |
|
| 1958 |
if (ch == EOF) |
| 1959 |
break;
|
| 1960 |
|
| 1961 |
if (ch != '/') |
| 1962 |
{
|
| 1963 |
/*
|
| 1964 |
* Descend into this node, setting the value type as needed...
|
| 1965 |
*/
|
| 1966 |
|
| 1967 |
parent = node; |
| 1968 |
|
| 1969 |
if (cb && parent)
|
| 1970 |
type = (*cb)(parent); |
| 1971 |
} |
| 1972 |
else if (sax_cb) |
| 1973 |
{
|
| 1974 |
(*sax_cb)(node, MXML_SAX_ELEMENT_CLOSE, sax_data); |
| 1975 |
|
| 1976 |
if (!mxmlRelease(node) && first == node)
|
| 1977 |
first = NULL;
|
| 1978 |
} |
| 1979 |
} |
| 1980 |
|
| 1981 |
bufptr = buffer; |
| 1982 |
} |
| 1983 |
else if (ch == '&') |
| 1984 |
{
|
| 1985 |
/*
|
| 1986 |
* Add character entity to current buffer...
|
| 1987 |
*/
|
| 1988 |
|
| 1989 |
if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF) |
| 1990 |
goto error;
|
| 1991 |
|
| 1992 |
if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
|
| 1993 |
goto error;
|
| 1994 |
} |
| 1995 |
else if (type == MXML_OPAQUE || type == MXML_CUSTOM || !mxml_isspace(ch)) |
| 1996 |
{
|
| 1997 |
/*
|
| 1998 |
* Add character to current buffer...
|
| 1999 |
*/
|
| 2000 |
|
| 2001 |
if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
|
| 2002 |
goto error;
|
| 2003 |
} |
| 2004 |
} |
| 2005 |
|
| 2006 |
/*
|
| 2007 |
* Free the string buffer - we don't need it anymore...
|
| 2008 |
*/
|
| 2009 |
|
| 2010 |
free(buffer); |
| 2011 |
|
| 2012 |
/*
|
| 2013 |
* Find the top element and return it...
|
| 2014 |
*/
|
| 2015 |
|
| 2016 |
if (parent)
|
| 2017 |
{
|
| 2018 |
node = parent; |
| 2019 |
|
| 2020 |
while (parent->parent != top && parent->parent)
|
| 2021 |
parent = parent->parent; |
| 2022 |
|
| 2023 |
if (node != parent)
|
| 2024 |
{
|
| 2025 |
mxml_error("Missing close tag </%s> under parent <%s>!",
|
| 2026 |
node->value.element.name, |
| 2027 |
node->parent ? node->parent->value.element.name : "(null)");
|
| 2028 |
|
| 2029 |
mxmlDelete(first); |
| 2030 |
|
| 2031 |
return (NULL); |
| 2032 |
} |
| 2033 |
} |
| 2034 |
|
| 2035 |
if (parent)
|
| 2036 |
return (parent);
|
| 2037 |
else
|
| 2038 |
return (first);
|
| 2039 |
|
| 2040 |
/*
|
| 2041 |
* Common error return...
|
| 2042 |
*/
|
| 2043 |
|
| 2044 |
error:
|
| 2045 |
|
| 2046 |
mxmlDelete(first); |
| 2047 |
|
| 2048 |
free(buffer); |
| 2049 |
|
| 2050 |
return (NULL); |
| 2051 |
} |
| 2052 |
|
| 2053 |
|
| 2054 |
/*
|
| 2055 |
* 'mxml_parse_element()' - Parse an element for any attributes...
|
| 2056 |
*/
|
| 2057 |
|
| 2058 |
static int /* O - Terminating character */ |
| 2059 |
mxml_parse_element( |
| 2060 |
mxml_node_t *node, /* I - Element node */
|
| 2061 |
void *p, /* I - Data to read from */ |
| 2062 |
int *encoding, /* IO - Encoding */ |
| 2063 |
_mxml_getc_cb_t getc_cb) /* I - Data callback */
|
| 2064 |
{
|
| 2065 |
int ch, /* Current character in file */ |
| 2066 |
quote; /* Quoting character */
|
| 2067 |
char *name, /* Attribute name */ |
| 2068 |
*value, /* Attribute value */
|
| 2069 |
*ptr; /* Pointer into name/value */
|
| 2070 |
int namesize, /* Size of name string */ |
| 2071 |
valsize; /* Size of value string */
|
| 2072 |
|
| 2073 |
|
| 2074 |
/*
|
| 2075 |
* Initialize the name and value buffers...
|
| 2076 |
*/
|
| 2077 |
|
| 2078 |
if ((name = malloc(64)) == NULL) |
| 2079 |
{
|
| 2080 |
mxml_error("Unable to allocate memory for name!");
|
| 2081 |
return (EOF); |
| 2082 |
} |
| 2083 |
|
| 2084 |
namesize = 64;
|
| 2085 |
|
| 2086 |
if ((value = malloc(64)) == NULL) |
| 2087 |
{
|
| 2088 |
free(name); |
| 2089 |
mxml_error("Unable to allocate memory for value!");
|
| 2090 |
return (EOF); |
| 2091 |
} |
| 2092 |
|
| 2093 |
valsize = 64;
|
| 2094 |
|
| 2095 |
/*
|
| 2096 |
* Loop until we hit a >, /, ?, or EOF...
|
| 2097 |
*/
|
| 2098 |
|
| 2099 |
while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2100 |
{
|
| 2101 |
#if DEBUG > 1 |
| 2102 |
fprintf(stderr, "parse_element: ch='%c'\n", ch);
|
| 2103 |
#endif /* DEBUG > 1 */ |
| 2104 |
|
| 2105 |
/*
|
| 2106 |
* Skip leading whitespace...
|
| 2107 |
*/
|
| 2108 |
|
| 2109 |
if (mxml_isspace(ch))
|
| 2110 |
continue;
|
| 2111 |
|
| 2112 |
/*
|
| 2113 |
* Stop at /, ?, or >...
|
| 2114 |
*/
|
| 2115 |
|
| 2116 |
if (ch == '/' || ch == '?') |
| 2117 |
{
|
| 2118 |
/*
|
| 2119 |
* Grab the > character and print an error if it isn't there...
|
| 2120 |
*/
|
| 2121 |
|
| 2122 |
quote = (*getc_cb)(p, encoding); |
| 2123 |
|
| 2124 |
if (quote != '>') |
| 2125 |
{
|
| 2126 |
mxml_error("Expected '>' after '%c' for element %s, but got '%c'!",
|
| 2127 |
ch, node->value.element.name, quote); |
| 2128 |
goto error;
|
| 2129 |
} |
| 2130 |
|
| 2131 |
break;
|
| 2132 |
} |
| 2133 |
else if (ch == '<') |
| 2134 |
{
|
| 2135 |
mxml_error("Bare < in element %s!", node->value.element.name);
|
| 2136 |
goto error;
|
| 2137 |
} |
| 2138 |
else if (ch == '>') |
| 2139 |
break;
|
| 2140 |
|
| 2141 |
/*
|
| 2142 |
* Read the attribute name...
|
| 2143 |
*/
|
| 2144 |
|
| 2145 |
name[0] = ch;
|
| 2146 |
ptr = name + 1;
|
| 2147 |
|
| 2148 |
if (ch == '\"' || ch == '\'') |
| 2149 |
{
|
| 2150 |
/*
|
| 2151 |
* Name is in quotes, so get a quoted string...
|
| 2152 |
*/
|
| 2153 |
|
| 2154 |
quote = ch; |
| 2155 |
|
| 2156 |
while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2157 |
{
|
| 2158 |
if (ch == '&') |
| 2159 |
if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2160 |
goto error;
|
| 2161 |
|
| 2162 |
if (mxml_add_char(ch, &ptr, &name, &namesize))
|
| 2163 |
goto error;
|
| 2164 |
|
| 2165 |
if (ch == quote)
|
| 2166 |
break;
|
| 2167 |
} |
| 2168 |
} |
| 2169 |
else
|
| 2170 |
{
|
| 2171 |
/*
|
| 2172 |
* Grab an normal, non-quoted name...
|
| 2173 |
*/
|
| 2174 |
|
| 2175 |
while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2176 |
if (mxml_isspace(ch) || ch == '=' || ch == '/' || ch == '>' || |
| 2177 |
ch == '?')
|
| 2178 |
break;
|
| 2179 |
else
|
| 2180 |
{
|
| 2181 |
if (ch == '&') |
| 2182 |
if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2183 |
goto error;
|
| 2184 |
|
| 2185 |
if (mxml_add_char(ch, &ptr, &name, &namesize))
|
| 2186 |
goto error;
|
| 2187 |
} |
| 2188 |
} |
| 2189 |
|
| 2190 |
*ptr = '\0';
|
| 2191 |
|
| 2192 |
if (mxmlElementGetAttr(node, name))
|
| 2193 |
goto error;
|
| 2194 |
|
| 2195 |
while (ch != EOF && mxml_isspace(ch)) |
| 2196 |
ch = (*getc_cb)(p, encoding); |
| 2197 |
|
| 2198 |
if (ch == '=') |
| 2199 |
{
|
| 2200 |
/*
|
| 2201 |
* Read the attribute value...
|
| 2202 |
*/
|
| 2203 |
|
| 2204 |
while ((ch = (*getc_cb)(p, encoding)) != EOF && mxml_isspace(ch)); |
| 2205 |
|
| 2206 |
if (ch == EOF) |
| 2207 |
{
|
| 2208 |
mxml_error("Missing value for attribute '%s' in element %s!",
|
| 2209 |
name, node->value.element.name); |
| 2210 |
goto error;
|
| 2211 |
} |
| 2212 |
|
| 2213 |
if (ch == '\'' || ch == '\"') |
| 2214 |
{
|
| 2215 |
/*
|
| 2216 |
* Read quoted value...
|
| 2217 |
*/
|
| 2218 |
|
| 2219 |
quote = ch; |
| 2220 |
ptr = value; |
| 2221 |
|
| 2222 |
while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2223 |
if (ch == quote)
|
| 2224 |
break;
|
| 2225 |
else
|
| 2226 |
{
|
| 2227 |
if (ch == '&') |
| 2228 |
if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2229 |
goto error;
|
| 2230 |
|
| 2231 |
if (mxml_add_char(ch, &ptr, &value, &valsize))
|
| 2232 |
goto error;
|
| 2233 |
} |
| 2234 |
|
| 2235 |
*ptr = '\0';
|
| 2236 |
} |
| 2237 |
else
|
| 2238 |
{
|
| 2239 |
/*
|
| 2240 |
* Read unquoted value...
|
| 2241 |
*/
|
| 2242 |
|
| 2243 |
value[0] = ch;
|
| 2244 |
ptr = value + 1;
|
| 2245 |
|
| 2246 |
while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2247 |
if (mxml_isspace(ch) || ch == '=' || ch == '/' || ch == '>') |
| 2248 |
break;
|
| 2249 |
else
|
| 2250 |
{
|
| 2251 |
if (ch == '&') |
| 2252 |
if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2253 |
goto error;
|
| 2254 |
|
| 2255 |
if (mxml_add_char(ch, &ptr, &value, &valsize))
|
| 2256 |
goto error;
|
| 2257 |
} |
| 2258 |
|
| 2259 |
*ptr = '\0';
|
| 2260 |
} |
| 2261 |
|
| 2262 |
/*
|
| 2263 |
* Set the attribute with the given string value...
|
| 2264 |
*/
|
| 2265 |
|
| 2266 |
mxmlElementSetAttr(node, name, value); |
| 2267 |
} |
| 2268 |
else
|
| 2269 |
{
|
| 2270 |
mxml_error("Missing value for attribute '%s' in element %s!",
|
| 2271 |
name, node->value.element.name); |
| 2272 |
goto error;
|
| 2273 |
} |
| 2274 |
|
| 2275 |
/*
|
| 2276 |
* Check the end character...
|
| 2277 |
*/
|
| 2278 |
|
| 2279 |
if (ch == '/' || ch == '?') |
| 2280 |
{
|
| 2281 |
/*
|
| 2282 |
* Grab the > character and print an error if it isn't there...
|
| 2283 |
*/
|
| 2284 |
|
| 2285 |
quote = (*getc_cb)(p, encoding); |
| 2286 |
|
| 2287 |
if (quote != '>') |
| 2288 |
{
|
| 2289 |
mxml_error("Expected '>' after '%c' for element %s, but got '%c'!",
|
| 2290 |
ch, node->value.element.name, quote); |
| 2291 |
ch = EOF;
|
| 2292 |
} |
| 2293 |
|
| 2294 |
break;
|
| 2295 |
} |
| 2296 |
else if (ch == '>') |
| 2297 |
break;
|
| 2298 |
} |
| 2299 |
|
| 2300 |
/*
|
| 2301 |
* Free the name and value buffers and return...
|
| 2302 |
*/
|
| 2303 |
|
| 2304 |
free(name); |
| 2305 |
free(value); |
| 2306 |
|
| 2307 |
return (ch);
|
| 2308 |
|
| 2309 |
/*
|
| 2310 |
* Common error return point...
|
| 2311 |
*/
|
| 2312 |
|
| 2313 |
error:
|
| 2314 |
|
| 2315 |
free(name); |
| 2316 |
free(value); |
| 2317 |
|
| 2318 |
return (EOF); |
| 2319 |
} |
| 2320 |
|
| 2321 |
|
| 2322 |
/*
|
| 2323 |
* 'mxml_string_getc()' - Get a character from a string.
|
| 2324 |
*/
|
| 2325 |
|
| 2326 |
static int /* O - Character or EOF */ |
| 2327 |
mxml_string_getc(void *p, /* I - Pointer to file */ |
| 2328 |
int *encoding) /* IO - Encoding */ |
| 2329 |
{
|
| 2330 |
int ch; /* Character */ |
| 2331 |
const char **s; /* Pointer to string pointer */ |
| 2332 |
|
| 2333 |
|
| 2334 |
s = (const char **)p; |
| 2335 |
|
| 2336 |
if ((ch = (*s)[0] & 255) != 0 || *encoding == ENCODE_UTF16LE) |
| 2337 |
{
|
| 2338 |
/*
|
| 2339 |
* Got character; convert UTF-8 to integer and return...
|
| 2340 |
*/
|
| 2341 |
|
| 2342 |
(*s)++; |
| 2343 |
|
| 2344 |
switch (*encoding)
|
| 2345 |
{
|
| 2346 |
case ENCODE_UTF8 :
|
| 2347 |
if (!(ch & 0x80)) |
| 2348 |
{
|
| 2349 |
#if DEBUG > 1 |
| 2350 |
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2351 |
#endif /* DEBUG > 1 */ |
| 2352 |
|
| 2353 |
if (mxml_bad_char(ch))
|
| 2354 |
{
|
| 2355 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 2356 |
ch); |
| 2357 |
return (EOF); |
| 2358 |
} |
| 2359 |
|
| 2360 |
return (ch);
|
| 2361 |
} |
| 2362 |
else if (ch == 0xfe) |
| 2363 |
{
|
| 2364 |
/*
|
| 2365 |
* UTF-16 big-endian BOM?
|
| 2366 |
*/
|
| 2367 |
|
| 2368 |
if (((*s)[0] & 255) != 0xff) |
| 2369 |
return (EOF); |
| 2370 |
|
| 2371 |
*encoding = ENCODE_UTF16BE; |
| 2372 |
(*s)++; |
| 2373 |
|
| 2374 |
return (mxml_string_getc(p, encoding));
|
| 2375 |
} |
| 2376 |
else if (ch == 0xff) |
| 2377 |
{
|
| 2378 |
/*
|
| 2379 |
* UTF-16 little-endian BOM?
|
| 2380 |
*/
|
| 2381 |
|
| 2382 |
if (((*s)[0] & 255) != 0xfe) |
| 2383 |
return (EOF); |
| 2384 |
|
| 2385 |
*encoding = ENCODE_UTF16LE; |
| 2386 |
(*s)++; |
| 2387 |
|
| 2388 |
return (mxml_string_getc(p, encoding));
|
| 2389 |
} |
| 2390 |
else if ((ch & 0xe0) == 0xc0) |
| 2391 |
{
|
| 2392 |
/*
|
| 2393 |
* Two-byte value...
|
| 2394 |
*/
|
| 2395 |
|
| 2396 |
if (((*s)[0] & 0xc0) != 0x80) |
| 2397 |
return (EOF); |
| 2398 |
|
| 2399 |
ch = ((ch & 0x1f) << 6) | ((*s)[0] & 0x3f); |
| 2400 |
|
| 2401 |
(*s)++; |
| 2402 |
|
| 2403 |
if (ch < 0x80) |
| 2404 |
{
|
| 2405 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 2406 |
return (EOF); |
| 2407 |
} |
| 2408 |
|
| 2409 |
#if DEBUG > 1 |
| 2410 |
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2411 |
#endif /* DEBUG > 1 */ |
| 2412 |
|
| 2413 |
return (ch);
|
| 2414 |
} |
| 2415 |
else if ((ch & 0xf0) == 0xe0) |
| 2416 |
{
|
| 2417 |
/*
|
| 2418 |
* Three-byte value...
|
| 2419 |
*/
|
| 2420 |
|
| 2421 |
if (((*s)[0] & 0xc0) != 0x80 || |
| 2422 |
((*s)[1] & 0xc0) != 0x80) |
| 2423 |
return (EOF); |
| 2424 |
|
| 2425 |
ch = ((((ch & 0x0f) << 6) | ((*s)[0] & 0x3f)) << 6) | ((*s)[1] & 0x3f); |
| 2426 |
|
| 2427 |
(*s) += 2;
|
| 2428 |
|
| 2429 |
if (ch < 0x800) |
| 2430 |
{
|
| 2431 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 2432 |
return (EOF); |
| 2433 |
} |
| 2434 |
|
| 2435 |
/*
|
| 2436 |
* Ignore (strip) Byte Order Mark (BOM)...
|
| 2437 |
*/
|
| 2438 |
|
| 2439 |
if (ch == 0xfeff) |
| 2440 |
return (mxml_string_getc(p, encoding));
|
| 2441 |
|
| 2442 |
#if DEBUG > 1 |
| 2443 |
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2444 |
#endif /* DEBUG > 1 */ |
| 2445 |
|
| 2446 |
return (ch);
|
| 2447 |
} |
| 2448 |
else if ((ch & 0xf8) == 0xf0) |
| 2449 |
{
|
| 2450 |
/*
|
| 2451 |
* Four-byte value...
|
| 2452 |
*/
|
| 2453 |
|
| 2454 |
if (((*s)[0] & 0xc0) != 0x80 || |
| 2455 |
((*s)[1] & 0xc0) != 0x80 || |
| 2456 |
((*s)[2] & 0xc0) != 0x80) |
| 2457 |
return (EOF); |
| 2458 |
|
| 2459 |
ch = ((((((ch & 0x07) << 6) | ((*s)[0] & 0x3f)) << 6) | |
| 2460 |
((*s)[1] & 0x3f)) << 6) | ((*s)[2] & 0x3f); |
| 2461 |
|
| 2462 |
(*s) += 3;
|
| 2463 |
|
| 2464 |
if (ch < 0x10000) |
| 2465 |
{
|
| 2466 |
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
|
| 2467 |
return (EOF); |
| 2468 |
} |
| 2469 |
|
| 2470 |
#if DEBUG > 1 |
| 2471 |
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2472 |
#endif /* DEBUG > 1 */ |
| 2473 |
|
| 2474 |
return (ch);
|
| 2475 |
} |
| 2476 |
else
|
| 2477 |
return (EOF); |
| 2478 |
|
| 2479 |
case ENCODE_UTF16BE :
|
| 2480 |
/*
|
| 2481 |
* Read UTF-16 big-endian char...
|
| 2482 |
*/
|
| 2483 |
|
| 2484 |
ch = (ch << 8) | ((*s)[0] & 255); |
| 2485 |
(*s) ++; |
| 2486 |
|
| 2487 |
if (mxml_bad_char(ch))
|
| 2488 |
{
|
| 2489 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 2490 |
ch); |
| 2491 |
return (EOF); |
| 2492 |
} |
| 2493 |
else if (ch >= 0xd800 && ch <= 0xdbff) |
| 2494 |
{
|
| 2495 |
/*
|
| 2496 |
* Multi-word UTF-16 char...
|
| 2497 |
*/
|
| 2498 |
|
| 2499 |
int lch; /* Lower word */ |
| 2500 |
|
| 2501 |
|
| 2502 |
if (!(*s)[0]) |
| 2503 |
return (EOF); |
| 2504 |
|
| 2505 |
lch = (((*s)[0] & 255) << 8) | ((*s)[1] & 255); |
| 2506 |
(*s) += 2;
|
| 2507 |
|
| 2508 |
if (lch < 0xdc00 || lch >= 0xdfff) |
| 2509 |
return (EOF); |
| 2510 |
|
| 2511 |
ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 2512 |
} |
| 2513 |
|
| 2514 |
#if DEBUG > 1 |
| 2515 |
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2516 |
#endif /* DEBUG > 1 */ |
| 2517 |
|
| 2518 |
return (ch);
|
| 2519 |
|
| 2520 |
case ENCODE_UTF16LE :
|
| 2521 |
/*
|
| 2522 |
* Read UTF-16 little-endian char...
|
| 2523 |
*/
|
| 2524 |
|
| 2525 |
ch = ch | (((*s)[0] & 255) << 8); |
| 2526 |
|
| 2527 |
if (!ch)
|
| 2528 |
{
|
| 2529 |
(*s) --; |
| 2530 |
return (EOF); |
| 2531 |
} |
| 2532 |
|
| 2533 |
(*s) ++; |
| 2534 |
|
| 2535 |
if (mxml_bad_char(ch))
|
| 2536 |
{
|
| 2537 |
mxml_error("Bad control character 0x%02x not allowed by XML standard!",
|
| 2538 |
ch); |
| 2539 |
return (EOF); |
| 2540 |
} |
| 2541 |
else if (ch >= 0xd800 && ch <= 0xdbff) |
| 2542 |
{
|
| 2543 |
/*
|
| 2544 |
* Multi-word UTF-16 char...
|
| 2545 |
*/
|
| 2546 |
|
| 2547 |
int lch; /* Lower word */ |
| 2548 |
|
| 2549 |
|
| 2550 |
if (!(*s)[1]) |
| 2551 |
return (EOF); |
| 2552 |
|
| 2553 |
lch = (((*s)[1] & 255) << 8) | ((*s)[0] & 255); |
| 2554 |
(*s) += 2;
|
| 2555 |
|
| 2556 |
if (lch < 0xdc00 || lch >= 0xdfff) |
| 2557 |
return (EOF); |
| 2558 |
|
| 2559 |
ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 2560 |
} |
| 2561 |
|
| 2562 |
#if DEBUG > 1 |
| 2563 |
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2564 |
#endif /* DEBUG > 1 */ |
| 2565 |
|
| 2566 |
return (ch);
|
| 2567 |
} |
| 2568 |
} |
| 2569 |
|
| 2570 |
return (EOF); |
| 2571 |
} |
| 2572 |
|
| 2573 |
|
| 2574 |
/*
|
| 2575 |
* 'mxml_string_putc()' - Write a character to a string.
|
| 2576 |
*/
|
| 2577 |
|
| 2578 |
static int /* O - 0 on success, -1 on failure */ |
| 2579 |
mxml_string_putc(int ch, /* I - Character to write */ |
| 2580 |
void *p) /* I - Pointer to string pointers */ |
| 2581 |
{
|
| 2582 |
char **pp; /* Pointer to string pointers */ |
| 2583 |
|
| 2584 |
|
| 2585 |
pp = (char **)p;
|
| 2586 |
|
| 2587 |
if (pp[0] < pp[1]) |
| 2588 |
pp[0][0] = ch; |
| 2589 |
|
| 2590 |
pp[0] ++;
|
| 2591 |
|
| 2592 |
return (0); |
| 2593 |
} |
| 2594 |
|
| 2595 |
|
| 2596 |
/*
|
| 2597 |
* 'mxml_write_name()' - Write a name string.
|
| 2598 |
*/
|
| 2599 |
|
| 2600 |
static int /* O - 0 on success, -1 on failure */ |
| 2601 |
mxml_write_name(const char *s, /* I - Name to write */ |
| 2602 |
void *p, /* I - Write pointer */ |
| 2603 |
int (*putc_cb)(int, void *)) |
| 2604 |
/* I - Write callback */
|
| 2605 |
{
|
| 2606 |
char quote; /* Quote character */ |
| 2607 |
const char *name; /* Entity name */ |
| 2608 |
|
| 2609 |
|
| 2610 |
if (*s == '\"' || *s == '\'') |
| 2611 |
{
|
| 2612 |
/*
|
| 2613 |
* Write a quoted name string...
|
| 2614 |
*/
|
| 2615 |
|
| 2616 |
if ((*putc_cb)(*s, p) < 0) |
| 2617 |
return (-1); |
| 2618 |
|
| 2619 |
quote = *s++; |
| 2620 |
|
| 2621 |
while (*s && *s != quote)
|
| 2622 |
{
|
| 2623 |
if ((name = mxmlEntityGetName(*s)) != NULL) |
| 2624 |
{
|
| 2625 |
if ((*putc_cb)('&', p) < 0) |
| 2626 |
return (-1); |
| 2627 |
|
| 2628 |
while (*name)
|
| 2629 |
{
|
| 2630 |
if ((*putc_cb)(*name, p) < 0) |
| 2631 |
return (-1); |
| 2632 |
|
| 2633 |
name ++; |
| 2634 |
} |
| 2635 |
|
| 2636 |
if ((*putc_cb)(';', p) < 0) |
| 2637 |
return (-1); |
| 2638 |
} |
| 2639 |
else if ((*putc_cb)(*s, p) < 0) |
| 2640 |
return (-1); |
| 2641 |
|
| 2642 |
s ++; |
| 2643 |
} |
| 2644 |
|
| 2645 |
/*
|
| 2646 |
* Write the end quote...
|
| 2647 |
*/
|
| 2648 |
|
| 2649 |
if ((*putc_cb)(quote, p) < 0) |
| 2650 |
return (-1); |
| 2651 |
} |
| 2652 |
else
|
| 2653 |
{
|
| 2654 |
/*
|
| 2655 |
* Write a non-quoted name string...
|
| 2656 |
*/
|
| 2657 |
|
| 2658 |
while (*s)
|
| 2659 |
{
|
| 2660 |
if ((*putc_cb)(*s, p) < 0) |
| 2661 |
return (-1); |
| 2662 |
|
| 2663 |
s ++; |
| 2664 |
} |
| 2665 |
} |
| 2666 |
|
| 2667 |
return (0); |
| 2668 |
} |
| 2669 |
|
| 2670 |
|
| 2671 |
/*
|
| 2672 |
* 'mxml_write_node()' - Save an XML node to a file.
|
| 2673 |
*/
|
| 2674 |
|
| 2675 |
static int /* O - Column or -1 on error */ |
| 2676 |
mxml_write_node(mxml_node_t *node, /* I - Node to write */
|
| 2677 |
void *p, /* I - File to write to */ |
| 2678 |
mxml_save_cb_t cb, /* I - Whitespace callback */
|
| 2679 |
int col, /* I - Current column */ |
| 2680 |
_mxml_putc_cb_t putc_cb,/* I - Output callback */
|
| 2681 |
_mxml_global_t *global)/* I - Global data */
|
| 2682 |
{
|
| 2683 |
int i, /* Looping var */ |
| 2684 |
width; /* Width of attr + value */
|
| 2685 |
mxml_attr_t *attr; /* Current attribute */
|
| 2686 |
char s[255]; /* Temporary string */ |
| 2687 |
|
| 2688 |
|
| 2689 |
while (node != NULL) |
| 2690 |
{
|
| 2691 |
/*
|
| 2692 |
* Print the node value...
|
| 2693 |
*/
|
| 2694 |
|
| 2695 |
switch (node->type)
|
| 2696 |
{
|
| 2697 |
case MXML_ELEMENT :
|
| 2698 |
col = mxml_write_ws(node, p, cb, MXML_WS_BEFORE_OPEN, col, putc_cb); |
| 2699 |
|
| 2700 |
if ((*putc_cb)('<', p) < 0) |
| 2701 |
return (-1); |
| 2702 |
if (node->value.element.name[0] == '?' || |
| 2703 |
!strncmp(node->value.element.name, "!--", 3) || |
| 2704 |
!strncmp(node->value.element.name, "![CDATA[", 8)) |
| 2705 |
{
|
| 2706 |
/*
|
| 2707 |
* Comments, CDATA, and processing instructions do not
|
| 2708 |
* use character entities.
|
| 2709 |
*/
|
| 2710 |
|
| 2711 |
const char *ptr; /* Pointer into name */ |
| 2712 |
|
| 2713 |
|
| 2714 |
for (ptr = node->value.element.name; *ptr; ptr ++)
|
| 2715 |
if ((*putc_cb)(*ptr, p) < 0) |
| 2716 |
return (-1); |
| 2717 |
} |
| 2718 |
else if (mxml_write_name(node->value.element.name, p, putc_cb) < 0) |
| 2719 |
return (-1); |
| 2720 |
|
| 2721 |
col += strlen(node->value.element.name) + 1;
|
| 2722 |
|
| 2723 |
for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
|
| 2724 |
i > 0;
|
| 2725 |
i --, attr ++) |
| 2726 |
{
|
| 2727 |
width = strlen(attr->name); |
| 2728 |
|
| 2729 |
if (attr->value)
|
| 2730 |
width += strlen(attr->value) + 3;
|
| 2731 |
|
| 2732 |
if (global->wrap > 0 && (col + width) > global->wrap) |
| 2733 |
{
|
| 2734 |
if ((*putc_cb)('\n', p) < 0) |
| 2735 |
return (-1); |
| 2736 |
|
| 2737 |
col = 0;
|
| 2738 |
} |
| 2739 |
else
|
| 2740 |
{
|
| 2741 |
if ((*putc_cb)(' ', p) < 0) |
| 2742 |
return (-1); |
| 2743 |
|
| 2744 |
col ++; |
| 2745 |
} |
| 2746 |
|
| 2747 |
if (mxml_write_name(attr->name, p, putc_cb) < 0) |
| 2748 |
return (-1); |
| 2749 |
|
| 2750 |
if (attr->value)
|
| 2751 |
{
|
| 2752 |
if ((*putc_cb)('=', p) < 0) |
| 2753 |
return (-1); |
| 2754 |
if ((*putc_cb)('\"', p) < 0) |
| 2755 |
return (-1); |
| 2756 |
if (mxml_write_string(attr->value, p, putc_cb) < 0) |
| 2757 |
return (-1); |
| 2758 |
if ((*putc_cb)('\"', p) < 0) |
| 2759 |
return (-1); |
| 2760 |
} |
| 2761 |
|
| 2762 |
col += width; |
| 2763 |
} |
| 2764 |
|
| 2765 |
if (node->child)
|
| 2766 |
{
|
| 2767 |
/*
|
| 2768 |
* Write children...
|
| 2769 |
*/
|
| 2770 |
|
| 2771 |
if ((*putc_cb)('>', p) < 0) |
| 2772 |
return (-1); |
| 2773 |
else
|
| 2774 |
col ++; |
| 2775 |
|
| 2776 |
col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb); |
| 2777 |
|
| 2778 |
if ((col = mxml_write_node(node->child, p, cb, col, putc_cb,
|
| 2779 |
global)) < 0)
|
| 2780 |
return (-1); |
| 2781 |
|
| 2782 |
/*
|
| 2783 |
* The ? and ! elements are special-cases and have no end tags...
|
| 2784 |
*/
|
| 2785 |
|
| 2786 |
if (node->value.element.name[0] != '!' && |
| 2787 |
node->value.element.name[0] != '?') |
| 2788 |
{
|
| 2789 |
col = mxml_write_ws(node, p, cb, MXML_WS_BEFORE_CLOSE, col, putc_cb); |
| 2790 |
|
| 2791 |
if ((*putc_cb)('<', p) < 0) |
| 2792 |
return (-1); |
| 2793 |
if ((*putc_cb)('/', p) < 0) |
| 2794 |
return (-1); |
| 2795 |
if (mxml_write_string(node->value.element.name, p, putc_cb) < 0) |
| 2796 |
return (-1); |
| 2797 |
if ((*putc_cb)('>', p) < 0) |
| 2798 |
return (-1); |
| 2799 |
|
| 2800 |
col += strlen(node->value.element.name) + 3;
|
| 2801 |
|
| 2802 |
col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_CLOSE, col, putc_cb); |
| 2803 |
} |
| 2804 |
} |
| 2805 |
else if (node->value.element.name[0] == '!' || |
| 2806 |
node->value.element.name[0] == '?') |
| 2807 |
{
|
| 2808 |
/*
|
| 2809 |
* The ? and ! elements are special-cases...
|
| 2810 |
*/
|
| 2811 |
|
| 2812 |
if ((*putc_cb)('>', p) < 0) |
| 2813 |
return (-1); |
| 2814 |
else
|
| 2815 |
col ++; |
| 2816 |
|
| 2817 |
col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb); |
| 2818 |
} |
| 2819 |
else
|
| 2820 |
{
|
| 2821 |
if ((*putc_cb)(' ', p) < 0) |
| 2822 |
return (-1); |
| 2823 |
if ((*putc_cb)('/', p) < 0) |
| 2824 |
return (-1); |
| 2825 |
if ((*putc_cb)('>', p) < 0) |
| 2826 |
return (-1); |
| 2827 |
|
| 2828 |
col += 3;
|
| 2829 |
|
| 2830 |
col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb); |
| 2831 |
} |
| 2832 |
break;
|
| 2833 |
|
| 2834 |
case MXML_INTEGER :
|
| 2835 |
if (node->prev)
|
| 2836 |
{
|
| 2837 |
if (global->wrap > 0 && col > global->wrap) |
| 2838 |
{
|
| 2839 |
if ((*putc_cb)('\n', p) < 0) |
| 2840 |
return (-1); |
| 2841 |
|
| 2842 |
col = 0;
|
| 2843 |
} |
| 2844 |
else if ((*putc_cb)(' ', p) < 0) |
| 2845 |
return (-1); |
| 2846 |
else
|
| 2847 |
col ++; |
| 2848 |
} |
| 2849 |
|
| 2850 |
sprintf(s, "%d", node->value.integer);
|
| 2851 |
if (mxml_write_string(s, p, putc_cb) < 0) |
| 2852 |
return (-1); |
| 2853 |
|
| 2854 |
col += strlen(s); |
| 2855 |
break;
|
| 2856 |
|
| 2857 |
case MXML_OPAQUE :
|
| 2858 |
if (mxml_write_string(node->value.opaque, p, putc_cb) < 0) |
| 2859 |
return (-1); |
| 2860 |
|
| 2861 |
col += strlen(node->value.opaque); |
| 2862 |
break;
|
| 2863 |
|
| 2864 |
case MXML_REAL :
|
| 2865 |
if (node->prev)
|
| 2866 |
{
|
| 2867 |
if (global->wrap > 0 && col > global->wrap) |
| 2868 |
{
|
| 2869 |
if ((*putc_cb)('\n', p) < 0) |
| 2870 |
return (-1); |
| 2871 |
|
| 2872 |
col = 0;
|
| 2873 |
} |
| 2874 |
else if ((*putc_cb)(' ', p) < 0) |
| 2875 |
return (-1); |
| 2876 |
else
|
| 2877 |
col ++; |
| 2878 |
} |
| 2879 |
|
| 2880 |
sprintf(s, "%f", node->value.real);
|
| 2881 |
if (mxml_write_string(s, p, putc_cb) < 0) |
| 2882 |
return (-1); |
| 2883 |
|
| 2884 |
col += strlen(s); |
| 2885 |
break;
|
| 2886 |
|
| 2887 |
case MXML_TEXT :
|
| 2888 |
if (node->value.text.whitespace && col > 0) |
| 2889 |
{
|
| 2890 |
if (global->wrap > 0 && col > global->wrap) |
| 2891 |
{
|
| 2892 |
if ((*putc_cb)('\n', p) < 0) |
| 2893 |
return (-1); |
| 2894 |
|
| 2895 |
col = 0;
|
| 2896 |
} |
| 2897 |
else if ((*putc_cb)(' ', p) < 0) |
| 2898 |
return (-1); |
| 2899 |
else
|
| 2900 |
col ++; |
| 2901 |
} |
| 2902 |
|
| 2903 |
if (mxml_write_string(node->value.text.string, p, putc_cb) < 0) |
| 2904 |
return (-1); |
| 2905 |
|
| 2906 |
col += strlen(node->value.text.string); |
| 2907 |
break;
|
| 2908 |
|
| 2909 |
case MXML_CUSTOM :
|
| 2910 |
if (global->custom_save_cb)
|
| 2911 |
{
|
| 2912 |
char *data; /* Custom data string */ |
| 2913 |
const char *newline; /* Last newline in string */ |
| 2914 |
|
| 2915 |
|
| 2916 |
if ((data = (*global->custom_save_cb)(node)) == NULL) |
| 2917 |
return (-1); |
| 2918 |
|
| 2919 |
if (mxml_write_string(data, p, putc_cb) < 0) |
| 2920 |
return (-1); |
| 2921 |
|
| 2922 |
if ((newline = strrchr(data, '\n')) == NULL) |
| 2923 |
col += strlen(data); |
| 2924 |
else
|
| 2925 |
col = strlen(newline); |
| 2926 |
|
| 2927 |
free(data); |
| 2928 |
break;
|
| 2929 |
} |
| 2930 |
|
| 2931 |
default : /* Should never happen */ |
| 2932 |
return (-1); |
| 2933 |
} |
| 2934 |
|
| 2935 |
/*
|
| 2936 |
* Next node...
|
| 2937 |
*/
|
| 2938 |
|
| 2939 |
node = node->next; |
| 2940 |
} |
| 2941 |
|
| 2942 |
return (col);
|
| 2943 |
} |
| 2944 |
|
| 2945 |
|
| 2946 |
/*
|
| 2947 |
* 'mxml_write_string()' - Write a string, escaping & and < as needed.
|
| 2948 |
*/
|
| 2949 |
|
| 2950 |
static int /* O - 0 on success, -1 on failure */ |
| 2951 |
mxml_write_string( |
| 2952 |
const char *s, /* I - String to write */ |
| 2953 |
void *p, /* I - Write pointer */ |
| 2954 |
_mxml_putc_cb_t putc_cb) /* I - Write callback */
|
| 2955 |
{
|
| 2956 |
const char *name; /* Entity name, if any */ |
| 2957 |
|
| 2958 |
|
| 2959 |
while (*s)
|
| 2960 |
{
|
| 2961 |
if ((name = mxmlEntityGetName(*s)) != NULL) |
| 2962 |
{
|
| 2963 |
if ((*putc_cb)('&', p) < 0) |
| 2964 |
return (-1); |
| 2965 |
|
| 2966 |
while (*name)
|
| 2967 |
{
|
| 2968 |
if ((*putc_cb)(*name, p) < 0) |
| 2969 |
return (-1); |
| 2970 |
name ++; |
| 2971 |
} |
| 2972 |
|
| 2973 |
if ((*putc_cb)(';', p) < 0) |
| 2974 |
return (-1); |
| 2975 |
} |
| 2976 |
else if ((*putc_cb)(*s, p) < 0) |
| 2977 |
return (-1); |
| 2978 |
|
| 2979 |
s ++; |
| 2980 |
} |
| 2981 |
|
| 2982 |
return (0); |
| 2983 |
} |
| 2984 |
|
| 2985 |
|
| 2986 |
/*
|
| 2987 |
* 'mxml_write_ws()' - Do whitespace callback...
|
| 2988 |
*/
|
| 2989 |
|
| 2990 |
static int /* O - New column */ |
| 2991 |
mxml_write_ws(mxml_node_t *node, /* I - Current node */
|
| 2992 |
void *p, /* I - Write pointer */ |
| 2993 |
mxml_save_cb_t cb, /* I - Callback function */
|
| 2994 |
int ws, /* I - Where value */ |
| 2995 |
int col, /* I - Current column */ |
| 2996 |
_mxml_putc_cb_t putc_cb) /* I - Write callback */
|
| 2997 |
{
|
| 2998 |
const char *s; /* Whitespace string */ |
| 2999 |
|
| 3000 |
|
| 3001 |
if (cb && (s = (*cb)(node, ws)) != NULL) |
| 3002 |
{
|
| 3003 |
while (*s)
|
| 3004 |
{
|
| 3005 |
if ((*putc_cb)(*s, p) < 0) |
| 3006 |
return (-1); |
| 3007 |
else if (*s == '\n') |
| 3008 |
col = 0;
|
| 3009 |
else if (*s == '\t') |
| 3010 |
{
|
| 3011 |
col += MXML_TAB; |
| 3012 |
col = col - (col % MXML_TAB); |
| 3013 |
} |
| 3014 |
else
|
| 3015 |
col ++; |
| 3016 |
|
| 3017 |
s ++; |
| 3018 |
} |
| 3019 |
} |
| 3020 |
|
| 3021 |
return (col);
|
| 3022 |
} |
| 3023 |
|
| 3024 |
|
| 3025 |
/*
|
| 3026 |
* End of "$Id: mxml-file.c 391 2009-05-17 05:20:52Z mike $".
|
| 3027 |
*/
|