root / logic / trunk / src / mxml / mxml-private.c @ 61
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/*
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* "$Id: mxml-private.c 315 2007-11-22 18:01:52Z mike $"
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*
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* Private functions for Mini-XML, a small XML-like file parsing library.
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*
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* Copyright 2003-2007 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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* mxml_error() - Display an error message.
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* mxml_integer_cb() - Default callback for integer values.
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* mxml_opaque_cb() - Default callback for opaque values.
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* mxml_real_cb() - Default callback for real number values.
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* _mxml_global() - Get global data.
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*/
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/*
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* Include necessary headers...
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*/
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#include "mxml-private.h" |
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/*
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* 'mxml_error()' - Display an error message.
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*/
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void
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mxml_error(const char *format, /* I - Printf-style format string */ |
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...) /* I - Additional arguments as needed */
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{ |
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va_list ap; /* Pointer to arguments */
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char s[1024]; /* Message string */ |
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_mxml_global_t *global = _mxml_global(); |
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/* Global data */
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/*
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* Range check input...
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*/
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if (!format)
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return;
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/*
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* Format the error message string...
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*/
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va_start(ap, format); |
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vsnprintf(s, sizeof(s), format, ap);
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va_end(ap); |
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/*
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* And then display the error message...
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*/
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if (global->error_cb)
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(*global->error_cb)(s); |
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else
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fprintf(stderr, "mxml: %s\n", s);
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} |
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/*
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* 'mxml_ignore_cb()' - Default callback for ignored values.
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*/
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mxml_type_t /* O - Node type */
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mxml_ignore_cb(mxml_node_t *node) /* I - Current node */
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{ |
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(void)node;
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return (MXML_IGNORE);
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} |
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/*
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* 'mxml_integer_cb()' - Default callback for integer values.
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*/
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mxml_type_t /* O - Node type */
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mxml_integer_cb(mxml_node_t *node) /* I - Current node */
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{ |
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(void)node;
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return (MXML_INTEGER);
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} |
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/*
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* 'mxml_opaque_cb()' - Default callback for opaque values.
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*/
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mxml_type_t /* O - Node type */
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mxml_opaque_cb(mxml_node_t *node) /* I - Current node */
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{ |
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(void)node;
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return (MXML_OPAQUE);
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} |
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/*
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* 'mxml_real_cb()' - Default callback for real number values.
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*/
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mxml_type_t /* O - Node type */
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mxml_real_cb(mxml_node_t *node) /* I - Current node */
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{ |
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(void)node;
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return (MXML_REAL);
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} |
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#ifdef HAVE_PTHREAD_H /**** POSIX threading ****/ |
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# include <pthread.h> |
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static pthread_key_t _mxml_key = -1; /* Thread local storage key */ |
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static pthread_once_t _mxml_key_once = PTHREAD_ONCE_INIT;
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/* One-time initialization object */
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static void _mxml_init(void); |
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static void _mxml_destructor(void *g); |
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/*
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* '_mxml_global()' - Get global data.
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*/
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_mxml_global_t * /* O - Global data */
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_mxml_global(void)
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{ |
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_mxml_global_t *global; /* Global data */
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pthread_once(&_mxml_key_once, _mxml_init); |
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if ((global = (_mxml_global_t *)pthread_getspecific(_mxml_key)) == NULL) |
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{ |
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global = (_mxml_global_t *)calloc(1, sizeof(_mxml_global_t)); |
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pthread_setspecific(_mxml_key, global); |
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global->num_entity_cbs = 1;
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global->entity_cbs[0] = _mxml_entity_cb;
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global->wrap = 72;
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} |
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return (global);
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} |
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/*
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* '_mxml_init()' - Initialize global data...
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*/
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static void |
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_mxml_init(void)
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{ |
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pthread_key_create(&_mxml_key, _mxml_destructor); |
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} |
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/*
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* '_mxml_destructor()' - Free memory used for globals...
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*/
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static void |
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_mxml_destructor(void *g) /* I - Global data */ |
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{ |
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free(g); |
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} |
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#elif defined(WIN32) /**** WIN32 threading ****/ |
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# include <windows.h> |
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static DWORD _mxml_tls_index; /* Index for global storage */ |
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/*
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* 'DllMain()' - Main entry for library.
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*/
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BOOL WINAPI /* O - Success/failure */
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DllMain(HINSTANCE hinst, /* I - DLL module handle */
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DWORD reason, /* I - Reason */
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LPVOID reserved) /* I - Unused */
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{ |
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_mxml_global_t *global; /* Global data */
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(void)hinst;
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(void)reserved;
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switch (reason)
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{ |
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case DLL_PROCESS_ATTACH : /* Called on library initialization */ |
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if ((_mxml_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES)
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return (FALSE);
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break;
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case DLL_THREAD_DETACH : /* Called when a thread terminates */ |
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if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) != NULL) |
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free(global); |
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break;
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case DLL_PROCESS_DETACH : /* Called when library is unloaded */ |
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if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) != NULL) |
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free(global); |
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TlsFree(_mxml_tls_index); |
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break;
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default:
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break;
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} |
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return (TRUE);
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} |
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/*
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* '_mxml_global()' - Get global data.
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*/
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_mxml_global_t * /* O - Global data */
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_mxml_global(void)
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{ |
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_mxml_global_t *global; /* Global data */
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if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) == NULL) |
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{ |
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global = (_mxml_global_t *)calloc(1, sizeof(_mxml_global_t)); |
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global->num_entity_cbs = 1;
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global->entity_cbs[0] = _mxml_entity_cb;
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global->wrap = 72;
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TlsSetValue(_mxml_tls_index, (LPVOID)global); |
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} |
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return (global);
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} |
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#else /**** No threading ****/ |
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/*
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* '_mxml_global()' - Get global data.
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*/
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_mxml_global_t * /* O - Global data */
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_mxml_global(void)
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{ |
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static _mxml_global_t global = /* Global data */ |
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{ |
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NULL, /* error_cb */ |
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1, /* num_entity_cbs */ |
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{ _mxml_entity_cb }, /* entity_cbs */
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72, /* wrap */ |
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NULL, /* custom_load_cb */ |
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NULL /* custom_save_cb */ |
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}; |
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return (&global);
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} |
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#endif /* HAVE_PTHREAD_H */ |
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/*
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* End of "$Id: mxml-private.c 315 2007-11-22 18:01:52Z mike $".
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*/
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