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00024 #ifdef HAVE_CONFIG_H
00025 #include <config.h>
00026 #endif
00027 #include <gimp-print/gimp-print.h>
00028 #include "gimp-print-internal.h"
00029 #include <gimp-print/gimp-print-intl-internal.h>
00030 #include <assert.h>
00031 #include <ctype.h>
00032 #include <stdio.h>
00033 #include <stdlib.h>
00034 #include <string.h>
00035 #include <math.h>
00036 #include <errno.h>
00037 #ifdef HAVE_LIMITS_H
00038 #include <limits.h>
00039 #endif
00040 #if defined(HAVE_VARARGS_H) && !defined(HAVE_STDARG_H)
00041 #include <varargs.h>
00042 #else
00043 #include <stdarg.h>
00044 #endif
00045
00046 typedef struct
00047 {
00048 char *name;
00049 stp_xml_parse_func parse_func;
00050 } stpi_xml_parse_registry;
00051
00052 static stp_list_t *stpi_xml_registry;
00053
00054 static stp_list_t *stpi_xml_preloads;
00055
00056 static const char *
00057 xml_registry_namefunc(const void *item)
00058 {
00059 const stpi_xml_parse_registry *xmlp = (const stpi_xml_parse_registry *) item;
00060 return xmlp->name;
00061 }
00062
00063 static void
00064 xml_registry_freefunc(void *item)
00065 {
00066 stpi_xml_parse_registry *xmlp = (stpi_xml_parse_registry *) item;
00067 stp_free(xmlp->name);
00068 stp_free(xmlp);
00069 }
00070
00071 static const char *
00072 xml_preload_namefunc(const void *item)
00073 {
00074 return (const char *) item;
00075 }
00076
00077 static void
00078 xml_preload_freefunc(void *item)
00079 {
00080 stp_free(item);
00081 }
00082
00083 void
00084 stp_register_xml_parser(const char *name, stp_xml_parse_func parse_func)
00085 {
00086 stpi_xml_parse_registry *xmlp;
00087 stp_list_item_t *item = stp_list_get_item_by_name(stpi_xml_registry, name);
00088 if (item)
00089 xmlp = (stpi_xml_parse_registry *) stp_list_item_get_data(item);
00090 else
00091 {
00092 xmlp = stp_malloc(sizeof(stpi_xml_parse_registry));
00093 xmlp->name = stp_strdup(name);
00094 stp_list_item_create(stpi_xml_registry, NULL, xmlp);
00095 }
00096 xmlp->parse_func = parse_func;
00097 }
00098
00099 void
00100 stp_unregister_xml_parser(const char *name)
00101 {
00102 stp_list_item_t *item = stp_list_get_item_by_name(stpi_xml_registry, name);
00103 if (item)
00104 stp_list_item_destroy(stpi_xml_registry, item);
00105 }
00106
00107 void
00108 stp_register_xml_preload(const char *filename)
00109 {
00110 stp_list_item_t *item = stp_list_get_item_by_name(stpi_xml_preloads, filename);
00111 if (!item)
00112 {
00113 char *the_filename = stp_strdup(filename);
00114 stp_list_item_create(stpi_xml_preloads, NULL, the_filename);
00115 }
00116 }
00117
00118 void
00119 stp_unregister_xml_preload(const char *name)
00120 {
00121 stp_list_item_t *item = stp_list_get_item_by_name(stpi_xml_preloads, name);
00122 if (item)
00123 stp_list_item_destroy(stpi_xml_preloads, item);
00124 }
00125
00126
00127 static void stpi_xml_process_gimpprint(stp_mxml_node_t *gimpprint, const char *file);
00128
00129 static char *saved_lc_collate;
00130 static char *saved_lc_ctype;
00131 static char *saved_lc_numeric;
00132 static int xml_is_initialised;
00133
00134 void
00135 stp_xml_preinit(void)
00136 {
00137 static int xml_is_preinitialized = 0;
00138 if (!xml_is_preinitialized)
00139 {
00140 stpi_xml_registry = stp_list_create();
00141 stp_list_set_freefunc(stpi_xml_registry, xml_registry_freefunc);
00142 stp_list_set_namefunc(stpi_xml_registry, xml_registry_namefunc);
00143 stpi_xml_preloads = stp_list_create();
00144 stp_list_set_freefunc(stpi_xml_preloads, xml_preload_freefunc);
00145 stp_list_set_namefunc(stpi_xml_preloads, xml_preload_namefunc);
00146 }
00147 }
00148
00149
00150
00151
00152
00153
00154 void
00155 stp_xml_init(void)
00156 {
00157 if (xml_is_initialised >= 1)
00158 {
00159 xml_is_initialised++;
00160 return;
00161 }
00162
00163
00164 saved_lc_collate = setlocale(LC_COLLATE, "C");
00165 saved_lc_ctype = setlocale(LC_CTYPE, "C");
00166 saved_lc_numeric = setlocale(LC_NUMERIC, "C");
00167
00168 xml_is_initialised = 1;
00169 }
00170
00171
00172
00173
00174
00175 void
00176 stp_xml_exit(void)
00177 {
00178 if (xml_is_initialised > 1)
00179 {
00180 xml_is_initialised--;
00181 return;
00182 }
00183 else if (xml_is_initialised < 1)
00184 return;
00185
00186
00187 setlocale(LC_COLLATE, saved_lc_collate);
00188 setlocale(LC_CTYPE, saved_lc_ctype);
00189 setlocale(LC_NUMERIC, saved_lc_numeric);
00190 xml_is_initialised = 0;
00191 }
00192
00193 void
00194 stp_xml_parse_file_named(const char *name)
00195 {
00196 stp_list_t *dir_list;
00197 stp_list_t *file_list;
00198 stp_list_item_t *item;
00199 if (!(dir_list = stp_list_create()))
00200 return;
00201 stp_list_set_freefunc(dir_list, stp_list_node_free_data);
00202 if (getenv("STP_DATA_PATH"))
00203 stp_path_split(dir_list, getenv("STP_DATA_PATH"));
00204 else
00205 stp_path_split(dir_list, PKGXMLDATADIR);
00206 file_list = stp_path_search(dir_list, name);
00207 stp_list_destroy(dir_list);
00208 item = stp_list_get_start(file_list);
00209 while (item)
00210 {
00211 stp_deprintf(STP_DBG_XML,
00212 "stp_xml_parse_file_named: source file: %s\n",
00213 (const char *) stp_list_item_get_data(item));
00214 stp_xml_parse_file((const char *) stp_list_item_get_data(item));
00215 item = stp_list_item_next(item);
00216 }
00217 stp_list_destroy(file_list);
00218 }
00219
00220
00221
00222
00223
00224 int
00225 stp_xml_init_defaults(void)
00226 {
00227 stp_list_item_t *item;
00228
00229 stp_xml_init();
00230
00231
00232 item = stp_list_get_start(stpi_xml_preloads);
00233 while (item)
00234 {
00235 stp_deprintf(STP_DBG_XML, "stp_xml_init_defaults: source file: %s\n",
00236 (const char *) stp_list_item_get_data(item));
00237 stp_xml_parse_file_named((const char *) stp_list_item_get_data(item));
00238 item = stp_list_item_next(item);
00239 }
00240 stp_list_destroy(stpi_xml_preloads);
00241
00242 stp_xml_exit();
00243
00244 return 0;
00245 }
00246
00247
00248
00249
00250
00251 int
00252 stp_xml_parse_file(const char *file)
00253 {
00254 stp_mxml_node_t *doc;
00255 stp_mxml_node_t *cur;
00256 FILE *fp;
00257
00258 stp_deprintf(STP_DBG_XML, "stp_xml_parse_file: reading `%s'...\n", file);
00259
00260 fp = fopen(file, "r");
00261 if (!fp)
00262 {
00263 stp_erprintf("stp_xml_parse_file: unable to open %s: %s\n", file,
00264 strerror(errno));
00265 return 1;
00266 }
00267
00268 stp_xml_init();
00269
00270 doc = stp_mxmlLoadFile(NULL, fp, STP_MXML_NO_CALLBACK);
00271 fclose(fp);
00272
00273 cur = doc->child;
00274 while (cur &&
00275 (cur->type != STP_MXML_ELEMENT ||
00276 strcmp(cur->value.element.name, "gimp-print") != 0))
00277 cur = cur->next;
00278
00279 if (cur == NULL || cur->type != STP_MXML_ELEMENT)
00280 {
00281 stp_erprintf("stp_xml_parse_file: %s: parse error\n", file);
00282 stp_mxmlDelete(doc);
00283 return 1;
00284 }
00285
00286 if (strcmp(cur->value.element.name, "gimp-print") != 0)
00287 {
00288 stp_erprintf
00289 ("XML file of the wrong type, root node is %s != gimp-print",
00290 cur->value.element.name);
00291 stp_mxmlDelete(doc);
00292 return 1;
00293 }
00294
00295
00296
00297 stpi_xml_process_gimpprint(cur, file);
00298 stp_mxmlDelete(doc);
00299
00300 stp_xml_exit();
00301
00302 return 0;
00303 }
00304
00305
00306
00307
00308 long
00309 stp_xmlstrtol(const char *textval)
00310 {
00311 long val;
00312 val = strtol(textval, (char **)NULL, 10);
00313
00314 return val;
00315 }
00316
00317
00318
00319
00320 unsigned long
00321 stp_xmlstrtoul(const char *textval)
00322 {
00323 unsigned long val;
00324 val = strtoul(textval, (char **)NULL, 10);
00325
00326 return val;
00327 }
00328
00329
00330
00331
00332 double
00333 stp_xmlstrtod(const char *textval)
00334 {
00335 double val;
00336 val = strtod(textval, (char **)NULL);
00337
00338 return val;
00339 }
00340
00341
00342
00343
00344
00345
00346
00347
00348
00349 stp_mxml_node_t *
00350 stp_xml_get_node(stp_mxml_node_t *xmlroot, ...)
00351 {
00352 stp_mxml_node_t *child;
00353 va_list ap;
00354 const char *target = NULL;
00355
00356 va_start(ap, xmlroot);
00357
00358 child = xmlroot;
00359 target = va_arg(ap, const char *);
00360
00361 while (target && child)
00362 {
00363 child = stp_mxmlFindElement(child, child, target, NULL, NULL, STP_MXML_DESCEND);
00364 target = va_arg(ap, const char *);
00365 }
00366 va_end(ap);
00367 return child;
00368 }
00369
00370 static void
00371 stpi_xml_process_node(stp_mxml_node_t *node, const char *file)
00372 {
00373 stp_list_item_t *item =
00374 stp_list_get_item_by_name(stpi_xml_registry, node->value.element.name);
00375 if (item)
00376 {
00377 stpi_xml_parse_registry *xmlp =
00378 (stpi_xml_parse_registry *) stp_list_item_get_data(item);
00379 (xmlp->parse_func)(node, file);
00380 }
00381 }
00382
00383
00384
00385
00386 static void
00387 stpi_xml_process_gimpprint(stp_mxml_node_t *cur, const char *file)
00388 {
00389 stp_mxml_node_t *child;
00390
00391 child = cur->child;
00392 while (child)
00393 {
00394
00395 if (child->type == STP_MXML_ELEMENT)
00396 stpi_xml_process_node(child, file);
00397 child = child->next;
00398 }
00399 }
00400
00401
00402
00403
00404 stp_mxml_node_t *
00405 stp_xmldoc_create_generic(void)
00406 {
00407 stp_mxml_node_t *doc;
00408 stp_mxml_node_t *rootnode;
00409
00410
00411 doc = stp_mxmlNewElement(NULL, "?xml");
00412 stp_mxmlElementSetAttr(doc, "version", "1.0");
00413
00414 rootnode = stp_mxmlNewElement(doc, "gimp-print");
00415 stp_mxmlElementSetAttr
00416 (rootnode, "xmlns", "http://gimp-print.sourceforge.net/xsd/gp.xsd-1.0");
00417 stp_mxmlElementSetAttr
00418 (rootnode, "xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
00419 stp_mxmlElementSetAttr
00420 (rootnode, "xsi:schemaLocation",
00421 "http://gimp-print.sourceforge.net/xsd/gp.xsd-1.0 gimpprint.xsd");
00422
00423 return doc;
00424 }
00425
00426
00427