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Diffstat (limited to 'src/xml-helper.c')
| -rw-r--r-- | src/xml-helper.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/src/xml-helper.c b/src/xml-helper.c new file mode 100644 index 0000000..64934e7 --- /dev/null +++ b/src/xml-helper.c @@ -0,0 +1,254 @@ +/* + * xml-helper.c + * + * + * Authors: + * Richard Hult <rhult@hem.passagen.se> + * Ricardo Markiewicz <rmarkie@fi.uba.ar> + * Andres de Barbara <adebarbara@fi.uba.ar> + * + * Web page: http://arrakis.lug.fi.uba.ar/ + * + * Copyright (C) 1999-2001 Richard Hult + * Copyright (C) 2003,2006 Ricardo Markiewicz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +#include <gnome.h> + +#include "xml-compat.h" +//#include <gnome-xml/parser.h> +//#include <gnome-xml/parserInternals.h> + +#include "xml-helper.h" + +/** + * A modified version of XmlSAXParseFile in gnome-xml. This one lets us set + * the user_data that is passed to the various callbacks, to make it possible + * to avoid lots of global variables. + */ +int oreganoXmlSAXParseFile (xmlSAXHandlerPtr sax, + gpointer user_data, const gchar *filename) +{ + int ret = 0; + xmlParserCtxtPtr ctxt; + + ctxt = xmlCreateFileParserCtxt (filename); + if (ctxt == NULL) return -1; + ctxt->sax = sax; + ctxt->userData = user_data; + +#if defined(LIBXML_VERSION) && LIBXML_VERSION >= 20000 + xmlKeepBlanksDefault(0); +#endif + xmlParseDocument (ctxt); + + if (ctxt->wellFormed) + ret = 0; + else + ret = -1; + if (sax != NULL) + ctxt->sax = NULL; + xmlFreeParserCtxt (ctxt); + + return ret; +} + + +/** + * Set coodinate for a node, carried as the content of a child. + */ +void +xmlSetCoordinate (xmlNodePtr node, const char *name, double x, double y) +{ + xmlNodePtr child; + gchar *str; + xmlChar *ret; + + str = g_strdup_printf ("(%g %g)", x, y); + ret = xmlGetProp (node, BAD_CAST name); + if (ret != NULL){ + xmlSetProp (node, BAD_CAST name, BAD_CAST str); + g_free (str); + return; + } + child = node->childs; + while (child != NULL){ + if (!xmlStrcmp (child->name, BAD_CAST name)){ + xmlNodeSetContent (child, BAD_CAST str); + return; + } + child = child->next; + } + xmlSetProp (node, BAD_CAST name, BAD_CAST str); + g_free (str); +} + + + +/** + * Set coodinates for a node, carried as the content of a child. + */ +void +xmlSetCoordinates (xmlNodePtr node, const char *name, + double x1, double y1, double x2, double y2) +{ + xmlNodePtr child; + gchar *str; + xmlChar *ret; + + str = g_strdup_printf ("(%g %g)(%g %g)", x1, y1, x2, y2); + ret = xmlGetProp (node, BAD_CAST name); + if (ret != NULL){ + xmlSetProp (node, BAD_CAST name, BAD_CAST str); + g_free (str); + return; + } + child = node->childs; + while (child != NULL){ + if (!xmlStrcmp (child->name, BAD_CAST name)){ + xmlNodeSetContent (child, BAD_CAST str); + return; + } + child = child->next; + } + xmlSetProp (node, BAD_CAST name, BAD_CAST str); + g_free (str); +} + + +/** + * Set a string value for a node either carried as an attibute or as + * the content of a child. + */ +void +xmlSetGnomeCanvasPoints (xmlNodePtr node, const char *name, + GnomeCanvasPoints *val) +{ + xmlNodePtr child; + char *str, *base; + int i; + + if (val == NULL) + return; + if ((val->num_points < 0) || (val->num_points > 5000)) + return; + base = str = g_malloc (val->num_points * 30 * sizeof (char)); + if (str == NULL) + return; + for (i = 0; i < val->num_points; i++){ + str += sprintf (str, "(%g %g)", val->coords[2 * i], + val->coords[2 * i + 1]); + } + + child = node->childs; + while (child != NULL){ + if (!xmlStrcmp (child->name, BAD_CAST name)){ + xmlNodeSetContent (child, BAD_CAST base); + free (base); + return; + } + child = child->next; + } + xmlNewChild (node, NULL, BAD_CAST name, + xmlEncodeEntitiesReentrant(node->doc, BAD_CAST base)); + g_free (base); +} + + +/** + * Set a string value for a node either carried as an attibute or as + * the content of a child. + */ +void +xmlSetValue (xmlNodePtr node, const char *name, const char *val) +{ + xmlChar *ret; + xmlNodePtr child; + + ret = xmlGetProp (node, BAD_CAST name); + if (ret != NULL){ + xmlSetProp (node, BAD_CAST name, BAD_CAST val); + return; + } + child = node->childs; + while (child != NULL){ + if (!xmlStrcmp (child->name, BAD_CAST name)){ + xmlNodeSetContent (child, BAD_CAST val); + return; + } + child = child->next; + } + xmlSetProp (node, BAD_CAST name, BAD_CAST val); +} + +/** + * Set an integer value for a node either carried as an attibute or as + * the content of a child. + */ +void +xmlSetIntValue (xmlNodePtr node, const char *name, int val) +{ + xmlChar *ret; + xmlNodePtr child; + char str[101]; + + snprintf (str, 100, "%d", val); + ret = xmlGetProp (node,BAD_CAST name); + if (ret != NULL){ + xmlSetProp (node, BAD_CAST name, BAD_CAST str); + return; + } + child = node->childs; + while (child != NULL){ + if (!xmlStrcmp (child->name, BAD_CAST name)){ + xmlNodeSetContent (child, BAD_CAST str); + return; + } + child = child->next; + } + xmlSetProp (node, BAD_CAST name, BAD_CAST str); +} + + +/** + * Set a double value for a node either carried as an attibute or as + * the content of a child. + */ +void +xmlSetDoubleValue (xmlNodePtr node, const char *name, double val) +{ + xmlChar *ret; + xmlNodePtr child; + char str[101]; + + snprintf (str, 100, "%g", (float) val); + ret = xmlGetProp (node, BAD_CAST name); + if (ret != NULL){ + xmlSetProp (node, BAD_CAST name, BAD_CAST str); + return; + } + child = node->childs; + while (child != NULL){ + if (!xmlStrcmp (child->name, BAD_CAST name)){ + xmlNodeSetContent (child, BAD_CAST str); + return; + } + child = child->next; + } + xmlSetProp (node, BAD_CAST name, BAD_CAST str); +} + |