diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/dmixml.c | 140 | ||||
| -rw-r--r-- | src/dmixml.h | 32 |
2 files changed, 172 insertions, 0 deletions
diff --git a/src/dmixml.c b/src/dmixml.c new file mode 100644 index 0000000..434b2e7 --- /dev/null +++ b/src/dmixml.c @@ -0,0 +1,140 @@ +/* + * 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 + * + * For the avoidance of doubt the "preferred form" of this code is one which + * is in an open unpatent encumbered format. Where cryptographic key signing + * forms part of the process of creating an executable the information + * including keys needed to generate an equivalently functional executable + * are deemed to be part of the source code. + */ + +#include <string.h> +#include <stdarg.h> +#include <assert.h> + +#include <libxml/tree.h> +#include <libxml/xmlstring.h> + +// Internal function for dmixml_* functions ... builds up a variable xmlChar* string +xmlChar *dmixml_buildstr(size_t len, const char *fmt, va_list ap) { + xmlChar *ret = NULL, *xmlfmt = NULL; + + ret = (xmlChar *) malloc(len+2); + assert( ret != NULL ); + memset(ret, 0, len+2); + + xmlfmt = xmlCharStrdup(fmt); + assert( xmlfmt != NULL ); + + xmlStrVPrintf(ret, len, xmlfmt, ap); + free(xmlfmt); + + return ret; +} + + +// Adds an XML property/attribute to the given XML node +// +// xmldata_n = "<test/>"; +// dmixml_AddAttribute(xmldata_n, "value", "1234"); +// gives: xmldata_n = "<test value="1234/>" +// + +xmlAttr *dmixml_AddAttribute(xmlNode *node, const char *atrname, const char *fmt, ...) +{ + xmlChar *val_s = NULL, *atrname_s = NULL; + xmlAttr *res = NULL; + va_list ap; + + if( (node == NULL) || (atrname == NULL) || (fmt == NULL) ) { + return NULL; + } + + atrname_s = xmlCharStrdup(atrname); + assert( atrname_s != NULL ); + + va_start(ap, fmt); + val_s = dmixml_buildstr(2048, fmt, ap); + va_end(ap); + + res = xmlNewProp(node, atrname_s, val_s); + + free(atrname_s); + free(val_s); + + assert( res != NULL ); + return res; +} + + +// Adds a new XML tag to the current node with the given tag name and value. +// +// xmldata_n = "<test>"; +// dmixml_AddTextChild(xmldata_n, "sublevel1", "value"); +// gives: xmldata_n = "<test><sublevel1>value</sublevel1></test>" +// +xmlNode *dmixml_AddTextChild(xmlNode *node, const char *tagname, const char *fmt, ...) +{ + xmlChar *val_s = NULL, *tagname_s = NULL; + xmlNode *res = NULL; + va_list ap; + + if( (node == NULL) || (tagname == NULL) || (fmt == NULL) ) { + return NULL; + } + + tagname_s = xmlCharStrdup(tagname); + assert( tagname_s != NULL ); + + va_start(ap, fmt); + val_s = dmixml_buildstr(2048, fmt, ap); + va_end(ap); + + res = xmlNewTextChild(node, NULL, tagname_s, val_s); + + free(tagname_s); + free(val_s); + + assert( res != NULL ); + return res; +} + +// Adds a text node child to the current XML node +// +// xmldata_n = "<testdata/>; +// dmixml_AddTextContent(xmldata_n, "some data value"); +// gives: xmldata_n = "<testdata>some data value</testdata>" +// +xmlNode *dmixml_AddTextContent(xmlNode *node, const char *fmt, ...) +{ + xmlChar *val_s = NULL; + xmlNode *res = NULL; + va_list ap; + + if( (node == NULL) || (fmt == NULL) ) { + return NULL; + } + + va_start(ap, fmt); + val_s = dmixml_buildstr(2048, fmt, ap); + va_end(ap); + + res = xmlAddChild(node, xmlNewText(val_s)); + free(val_s); + + assert( res != NULL ); + return res; +} + diff --git a/src/dmixml.h b/src/dmixml.h new file mode 100644 index 0000000..d7d2716 --- /dev/null +++ b/src/dmixml.h @@ -0,0 +1,32 @@ +/* + * 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 + * + * For the avoidance of doubt the "preferred form" of this code is one which + * is in an open unpatent encumbered format. Where cryptographic key signing + * forms part of the process of creating an executable the information + * including keys needed to generate an equivalently functional executable + * are deemed to be part of the source code. + */ + +#ifndef _XMLHELPER_H +#define _XMLHELPER_H + +#include <stdarg.h> + +xmlAttrNode *dmixml_AddAttribute(xmlNode *node, const char *atrname, const char *fmt, ...); +xmlNode *dmixml_AddTextChild(xmlNode *node, const char *tagname, const char *fmt, ...); +xmlNode *dmixml_AddTextContent(xmlNode *node, const char *fmt, ...); + +#endif |