kc3-lang/libxml2/doc/tutorial/includeconvert.c

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• Hash : bd3b4fd1
  Author :
  Date : 2002-11-11T03:41:11
  

  Adding encoding discussion to tutorial Added: DocBook admonition image
  
  
  Sun Nov 10 20:33:13 MST 2002 John Fleck  <jfleck@inkstain.net>
  
  	Adding encoding discussion to tutorial
  	Added:
  	* doc/tutorial/images/*.png: DocBook admonition image files
  	* doc/tutorial/apf.html, apg.html: new generated html
  	* doc/tutorial/includeconvert.c: conversion code entity file
  	changed:
  	* doc/tutorial/xmltutorial.xml: DocBook original
  	* doc/tutorial/*.html: generated html
  

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• doc/tutorial/includeconvert.c

• <![CDATA[
  #include <string.h>
  #include <libxml/parser.h>
  
  
  unsigned char*
  convert (unsigned char *in, char *encoding)
  {
  	unsigned char *out;
          int ret,size,out_size,temp;
          xmlCharEncodingHandlerPtr handler;
  
          size = (int)strlen(in)+1; 
          out_size = size*2-1; 
          out = malloc((size_t)out_size); 
  
          if (out) {
                  handler = xmlFindCharEncodingHandler(encoding);
                  
                  if (!handler) {
                          free(out);
                          out = NULL;
                  }
          }
          if (out) {
                  temp=size-1;
                  ret = handler->input(out, &out_size, in, &temp);
                  if (ret || temp-size+1) {
                          if (ret) {
                                  printf("conversion wasn't successful.\n");
                          } else {
                                  printf("conversion wasn't successful. converted: %i octets.\n",temp);
                          }
                          free(out);
                          out = NULL;
                  } else {
                          out = realloc(out,out_size+1); 
                          out[out_size]=0; /*null terminating out*/
                          
                  }
          } else {
                  printf("no mem\n");
          }
          return (out);
  }	
  
  
  int
  main(int argc, char **argv) {
  
  	unsigned char *content, *out;
  	xmlDocPtr doc;
  	xmlNodePtr rootnode;
  	char *encoding = "ISO-8859-1";
  	
  		
  	if (argc <= 1) {
  		printf("Usage: %s content\n", argv[0]);
  		return(0);
  	}
  
  	content = argv[1];
  
  	out = convert(content, encoding);
  
  	doc = xmlNewDoc ("1.0");
  	rootnode = xmlNewDocNode(doc, NULL, (const xmlChar*)"root", out);
  	xmlDocSetRootElement(doc, rootnode);
  
  	xmlSaveFormatFileEnc("-", doc, encoding, 1);
  	return (1);
  }
  ]]>
  

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