/*
	Use to walk the output generated by nacom
	(from the linuxconf-tool package)
*/
#include <stdlib.h>
#include <string.h>
#include <libxml/parser.h>
#include "tledit.h"
#include <tlmplib.h>
#include "component.h"
#include "tledit.m"

static const unsigned char K_SECTION[]="section";
static const unsigned char K_NAME[]="name";
static const unsigned char K_SPEC[]="spec";
static const unsigned char K_SRCFILE[]="srcfile";
static const unsigned char K_LINE[]="line";
static const unsigned char K_KEY[]="key";
static const unsigned char K_SOURCE[]="source";


static char *spec_getcontent(
	xmlNodePtr cur,
	const unsigned char *key)
{
	char *ret = NULL;
	xmlNodePtr sub = cur->xmlChildrenNode;
	while (sub != NULL){
		if (xmlStrcmp(sub->name,key)==0){
			ret = (char *)xmlNodeGetContent(sub);
			break;
		}
		sub = sub->next;
	}
	return ret;
}



static void spec_walk (_F_spec_walk &c, xmlNodePtr cur, const char *section)
{
	bool end = false;
	while (!end && cur != NULL){
		if (xmlStrcmp(cur->name,K_SECTION)==0){
			char *name  = (char *)xmlGetProp(cur,K_NAME);
			xmlNodePtr sub = cur->xmlChildrenNode;
			spec_walk (c,sub,name);
			free (name);
		}else if (xmlStrcmp(cur->name,K_SPEC)==0){
			char *key  = (char *)xmlGetProp(cur,K_KEY);
			char *line = (char *)xmlGetProp(cur,K_LINE);
			char *src  = (char *)xmlGetProp(cur,K_SRCFILE);
			char *text = spec_getcontent (cur,K_SOURCE);
			c.onespec (key,src,text,atoi(line),section,end);
			free (key);
			free (line);
			free (src);
			free (text);
		}
		cur = cur->next;
	}
}



int spec_walk (_F_spec_walk &c, const char *fname)
{
	int ret = -1;
	c.priv = NULL;
	xmlDocPtr doc = xmlParseFile(fname);
	if (doc != NULL){
		ret = 0;
		xmlNodePtr cur = xmlDocGetRootElement(doc);
		spec_walk (c,cur,"");
		xmlFreeDoc(doc);
	}
	return ret;
}