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Feature: Added a basic outline of how converting could happen with a first generic mapping format

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This commit is contained in:
Philipp Schafft 2020-10-04 15:30:50 +00:00
parent 395b994707
commit 731ac5c8e6
2 changed files with 96 additions and 0 deletions
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92
src/xml2json.c
View File

@ -19,3 +19,95 @@
#include "logging.h"
#define CATMODULE "xml2json"
static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent)
{
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_OBJECT);
json_renderer_write_key(renderer, "type", JSON_RENDERER_FLAGS_NONE);
switch (node->type) {
case XML_ELEMENT_NODE:
json_renderer_write_string(renderer, "element", JSON_RENDERER_FLAGS_NONE);
if (node->name) {
json_renderer_write_key(renderer, "name", JSON_RENDERER_FLAGS_NONE);
json_renderer_write_string(renderer, (const char *)node->name, JSON_RENDERER_FLAGS_NONE);
}
break;
case XML_TEXT_NODE:
json_renderer_write_string(renderer, "text", JSON_RENDERER_FLAGS_NONE);
break;
case XML_COMMENT_NODE:
json_renderer_write_string(renderer, "comment", JSON_RENDERER_FLAGS_NONE);
break;
default:
json_renderer_write_null(renderer);
break;
}
if (node->content) {
json_renderer_write_key(renderer, "text", JSON_RENDERER_FLAGS_NONE);
json_renderer_write_string(renderer, (const char *)node->content, JSON_RENDERER_FLAGS_NONE);
}
json_renderer_write_key(renderer, "ns", JSON_RENDERER_FLAGS_NONE);
if (node->ns && node->ns->href) {
json_renderer_write_string(renderer, (const char *)node->ns->href, JSON_RENDERER_FLAGS_NONE);
if (node->ns->prefix) {
json_renderer_write_key(renderer, "nsprefix", JSON_RENDERER_FLAGS_NONE);
json_renderer_write_string(renderer, (const char *)node->ns->prefix, JSON_RENDERER_FLAGS_NONE);
}
} else {
json_renderer_write_null(renderer);
}
if (node->properties) {
xmlAttrPtr cur = node->properties;
json_renderer_write_key(renderer, "properties", JSON_RENDERER_FLAGS_NONE);
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_OBJECT);
do {
xmlChar *value = xmlNodeListGetString(doc, cur->children, 1);
if (value) {
json_renderer_write_key(renderer, (const char*)cur->name, JSON_RENDERER_FLAGS_NONE);
json_renderer_write_string(renderer, (const char*)value, JSON_RENDERER_FLAGS_NONE);
xmlFree(value);
}
} while ((cur = cur->next));
json_renderer_end(renderer);
}
if (node->xmlChildrenNode) {
xmlNodePtr cur = node->xmlChildrenNode;
json_renderer_write_key(renderer, "children", JSON_RENDERER_FLAGS_NONE);
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_ARRAY);
do {
render_node(renderer, doc, cur, node);
cur = cur->next;
} while (cur);
json_renderer_end(renderer);
}
json_renderer_end(renderer);
}
char * xml2json_render_doc_simple(xmlDocPtr doc)
{
json_renderer_t *renderer;
xmlNodePtr xmlroot;
if (!doc)
return NULL;
renderer = json_renderer_create(JSON_RENDERER_FLAGS_NONE);
if (!renderer)
return NULL;
xmlroot = xmlDocGetRootElement(doc);
if (!xmlroot)
return NULL;
render_node(renderer, doc, xmlroot, NULL);
return json_renderer_finish(&renderer);
}

4
src/xml2json.h
View File

@ -11,4 +11,8 @@
#ifndef __XML2JSON_H__
#define __XML2JSON_H__
#include <libxml/tree.h>
char * xml2json_render_doc_simple(xmlDocPtr doc);
#endif