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Feature: Added super basic logic for namespace based render selecting

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This commit is contained in:
Philipp Schafft 2020-10-04 15:51:29 +00:00
parent b44df0da76
commit c7be3122db
1 changed files with 39 additions and 3 deletions
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42
src/xml2json.c
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@ -14,13 +14,22 @@
#include <config.h>
#endif
#include <string.h>
#include "xml2json.h"
#include "json.h"
#include "logging.h"
#define CATMODULE "xml2json"
static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent)
struct xml2json_cache {
xmlNsPtr ns;
void (*render)(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent, struct xml2json_cache *cache);
};
static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent, struct xml2json_cache *cache);
static void render_node_generic(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent, struct xml2json_cache *cache)
{
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_OBJECT);
@ -82,7 +91,7 @@ static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr nod
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);
render_node(renderer, doc, cur, node, cache);
cur = cur->next;
} while (cur);
json_renderer_end(renderer);
@ -91,8 +100,33 @@ static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr nod
json_renderer_end(renderer);
}
static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent, struct xml2json_cache *cache)
{
void (*render)(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent, struct xml2json_cache *cache) = NULL;
if (node->ns == cache->ns)
render = cache->render;
if (render == NULL) {
if (node->ns) {
render = render_node_generic;
cache->ns = node->ns;
cache->render = render;
}
}
// If nothing found, use generic render.
if (render == NULL)
render = render_node_generic;
render(renderer, doc, node, parent, cache);
}
char * xml2json_render_doc_simple(xmlDocPtr doc)
{
struct xml2json_cache cache;
json_renderer_t *renderer;
xmlNodePtr xmlroot;
@ -107,7 +141,9 @@ char * xml2json_render_doc_simple(xmlDocPtr doc)
if (!xmlroot)
return NULL;
render_node(renderer, doc, xmlroot, NULL);
memset(&cache, 0, sizeof(cache));
render_node(renderer, doc, xmlroot, NULL, &cache);
return json_renderer_finish(&renderer);
}