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Feature: Added a renderer for <iceresponse>-style XML

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This commit is contained in:
Philipp Schafft 2020-10-07 11:56:58 +00:00
parent 6fc7f21a11
commit 236c0dfa56
1 changed files with 98 additions and 1 deletions
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99
src/xml2json.c
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@ -19,6 +19,9 @@
#include "xml2json.h" #include "xml2json.h"
#include "json.h" #include "json.h"
/* For XMLSTR() */
#include "cfgfile.h"
#include "logging.h" #include "logging.h"
#define CATMODULE "xml2json" #define CATMODULE "xml2json"
@ -29,6 +32,98 @@ struct xml2json_cache {
}; };
static void render_node(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);
static void render_node_legacyresponse(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr node, xmlNodePtr parent, struct xml2json_cache *cache)
{
int handled = 0;
if (node->type == XML_ELEMENT_NODE) {
const char *nodename = (const char *)node->name;
handled = 1;
if (strcmp(nodename, "iceresponse") == 0) {
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_OBJECT);
if (node->xmlChildrenNode) {
xmlNodePtr cur = node->xmlChildrenNode;
do {
int handled_child = 1;
if (cur->type == XML_ELEMENT_NODE && cur->name) {
if (strcmp((const char *)cur->name, "message") == 0) {
xmlChar *value = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
if (value) {
json_renderer_write_key(renderer, "message", JSON_RENDERER_FLAGS_NONE);
json_renderer_write_string(renderer, (const char*)value, JSON_RENDERER_FLAGS_NONE);
xmlFree(value);
}
} else if (strcmp((const char *)cur->name, "return") == 0) {
xmlChar *value = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
if (value) {
json_renderer_write_key(renderer, "success", JSON_RENDERER_FLAGS_NONE);
json_renderer_write_boolean(renderer, strcmp((const char *)value, "1") == 0);
xmlFree(value);
}
} else if (strcmp((const char *)cur->name, "modules") == 0) {
json_renderer_write_key(renderer, "modules", JSON_RENDERER_FLAGS_NONE);
render_node(renderer, doc, cur, node, cache);
} else {
handled_child = 0;
}
} else {
handled_child = 0;
}
if (!handled_child) {
json_renderer_write_key(renderer, "unhandled-child", JSON_RENDERER_FLAGS_NONE);
render_node(renderer, doc, cur, node, cache);
}
cur = cur->next;
} while (cur);
}
json_renderer_end(renderer);
} else if (strcmp(nodename, "modules") == 0) {
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_OBJECT);
if (node->xmlChildrenNode) {
xmlNodePtr cur = node->xmlChildrenNode;
do {
if (cur->type == XML_ELEMENT_NODE && cur->name && strcmp((const char *)cur->name, "module") == 0) {
xmlChar *name = xmlGetProp(cur, XMLSTR("name"));
if (name) {
json_renderer_write_key(renderer, (const char *)name, JSON_RENDERER_FLAGS_NONE);
json_renderer_begin(renderer, JSON_ELEMENT_TYPE_OBJECT);
if (node->properties) {
xmlAttrPtr prop = node->properties;
do {
xmlChar *value = xmlNodeListGetString(doc, prop->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 ((prop = prop->next));
}
json_renderer_end(renderer);
xmlFree(name);
}
} else {
json_renderer_write_key(renderer, "unhandled-child", JSON_RENDERER_FLAGS_NONE);
render_node(renderer, doc, cur, node, cache);
}
cur = cur->next;
} while (cur);
}
json_renderer_end(renderer);
} else {
handled = 0;
}
}
if (!handled)
render_node_generic(renderer, doc, node, parent, cache);
}
static void render_node_generic(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)
{ {
@ -116,7 +211,9 @@ static void render_node(json_renderer_t *renderer, xmlDocPtr doc, xmlNodePtr nod
href = (const char *)node->ns->href; href = (const char *)node->ns->href;
if (href) { if (href) {
// TODO: Select alternative renderer here. if (strcmp(href, "http://icecast.org/specs/legacyresponse-0.0.1") == 0) {
render = render_node_legacyresponse;
}
} }
if (render == NULL) if (render == NULL)