mangareader/mangafox.c

116 lines
2.8 KiB
C
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#include <stdio.h>
#include <libsoup/soup.h>
#include <manga.h>
#include <libxml/HTMLparser.h>
#include <libxml/xpath.h>
const char *mangafox_url =
"https://mangafox.fun";
struct Manga *
parse_main_mangafox_page (
const xmlDocPtr html_document,
const size_t *size);
xmlXPathObjectPtr
get_nodes_xpath_expression (
const xmlDocPtr document,
char *xpath);
char *
get_request (const char *url, gsize *size_response_text);
void
retrieve_mangafox_title () {
xmlDocPtr html_response;
gsize *size_response_text = malloc (sizeof (gsize));
char *response_text = get_request (mangafox_url,
size_response_text);
html_response = htmlReadMemory (response_text,
*size_response_text,
NULL,
NULL,
HTML_PARSE_RECOVER | HTML_PARSE_NODEFDTD
| HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING
);
size_t manga_size;
parse_main_mangafox_page (html_response, &manga_size);
free (response_text);
}
char *
get_request (const char *url, gsize *size_response_text) {
SoupSession *soup_session;
SoupMessage *msg;
GValue response = G_VALUE_INIT;
guint status;
*size_response_text = 0;
g_value_init (&response, G_TYPE_BYTES);
soup_session = soup_session_new ();
msg = soup_message_new ("GET", url);
status = soup_session_send_message (soup_session, msg);
g_object_get_property(
G_OBJECT (msg),
"response-body-data",
&response);
printf("%u\n", status);
const char *html_response = g_bytes_get_data ((GBytes *)
g_value_peek_pointer (&response),
size_response_text);
char *return_value = g_strndup (html_response, *size_response_text);
g_value_unset (&response);
g_object_unref (soup_session);
g_object_unref (msg);
return return_value;
}
struct Manga *
parse_main_mangafox_page (const xmlDocPtr html_document,
const size_t *size) {
xmlIndentTreeOutput = 1;
xmlXPathObjectPtr xpath_result = get_nodes_xpath_expression (html_document,
"//div[@class]");
if (!xpath_result) {
fprintf(stderr, "Empty xpath result\n");
return NULL;
}
xmlNodeSetPtr node_set = xpath_result->nodesetval;
if (!node_set) {
fprintf(stderr, "No match\n");
return NULL;
}
for (int i = 0; i < node_set->nodeNr; i++) {
xmlNodePtr node = node_set->nodeTab[i];
for (xmlAttr *attrs = node->properties; attrs; attrs=attrs->next) {
if (!xmlStrcmp(attrs->name, (const xmlChar *)"class")) {
if (attrs->children
&& attrs->children->content) {
printf("%s\n", (const char *)attrs->children->content);
break;
}
}
}
}
}
xmlXPathObjectPtr
get_nodes_xpath_expression (const xmlDocPtr document, char *xpath) {
xmlXPathContextPtr context;
xmlXPathObjectPtr result;
context = xmlXPathNewContext (document);
if (!context) {
fprintf(stderr, "Error in xmlXpathNewContext\n");
return NULL;
}
result = xmlXPathEvalExpression ((const xmlChar *)xpath, context);
return result;
}