forked from sergiotarxz/mangareader
Migrating to readmng, mangafox is fallen almost always and does to much to stop scrappers.
This commit is contained in:
parent
029c161519
commit
20fc7ff6a4
2
Makefile
2
Makefile
@ -6,4 +6,4 @@ LDFLAGS := $(shell pkg-config --libs ${LIBS})
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CC_COMMAND := ${CC} ${INCDIR} ${CFLAGS}
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all: build
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build:
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${CC_COMMAND} mangafox.c main.c -o main ${LDFLAGS} -ggdb
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${CC_COMMAND} readmng.c manga.c main.c -o main ${LDFLAGS} -ggdb
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@ -1,4 +1,62 @@
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#ifndef MANGA
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#define MANGA
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#include <libsoup/soup.h>
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#include <libxml/HTMLparser.h>
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#include <libxml/xpath.h>
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#ifndef PCRE2_CODE_UNIT_WIDTH
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#define PCRE2_CODE_UNIT_WIDTH 8
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#include <pcre2.h>
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#endif
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#define XML_COPY_NODE_RECURSIVE 2 | 1
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struct Manga {
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char *title;
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char *image_url;
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};
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struct SplittedString {
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struct String *substrings;
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size_t n_strings;
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};
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struct String {
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char *content;
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size_t size;
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};
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char *
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get_request (const char *url, gsize *size_response_text);
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xmlNodePtr *
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find_class (xmlNodePtr node, char *class, size_t *len, xmlNodePtr *nodes,
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int return_on_first);
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void
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print_debug_nodes (const xmlDocPtr html_document,
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xmlNodePtr *nodes, size_t nodes_len);
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char *
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get_attr (xmlNodePtr const node, const char *attr_name);
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void
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copy_substring(const char *origin, char *dest, size_t dest_len, size_t start,
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size_t len);
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int
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has_class (const char *class_attribute,
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const char *class_to_check);
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struct SplittedString *
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split(char *re_str, size_t re_str_size, const char *subject, size_t subject_size);
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char *
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alloc_string(size_t len);
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void
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splitted_string_free (struct SplittedString *splitted_string);
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void
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iterate_string_to_split(struct SplittedString *splitted_string,
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pcre2_code *re, int *will_break, const char *subject,
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size_t subject_size, size_t *start_pos, size_t *offset);
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xmlXPathObjectPtr
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get_nodes_xpath_expression (const xmlDocPtr document, char *xpath);
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xmlNodePtr *
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loop_search_class (const xmlNodePtr node, xmlNodePtr *nodes,
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const char * class, size_t *len);
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char *
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copy_binary_data (const char *input, size_t size);
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#endif
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@ -1,2 +0,0 @@
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void
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retrieve_mangafox_title();
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2
include/readmng.h
Normal file
2
include/readmng.h
Normal file
@ -0,0 +1,2 @@
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struct Manga *
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retrieve_readmng_title_mangas (size_t *const len);
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141
main.c
141
main.c
@ -1,63 +1,132 @@
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#include <gtk/gtk.h>
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#include <adwaita.h>
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#include <mangafox.h>
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#include <readmng.h>
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#include <manga.h>
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AdwHeaderBar *
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create_headerbar (GtkBox *box);
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GtkBox *
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create_main_box (AdwApplicationWindow *window);
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GtkBox *
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create_manga_container ();
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AdwCarousel *
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create_adw_caroulsel (GtkBox *box);
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static void
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void
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fill_carousel_of_mangas (AdwCarousel *carousel);
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void
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activate (AdwApplication *app,
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gpointer user_data)
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gpointer user_data)
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{
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GtkWidget *window =
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adw_application_window_new (GTK_APPLICATION (app));
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GtkBox *box = create_main_box(
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ADW_APPLICATION_WINDOW
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(window));
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create_headerbar (box);
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GtkWidget *window =
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adw_application_window_new (GTK_APPLICATION (app));
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GtkBox *box = create_main_box(
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ADW_APPLICATION_WINDOW
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(window));
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AdwCarousel *carousel;
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create_headerbar (box);
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gtk_widget_show (window);
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carousel = create_adw_caroulsel (box);
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fill_carousel_of_mangas (carousel);
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gtk_widget_show (window);
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}
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void
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fill_carousel_of_mangas (AdwCarousel *carousel) {
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struct Manga *mangas;
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struct Manga *manga;
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GtkBox *manga_container;
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size_t len_mangas = 0;
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mangas = retrieve_readmng_title_mangas (&len_mangas);
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for (int i = 0; i<len_mangas; i++) {
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GtkWidget *picture;
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GFileIOStream *iostream;
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GFile *tmp_image;
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GError *error = NULL;
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size_t size_downloaded_image = 0;
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char *downloaded_image;
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manga = &mangas[i];
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manga_container = create_manga_container (manga);
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adw_carousel_append (carousel, GTK_WIDGET (manga_container));
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downloaded_image = get_request (manga->image_url, &size_downloaded_image);
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tmp_image = g_file_new_tmp ("mangareadertmpfileXXXXXX",
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&iostream,
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&error
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);
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if (error) {
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fprintf (stderr, "Unable to read file: %s\n", error->message);
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return;
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}
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error = NULL;
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g_output_stream_write (g_io_stream_get_output_stream (G_IO_STREAM (iostream)),
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downloaded_image, size_downloaded_image, NULL, &error);
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if (error) {
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fprintf (stderr, "Unable to write file: %s\n", error->message);
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return;
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}
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picture = gtk_picture_new_for_file (tmp_image);
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gtk_box_append (manga_container, picture);
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}
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}
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GtkBox *
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create_manga_container () {
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GtkBox *manga_container;
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manga_container = GTK_BOX (gtk_box_new(
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GTK_ORIENTATION_HORIZONTAL,
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0));
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return manga_container;
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}
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GtkBox *
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create_main_box (AdwApplicationWindow *window) {
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GtkWidget *box = gtk_box_new(
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GTK_ORIENTATION_VERTICAL,
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10);
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adw_application_window_set_content(
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window,
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box);
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return GTK_BOX (box);
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GtkWidget *box = gtk_box_new(
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GTK_ORIENTATION_VERTICAL,
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10);
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adw_application_window_set_content(
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window,
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box);
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return GTK_BOX (box);
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}
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AdwCarousel *
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create_adw_caroulsel (GtkBox *box) {
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GtkWidget *carousel = adw_carousel_new ();
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gtk_box_append (box, carousel);
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return ADW_CAROUSEL (carousel);
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}
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AdwHeaderBar *
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create_headerbar (GtkBox *box) {
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GtkWidget *title =
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adw_window_title_new ("Window", NULL);
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GtkWidget *header =
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adw_header_bar_new();
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adw_header_bar_set_title_widget(
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ADW_HEADER_BAR (header),
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GTK_WIDGET (title));
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gtk_box_append (GTK_BOX (box), header);
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GtkWidget *title =
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adw_window_title_new ("Window", NULL);
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GtkWidget *header =
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adw_header_bar_new();
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adw_header_bar_set_title_widget(
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ADW_HEADER_BAR (header),
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GTK_WIDGET (title));
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gtk_box_append (box, header);
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return ADW_HEADER_BAR (header);
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return ADW_HEADER_BAR (header);
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}
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int
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int
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main (int argc,
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char **argv)
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char **argv)
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{
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AdwApplication *app;
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retrieve_mangafox_title();
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int status;
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app = adw_application_new ("org.mangareader", G_APPLICATION_FLAGS_NONE);
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g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
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status = g_application_run (G_APPLICATION (app), argc, argv);
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g_object_unref (app);
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return status;
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AdwApplication *app;
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int status;
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app = adw_application_new ("org.mangareader", G_APPLICATION_FLAGS_NONE);
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g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
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status = g_application_run (G_APPLICATION (app), argc, argv);
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g_object_unref (app);
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return status;
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}
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460
mangafox.c
460
mangafox.c
@ -1,460 +0,0 @@
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#include <stdio.h>
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#include <libsoup/soup.h>
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#include <libxml/HTMLparser.h>
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#include <libxml/xpath.h>
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#ifndef PCRE2_CODE_UNIT_WIDTH
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#define PCRE2_CODE_UNIT_WIDTH 8
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#include <pcre2.h>
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#endif
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#include <manga.h>
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#define XML_COPY_NODE_RECURSIVE 2 | 1
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const char *mangafox_url =
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"https://mangafox.fun";
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struct String {
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char *content;
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size_t size;
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};
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struct SplittedString {
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struct String *substrings;
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size_t n_strings;
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};
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struct Manga *
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parse_main_mangafox_page (
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const xmlDocPtr html_document,
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const size_t *size);
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xmlXPathObjectPtr
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get_nodes_xpath_expression (
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const xmlDocPtr document,
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char *xpath);
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char *
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alloc_string(size_t len);
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void
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copy_substring(const char *origin, char *dest,
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size_t dest_len, size_t start, size_t len);
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void
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print_classes (const char *class_attribute,
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size_t class_attribute_size);
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int
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has_class (const char *class_attribute,
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const char *class_to_check);
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void
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splitted_string_free (struct SplittedString *splitted_string);
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struct SplittedString *
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split(char *re_str, size_t re_str_size, const char *subject,
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size_t subject_size);
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void
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iterate_string_to_split(struct SplittedString *splitted_string, pcre2_code *re, int *will_break, const char *subject,
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size_t subject_size, size_t *start_pos, size_t *offset);
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char *
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get_request (const char *url, gsize *size_response_text);
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xmlNodePtr *
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loop_search_class(const xmlNodePtr node, xmlNodePtr *nodes,
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const char * class, size_t *len);
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void
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print_debug_nodes (const xmlDocPtr html_document,
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xmlNodePtr *nodes, size_t nodes_len);
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xmlNodePtr *
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find_all_manga_slide(const xmlDocPtr html_document,
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size_t *len);
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char *
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get_attr (xmlNodePtr const node, const char *attr_name);
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char *
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get_manga_slide_cover(xmlNodePtr node);
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char *
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match_1 (char *re_str, char *subject);
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xmlNodePtr
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find_class(xmlNodePtr node, char *class);
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char *
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get_manga_slide_title(xmlNodePtr node);
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void
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retrieve_mangafox_title () {
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xmlDocPtr html_response;
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gsize size_response_text;
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char *response_text = get_request (mangafox_url,
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&size_response_text);
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html_response = htmlReadMemory (response_text,
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size_response_text,
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NULL,
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NULL,
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HTML_PARSE_RECOVER | HTML_PARSE_NODEFDTD
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| HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING
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);
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size_t manga_size;
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parse_main_mangafox_page (html_response, &manga_size);
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xmlFreeDoc (html_response);
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free (response_text);
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}
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char *
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get_request (const char *url, gsize *size_response_text) {
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SoupSession *soup_session;
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SoupMessage *msg;
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GValue response = G_VALUE_INIT;
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guint status;
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*size_response_text = 0;
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g_value_init (&response, G_TYPE_BYTES);
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soup_session = soup_session_new ();
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msg = soup_message_new ("GET", url);
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status = soup_session_send_message (soup_session, msg);
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g_object_get_property(
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G_OBJECT (msg),
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"response-body-data",
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&response);
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printf("%u\n", status);
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const char *html_response = g_bytes_get_data ((GBytes *)
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g_value_peek_pointer (&response),
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size_response_text);
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char *return_value = g_strndup (html_response, *size_response_text);
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g_value_unset (&response);
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g_object_unref (soup_session);
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g_object_unref (msg);
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return return_value;
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}
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struct Manga *
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parse_main_mangafox_page (const xmlDocPtr html_document,
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const size_t *size) {
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xmlNodePtr *nodes;
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xmlNodePtr node;
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size_t nodes_len = 0;
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nodes = find_all_manga_slide (html_document, &nodes_len);
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print_debug_nodes (html_document, nodes, nodes_len);
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for (int i = 0; i < nodes_len; i++) {
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node = nodes[i];
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char *cover = get_manga_slide_cover(node);
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if (cover) {
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printf ("%s\n", cover);
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}
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char *title = get_manga_slide_title (node);
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if (title) {
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printf ("%s\n", title);
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}
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}
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for (int i = 0; i<nodes_len; i++) {
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xmlNodePtr node = nodes[i];
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xmlFreeNode (node);
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}
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g_free (nodes);
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}
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char *
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get_manga_slide_title (xmlNodePtr node) {
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xmlNodePtr m_slide_caption = find_class (node, "m-slide-caption");
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if (!m_slide_caption) {
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return NULL;
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}
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xmlNodePtr m_slide_title = find_class (m_slide_caption, "m-slide-title");
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if (!m_slide_title) {
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return NULL;
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}
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return (char *) xmlNodeGetContent (m_slide_title);
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}
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xmlNodePtr
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find_class (xmlNodePtr node, char *class) {
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for (xmlNodePtr child = node->children; child; child=child->next) {
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char *attr = get_attr (child, "class");
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if (attr && has_class (attr, class)) {
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return child;
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}
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if (node->children) {
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xmlNodePtr child = node->children;
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for (;child;child=child->next) {
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xmlNodePtr result = find_class (child, class);
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if (result) {
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return result;
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}
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}
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}
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}
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return NULL;
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}
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char *
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get_manga_slide_cover(xmlNodePtr node) {
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for (xmlNodePtr child = node->children; child; child=child->next) {
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char *attr = get_attr (child, "class");
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if (attr && has_class (attr, "m-slide-background")) {
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char *style = get_attr (child, "style");
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char *match = match_1 ("background-image:url\\((.*?)\\)", style);
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if (match) {
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printf("%s\n", match);
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return match;
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}
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}
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}
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return NULL;
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}
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void
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print_debug_nodes (const xmlDocPtr html_document,
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xmlNodePtr *nodes, size_t nodes_len) {
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xmlBufferPtr buffer = xmlBufferCreate ();
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for (int i = 0; i < nodes_len; i++) {
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xmlNodeDump (buffer, html_document, nodes[i],
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0, 1);
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}
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xmlBufferDump (stdout, buffer);
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xmlBufferFree (buffer);
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}
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xmlNodePtr *
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find_all_manga_slide(const xmlDocPtr html_document,
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size_t *len) {
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xmlNodeSetPtr node_set;
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xmlNodePtr *nodes;
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xmlXPathObjectPtr xpath_result;
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node_set = NULL;
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nodes = NULL;
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xpath_result = get_nodes_xpath_expression (html_document,
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"//div[@class]");
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if (!xpath_result) {
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fprintf(stderr, "Empty xpath result\n");
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goto cleanup_find_all_manga_slide;
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}
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node_set = xpath_result->nodesetval;
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if (!node_set) {
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fprintf(stderr, "No match\n");
|
||||
goto cleanup_find_all_manga_slide;
|
||||
}
|
||||
for (int i = 0; i < node_set->nodeNr; i++) {
|
||||
xmlNodePtr node = node_set->nodeTab[i];
|
||||
nodes = loop_search_class (node, nodes, "manga-slide", len);
|
||||
}
|
||||
cleanup_find_all_manga_slide:
|
||||
xmlXPathFreeObject (xpath_result);
|
||||
|
||||
return nodes;
|
||||
|
||||
}
|
||||
|
||||
char *
|
||||
get_attr (xmlNodePtr const node, const char *attr_name) {
|
||||
char *return_value = NULL;
|
||||
for (xmlAttr *attr = node->properties; attr; attr=attr->next) {
|
||||
if (!xmlStrcmp(attr->name, (const xmlChar *) attr_name)
|
||||
&& attr->children && attr->children->content) {
|
||||
if (!attr->children->content) continue;
|
||||
size_t content_len = strlen((char *)
|
||||
attr->children->content);
|
||||
return_value = alloc_string(content_len);
|
||||
copy_substring ((char *) attr->children->content, return_value,
|
||||
content_len,
|
||||
0,
|
||||
content_len);
|
||||
break;
|
||||
}
|
||||
}
|
||||
return return_value;
|
||||
}
|
||||
|
||||
xmlNodePtr *
|
||||
loop_search_class (const xmlNodePtr node, xmlNodePtr *nodes,
|
||||
const char * class, size_t *len) {
|
||||
char *content = get_attr (node, "class");
|
||||
if (!content) {
|
||||
return nodes;
|
||||
}
|
||||
if (has_class (content, class)) {
|
||||
(*len)++;
|
||||
nodes = g_realloc (nodes, (sizeof *nodes) * *len);
|
||||
nodes[(*len)-1] = xmlCopyNode(node, XML_COPY_NODE_RECURSIVE);
|
||||
}
|
||||
g_free (content);
|
||||
return nodes;
|
||||
}
|
||||
|
||||
int
|
||||
has_class (const char *class_attribute,
|
||||
const char *class_to_check) {
|
||||
char *re = "\\s+";
|
||||
struct SplittedString *classes;
|
||||
int return_value = 0;
|
||||
classes = split(re, strlen(re), class_attribute,
|
||||
strlen(class_attribute));
|
||||
for (int i = 0; i<classes->n_strings; i++) {
|
||||
if (strcmp(classes->substrings[i].content, class_to_check) == 0) {
|
||||
return_value = 1;
|
||||
goto cleanup_has_class;
|
||||
}
|
||||
}
|
||||
|
||||
cleanup_has_class:
|
||||
splitted_string_free (classes);
|
||||
return return_value;
|
||||
}
|
||||
|
||||
void
|
||||
splitted_string_free (struct SplittedString *splitted_string) {
|
||||
for (int i = 0; i<splitted_string->n_strings; i++) {
|
||||
g_free (splitted_string->substrings[i].content);
|
||||
}
|
||||
|
||||
g_free (splitted_string->substrings);
|
||||
g_free (splitted_string);
|
||||
}
|
||||
|
||||
struct SplittedString *
|
||||
split(char *re_str, size_t re_str_size, const char *subject, size_t subject_size) {
|
||||
pcre2_code_8 *re;
|
||||
size_t start_pos = 0;
|
||||
size_t offset = 0;
|
||||
int regex_compile_error;
|
||||
PCRE2_SIZE error_offset;
|
||||
struct SplittedString *splitted_string;
|
||||
|
||||
splitted_string = g_malloc (sizeof *splitted_string);
|
||||
|
||||
splitted_string->n_strings = 0;
|
||||
splitted_string->substrings = NULL;
|
||||
re = pcre2_compile ((PCRE2_SPTR8) re_str,
|
||||
re_str_size, 0, ®ex_compile_error, &error_offset, NULL);
|
||||
while (start_pos < subject_size) {
|
||||
int will_break = 0;
|
||||
iterate_string_to_split(splitted_string, re, &will_break,
|
||||
subject, subject_size, &start_pos, &offset);
|
||||
if (will_break) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
pcre2_code_free (re);
|
||||
re = NULL;
|
||||
|
||||
return splitted_string;
|
||||
}
|
||||
|
||||
char *
|
||||
match_1 (char *re_str, char *subject) {
|
||||
pcre2_code *re;
|
||||
pcre2_match_data *match_data;
|
||||
|
||||
char *return_value;
|
||||
int regex_compile_error;
|
||||
int rc;
|
||||
size_t len_match = 0;
|
||||
|
||||
return_value = NULL;
|
||||
PCRE2_SIZE error_offset;
|
||||
|
||||
re = pcre2_compile ((PCRE2_SPTR8) re_str, strlen (re_str), 0,
|
||||
®ex_compile_error, &error_offset, NULL);
|
||||
match_data = pcre2_match_data_create_from_pattern (re, NULL);
|
||||
rc = pcre2_match (re, (PCRE2_SPTR8) subject, strlen (subject),
|
||||
0, 0, match_data, NULL);
|
||||
if (rc < 0 ) {
|
||||
goto cleanup_match;
|
||||
}
|
||||
|
||||
pcre2_substring_get_bynumber (match_data, 1, (PCRE2_UCHAR8**)
|
||||
&return_value, &len_match);
|
||||
cleanup_match:
|
||||
pcre2_match_data_free (match_data);
|
||||
pcre2_code_free (re);
|
||||
return return_value;
|
||||
}
|
||||
|
||||
void
|
||||
iterate_string_to_split(struct SplittedString *splitted_string, pcre2_code *re, int *will_break, const char *subject,
|
||||
size_t subject_size, size_t *start_pos, size_t *offset) {
|
||||
pcre2_match_data_8 *match_data;
|
||||
PCRE2_SIZE *ovector;
|
||||
int rc;
|
||||
|
||||
splitted_string->n_strings++;
|
||||
match_data = pcre2_match_data_create_from_pattern_8 (re, NULL);
|
||||
rc = pcre2_match ( re, (PCRE2_SPTR8) subject, subject_size, *start_pos, 0, match_data,
|
||||
NULL);
|
||||
if (splitted_string->substrings) {
|
||||
splitted_string->substrings = g_realloc (splitted_string->substrings,
|
||||
(sizeof *splitted_string->substrings) * (*offset + 1));
|
||||
} else {
|
||||
splitted_string->substrings = g_malloc (sizeof *splitted_string->substrings);
|
||||
}
|
||||
if (rc < 0) {
|
||||
struct String *current_substring =
|
||||
&splitted_string->substrings [*offset];
|
||||
current_substring->content = alloc_string (subject_size
|
||||
- *start_pos);
|
||||
copy_substring (subject, current_substring->content,
|
||||
subject_size,
|
||||
*start_pos,
|
||||
subject_size - *start_pos);
|
||||
current_substring->size = subject_size - *start_pos;
|
||||
|
||||
*will_break = 1;
|
||||
goto cleanup_iterate_string_to_split;
|
||||
}
|
||||
ovector = pcre2_get_ovector_pointer_8(match_data);
|
||||
splitted_string->substrings[*offset].content = alloc_string (
|
||||
ovector[0] - *start_pos);
|
||||
copy_substring (subject, splitted_string->substrings[*offset]
|
||||
.content,
|
||||
subject_size,
|
||||
*start_pos,
|
||||
ovector[0] - *start_pos - 1);
|
||||
splitted_string->substrings[*offset].size =
|
||||
ovector[0] - *start_pos - 1;
|
||||
|
||||
*start_pos = ovector[1];
|
||||
|
||||
*offset += 1;
|
||||
|
||||
cleanup_iterate_string_to_split:
|
||||
pcre2_match_data_free (match_data);
|
||||
}
|
||||
|
||||
char *
|
||||
alloc_string(size_t len) {
|
||||
char * return_value = NULL;
|
||||
return g_malloc (len + 1 * sizeof *return_value);
|
||||
}
|
||||
|
||||
void
|
||||
copy_substring(const char *origin, char *dest, size_t dest_len, size_t start,
|
||||
size_t len) {
|
||||
size_t copying_offset = 0;
|
||||
while (copying_offset < len) {
|
||||
if (!(start+copying_offset <=dest_len)) {
|
||||
fprintf(stderr, "Read attempt out of bounds.%ld %ld %ld\n", dest_len, start, len);
|
||||
break;
|
||||
}
|
||||
dest[copying_offset] = origin[start+copying_offset];
|
||||
copying_offset++;
|
||||
}
|
||||
dest[len] = '\0';
|
||||
}
|
||||
|
||||
xmlXPathObjectPtr
|
||||
get_nodes_xpath_expression (const xmlDocPtr document, char *xpath) {
|
||||
xmlXPathContextPtr context;
|
||||
xmlXPathObjectPtr result;
|
||||
|
||||
context = xmlXPathNewContext (document);
|
||||
result = xmlXPathEvalExpression ((const xmlChar *)xpath, context);
|
||||
|
||||
xmlXPathFreeContext (context);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
153
readmng.c
Normal file
153
readmng.c
Normal file
@ -0,0 +1,153 @@
|
||||
#include <manga.h>
|
||||
#include <libxml/HTMLparser.h>
|
||||
|
||||
const char *readmng_url = "https://www.readmng.com/";
|
||||
|
||||
struct Manga *
|
||||
parse_readmng_title_page (const xmlDocPtr html_document,
|
||||
size_t *const len);
|
||||
xmlNodePtr
|
||||
retrieve_slides (const xmlDocPtr html_document);
|
||||
xmlNodePtr
|
||||
retrieve_ul_slides (xmlNodePtr const slides);
|
||||
xmlNodePtr *
|
||||
retrieve_li_slides (xmlNodePtr const slides, size_t *li_len);
|
||||
xmlNodePtr
|
||||
retrieve_img_from_thumnail (xmlNodePtr thumbnail);
|
||||
xmlNodePtr
|
||||
retrieve_thumbnail_from_li (xmlNodePtr current_li);
|
||||
xmlNodePtr
|
||||
retrieve_title_from_li (xmlNodePtr li);
|
||||
struct Manga *
|
||||
extract_manga_info_from_current_li (struct Manga *mangas,
|
||||
xmlNodePtr current_li, size_t *len);
|
||||
|
||||
struct Manga *
|
||||
retrieve_readmng_title_mangas (size_t *const len) {
|
||||
xmlDocPtr html_response;
|
||||
gsize size_response_text;
|
||||
struct Manga *mangas;
|
||||
char *response_text = get_request (readmng_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
|
||||
);
|
||||
mangas = parse_readmng_title_page (html_response, len);
|
||||
xmlFreeDoc (html_response);
|
||||
g_free (response_text);
|
||||
return mangas;
|
||||
}
|
||||
|
||||
struct Manga *
|
||||
parse_readmng_title_page (const xmlDocPtr html_document,
|
||||
size_t *const len) {
|
||||
struct Manga *mangas = NULL;
|
||||
xmlNodePtr slides = retrieve_slides (html_document);
|
||||
*len = 0;
|
||||
size_t li_len = 0;
|
||||
xmlNodePtr *li = retrieve_li_slides (slides, &li_len);
|
||||
for (int i = 0; i<li_len; i++) {
|
||||
xmlNodePtr current_li = li[i];
|
||||
mangas = extract_manga_info_from_current_li (mangas, current_li,
|
||||
len);
|
||||
}
|
||||
return mangas;
|
||||
}
|
||||
|
||||
struct Manga *
|
||||
extract_manga_info_from_current_li (struct Manga *mangas, xmlNodePtr current_li,
|
||||
size_t *len) {
|
||||
xmlNodePtr thumbnail = retrieve_thumbnail_from_li (current_li);
|
||||
xmlNodePtr title = retrieve_title_from_li (current_li);
|
||||
xmlNodePtr img;
|
||||
|
||||
if (thumbnail && title && (img = retrieve_img_from_thumnail (thumbnail))) {
|
||||
(*len)++;
|
||||
mangas = g_realloc(mangas, sizeof *mangas * *len);
|
||||
struct Manga *manga = &mangas[*len-1];
|
||||
manga->image_url = get_attr (img, "src");
|
||||
manga->title = (char *) xmlNodeGetContent (title);
|
||||
}
|
||||
return mangas;
|
||||
}
|
||||
|
||||
xmlNodePtr
|
||||
retrieve_title_from_li (xmlNodePtr li) {
|
||||
size_t title_len = 0;
|
||||
xmlNodePtr *title = find_class (li, "title", &title_len, NULL, 1);
|
||||
if (title_len) return title[0];
|
||||
return NULL;
|
||||
}
|
||||
|
||||
xmlNodePtr
|
||||
retrieve_img_from_thumnail (xmlNodePtr thumbnail) {
|
||||
for (xmlNodePtr child = thumbnail->children; child; child=child->next) {
|
||||
if (!strcmp((char *)child->name, "img")) {
|
||||
return child;
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
xmlNodePtr
|
||||
retrieve_thumbnail_from_li (xmlNodePtr current_li) {
|
||||
size_t thumbnail_len = 0;
|
||||
xmlNodePtr *thumbnail = find_class (current_li, "thumbnail",
|
||||
&thumbnail_len, NULL, 1);
|
||||
if (thumbnail_len) return thumbnail[0];
|
||||
return NULL;
|
||||
}
|
||||
|
||||
xmlNodePtr *
|
||||
retrieve_li_slides (xmlNodePtr const slides, size_t *li_len) {
|
||||
xmlNodePtr ul_slides = retrieve_ul_slides (slides);
|
||||
xmlNodePtr *li = NULL;
|
||||
for (xmlNodePtr child = ul_slides->children; child; child=child->next) {
|
||||
(*li_len)++;
|
||||
li = g_realloc(li, sizeof *li * *li_len);
|
||||
li[*li_len-1] = xmlCopyNode(child, XML_COPY_NODE_RECURSIVE);
|
||||
}
|
||||
return li;
|
||||
}
|
||||
|
||||
xmlNodePtr
|
||||
retrieve_ul_slides (xmlNodePtr const slides) {
|
||||
for (xmlNodePtr child = slides->children; child; child = child->next) {
|
||||
if (!strcmp((char *) child->name, "ul")) {
|
||||
return child;
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
xmlNodePtr
|
||||
retrieve_slides (const xmlDocPtr html_document) {
|
||||
xmlNodePtr *nodes = NULL;
|
||||
xmlXPathObjectPtr xpath_result = NULL;
|
||||
xpath_result = get_nodes_xpath_expression (html_document,
|
||||
"//div[@class]");
|
||||
xmlNodePtr slides = NULL;
|
||||
xmlNodeSetPtr node_set = NULL;
|
||||
size_t matching_classes_len = 0;
|
||||
|
||||
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];
|
||||
nodes = loop_search_class (node, nodes, "slides", &matching_classes_len);
|
||||
}
|
||||
if (nodes) {
|
||||
slides = nodes[0];
|
||||
}
|
||||
if (xpath_result) {
|
||||
xmlXPathFreeObject(xpath_result);
|
||||
}
|
||||
return slides;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user