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/*
Copyright (C) 2016 Alexander Borisov
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Author: lex.borisov@gmail.com (Alexander Borisov)
*/
#include <modest/modest.h>
#include <modest/finder/finder.h>
#include <modest/finder/thread.h>
#include <modest/glue.h>
#include <modest/declaration.h>
#include <modest/node/serialization.h>
#include <myhtml/serialization.h>
#define DIE(msg, ...) do { fprintf(stderr, msg, ##__VA_ARGS__); exit(EXIT_FAILURE); } while(0)
#define check_status(msg, ...) do {if(status) DIE(msg, ##__VA_ARGS__);} while(0)
void serialization_callback(const char* data, size_t len, void* ctx)
{
printf("%.*s", (int)len, data);
}
myhtml_tree_t * parse_html(const char* data, size_t data_size, myhtml_callback_tree_node_f cai, void* cai_ctx)
{
myhtml_t* myhtml = myhtml_create();
myhtml_status_t status = myhtml_init(myhtml, MyHTML_OPTIONS_DEFAULT, 1, 0);
check_status("Can't init MyHTML object\n");
myhtml_tree_t* tree = myhtml_tree_create();
status = myhtml_tree_init(tree, myhtml);
check_status("Can't init MyHTML Tree object\n");
myhtml_callback_tree_node_insert_set(tree, cai, cai_ctx);
status = myhtml_parse(tree, MyHTML_ENCODING_UTF_8, data, data_size);
check_status("Can't parse HTML:\n%s\n", data);
return tree;
}
mycss_entry_t * parse_css(const char* data, size_t data_size)
{
// base init
mycss_t *mycss = mycss_create();
mycss_status_t status = mycss_init(mycss);
check_status("Can't init MyCSS object\n");
// currenr entry work init
mycss_entry_t *entry = mycss_entry_create();
status = mycss_entry_init(mycss, entry);
check_status("Can't init MyCSS Entry object\n");
status = mycss_parse(entry, MyHTML_ENCODING_UTF_8, data, data_size);
check_status("Can't parse CSS:\n%s\n", data);
return entry;
}
void get_properties_and_print(modest_t* modest, myhtml_tree_t* myhtml_tree, mycss_entry_t *mycss_entry)
{
myhtml_collection_t *collection = myhtml_get_nodes_by_tag_id(myhtml_tree, NULL, MyHTML_TAG_DIV, NULL);
if(collection == NULL || collection->length < 1) {
DIE("Can't find HTML nodes\n");
}
myhtml_tree_node_t* node_div = collection->list[0];
/* print padding */
printf("\t");
mycss_declaration_entry_t *padding_left = modest_declaration_by_type(modest, node_div, MyCSS_PROPERTY_TYPE_PADDING_LEFT);
mycss_declaration_serialization_entry_by_type(mycss_entry, padding_left, MyCSS_PROPERTY_TYPE_PADDING_LEFT, serialization_callback, NULL);
/* print color */
printf("\n\t");
mycss_declaration_entry_t *color = modest_declaration_by_type(modest, node_div, MyCSS_PROPERTY_TYPE_COLOR);
mycss_declaration_serialization_entry_by_type(mycss_entry, color, MyCSS_PROPERTY_TYPE_COLOR, serialization_callback, NULL);
/* print display */
printf("\n\t");
mycss_declaration_entry_t *display = modest_declaration_by_type(modest, node_div, MyCSS_PROPERTY_TYPE_DISPLAY);
mycss_declaration_serialization_entry_by_type(mycss_entry, display, MyCSS_PROPERTY_TYPE_DISPLAY, serialization_callback, NULL);
printf("\n");
}
int main(int argc, const char * argv[])
{
char *html = "<div></div>";
char *css = "div {padding: 130px 3em; color: rgba(23 10 200 / 0.4) !important}";
/* init Modest */
modest_t *modest = modest_create();
modest_status_t status = modest_init(modest);
check_status("Can't init Modest object\n");
/* parse HTML, CSS */
modest->myhtml_tree = parse_html(html, strlen(html), modest_glue_callback_myhtml_insert_node, (void*)modest);
modest->mycss_entry = parse_css(css, strlen(css));
/* get stylesheet */
mycss_stylesheet_t *stylesheet = mycss_entry_stylesheet(modest->mycss_entry);
/* crteate and init Finder */
modest_finder_t* finder = modest_finder_create();
status = modest_finder_init(finder);
check_status("Can't init Modest Finder object\n");
/* create and init Thread Finder with two thread */
modest_finder_thread_t *finder_thread = modest_finder_thread_create();
modest_finder_thread_init(finder, finder_thread, 2);
/* comparison selectors and tree nodes */
status = modest_finder_thread_process(modest, finder_thread, modest->myhtml_tree->node_html, stylesheet->sel_list_first);
check_status("Can't find by selectors with thread\n");
/* print result */
/* print selector */
printf("Incoming stylesheet:\n\t");
printf("%s\n\n", css);
/* print trees */
printf("Incoming tree:\n\t");
myhtml_serialization_tree_callback(modest->myhtml_tree->node_html, serialization_callback, NULL);
/* print nodes with style */
printf("\n\nResult for div node:\n");
get_properties_and_print(modest, modest->myhtml_tree, modest->mycss_entry);
/* destroy all */
/* destroy Finder and Threads */
modest_finder_thread_destroy(finder_thread, true);
modest_finder_destroy(finder, true);
/* destroy Stylesheet */
mycss_stylesheet_destroy(stylesheet, true);
/* destroy MyHTML */
myhtml_t* myhtml = modest->myhtml_tree->myhtml;
myhtml_tree_destroy(modest->myhtml_tree);
myhtml_destroy(myhtml);
/* destroy MyCSS */
mycss_t* mycss = modest->mycss_entry->mycss;
mycss_entry_destroy(modest->mycss_entry, true);
mycss_destroy(mycss, true);
/* destroy Modest */
modest_destroy(modest, true);
return 0;
}
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