4db94043cb
Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/* <DESC>
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* Uses the "Streaming HTML parser" to extract the href pieces in a streaming
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* manner from a downloaded HTML.
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* </DESC>
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*/
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/*
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* The HTML parser is found at http://code.google.com/p/htmlstreamparser/
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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#include <htmlstreamparser.h>
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static size_t write_callback(void *buffer, size_t size, size_t nmemb,
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void *hsp)
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{
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size_t realsize = size * nmemb, p;
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for(p = 0; p < realsize; p++) {
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html_parser_char_parse(hsp, ((char *)buffer)[p]);
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if(html_parser_cmp_tag(hsp, "a", 1))
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if(html_parser_cmp_attr(hsp, "href", 4))
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if(html_parser_is_in(hsp, HTML_VALUE_ENDED)) {
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html_parser_val(hsp)[html_parser_val_length(hsp)] = '\0';
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printf("%s\n", html_parser_val(hsp));
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}
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}
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return realsize;
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}
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int main(int argc, char *argv[])
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{
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char tag[1], attr[4], val[128];
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CURL *curl;
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HTMLSTREAMPARSER *hsp;
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if(argc != 2) {
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printf("Usage: %s URL\n", argv[0]);
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return EXIT_FAILURE;
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}
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curl = curl_easy_init();
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hsp = html_parser_init();
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html_parser_set_tag_to_lower(hsp, 1);
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html_parser_set_attr_to_lower(hsp, 1);
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html_parser_set_tag_buffer(hsp, tag, sizeof(tag));
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html_parser_set_attr_buffer(hsp, attr, sizeof(attr));
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html_parser_set_val_buffer(hsp, val, sizeof(val)-1);
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curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, hsp);
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
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curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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html_parser_cleanup(hsp);
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return EXIT_SUCCESS;
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}
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