[xml][libxml2][c]XMLã‚’HTTPã§å–å¾—ã—ã¦ã€XPathã§æŒ‡å®šã•ã‚ŒãŸä¸èº«ã‚’C言語ã§å–り出ã™æ–¹æ³• - グニャラãã‚“ã®ã‚°ãƒ‹ãƒ£ã‚°ãƒ‹ãƒ£å‚™å¿˜éŒ²@ã¯ã¦ãªã‚¿ã‚¤ãƒˆãƒ«é€šã‚Šã€‚å¿…è¦ã«è¿«ã‚‰ã‚Œã¦â€¦ libxml2ã¯APIã®æ•°ãŒã‚ªãƒ‹ã®ã‚ˆã†ã«ã‚ã‚Šã¾ã™ã€‚æ³£ããã†ã§ã™ã€‚ 注æ„：ルートノードãŒï¼‘ã¤ã®æ–‡æ›¸ã—ã‹å¯¾å¿œã—ã¦ã„ã¾ã›ã‚“。 æ ¹æ€§ä¸è¶³ã§ã€URLã‹ã‚‰xmlDocPtrを得られるAPIを見ã¤ã‘られãªã‹ã£ãŸãŸã‚〠xmlTextReaderPtrã§æœ€åˆã®ãƒŽãƒ¼ãƒ‰ã‚’èªã¿ã€ xmlTextReaderExpandã§å¼·å¼•ã«åノードをå–ã£ã¦ã“ã•ã›ã¦ã„ã¾ã™ã€‚ 大変ダサã„ã®ã§ã€libxml2ウィザードã®æ–¹ã®é™è‡¨ã‚’願ã†ã€‚ gcc -o test -I/usr/include/libxml2 test.c -lxml2 #include <stdio.h> #include <libxml/xpath.h> #include <libxml/xmlreader.h> #define URL "http://www.nicovideo.jp/api/getthumbinfo/sm9" #
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