outline.c revision 1.6
1/* Read an XML document from standard input and print an element 2 outline on standard output. 3 Must be used with Expat compiled for UTF-8 output. 4 __ __ _ 5 ___\ \/ /_ __ __ _| |_ 6 / _ \\ /| '_ \ / _` | __| 7 | __// \| |_) | (_| | |_ 8 \___/_/\_\ .__/ \__,_|\__| 9 |_| XML parser 10 11 Copyright (c) 1997-2000 Thai Open Source Software Center Ltd 12 Copyright (c) 2000-2017 Expat development team 13 Licensed under the MIT license: 14 15 Permission is hereby granted, free of charge, to any person obtaining 16 a copy of this software and associated documentation files (the 17 "Software"), to deal in the Software without restriction, including 18 without limitation the rights to use, copy, modify, merge, publish, 19 distribute, sublicense, and/or sell copies of the Software, and to permit 20 persons to whom the Software is furnished to do so, subject to the 21 following conditions: 22 23 The above copyright notice and this permission notice shall be included 24 in all copies or substantial portions of the Software. 25 26 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 27 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 28 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 29 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 30 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 31 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 32 USE OR OTHER DEALINGS IN THE SOFTWARE. 33*/ 34 35#include <stdio.h> 36#include <expat.h> 37 38#ifdef XML_LARGE_SIZE 39# if defined(XML_USE_MSC_EXTENSIONS) && _MSC_VER < 1400 40# define XML_FMT_INT_MOD "I64" 41# else 42# define XML_FMT_INT_MOD "ll" 43# endif 44#else 45# define XML_FMT_INT_MOD "l" 46#endif 47 48#ifdef XML_UNICODE_WCHAR_T 49# define XML_FMT_STR "ls" 50#else 51# define XML_FMT_STR "s" 52#endif 53 54#define BUFFSIZE 8192 55 56char Buff[BUFFSIZE]; 57 58int Depth; 59 60static void XMLCALL 61start(void *data, const XML_Char *el, const XML_Char **attr) 62{ 63 int i; 64 (void)data; 65 66 for (i = 0; i < Depth; i++) 67 printf(" "); 68 69 printf("%" XML_FMT_STR, el); 70 71 for (i = 0; attr[i]; i += 2) { 72 printf(" %" XML_FMT_STR "='%" XML_FMT_STR "'", attr[i], attr[i + 1]); 73 } 74 75 printf("\n"); 76 Depth++; 77} 78 79static void XMLCALL 80end(void *data, const XML_Char *el) 81{ 82 (void)data; 83 (void)el; 84 85 Depth--; 86} 87 88int 89main(int argc, char *argv[]) 90{ 91 XML_Parser p = XML_ParserCreate(NULL); 92 (void)argc; 93 (void)argv; 94 95 if (! p) { 96 fprintf(stderr, "Couldn't allocate memory for parser\n"); 97 exit(-1); 98 } 99 100 XML_SetElementHandler(p, start, end); 101 102 for (;;) { 103 int done; 104 int len; 105 106 len = (int)fread(Buff, 1, BUFFSIZE, stdin); 107 if (ferror(stdin)) { 108 fprintf(stderr, "Read error\n"); 109 exit(-1); 110 } 111 done = feof(stdin); 112 113 if (XML_Parse(p, Buff, len, done) == XML_STATUS_ERROR) { 114 fprintf(stderr, 115 "Parse error at line %" XML_FMT_INT_MOD "u:\n%" XML_FMT_STR "\n", 116 XML_GetCurrentLineNumber(p), 117 XML_ErrorString(XML_GetErrorCode(p))); 118 exit(-1); 119 } 120 121 if (done) 122 break; 123 } 124 XML_ParserFree(p); 125 return 0; 126} 127