1 /*
2 __ __ _
3 ___\ \/ /_ __ __ _| |_
4 / _ \\ /| '_ \ / _` | __|
5 | __// \| |_) | (_| | |_
6 \___/_/\_\ .__/ \__,_|\__|
7 |_| XML parser
8
9 Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
10 Copyright (c) 2000-2017 Expat development team
11 Licensed under the MIT license:
12
13 Permission is hereby granted, free of charge, to any person obtaining
14 a copy of this software and associated documentation files (the
15 "Software"), to deal in the Software without restriction, including
16 without limitation the rights to use, copy, modify, merge, publish,
17 distribute, sublicense, and/or sell copies of the Software, and to permit
18 persons to whom the Software is furnished to do so, subject to the
19 following conditions:
20
21 The above copyright notice and this permission notice shall be included
22 in all copies or substantial portions of the Software.
23
24 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
27 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
28 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
29 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
30 USE OR OTHER DEALINGS IN THE SOFTWARE.
31 */
32
33 #include <sys/stat.h>
34 #include <stdlib.h>
35 #include <stdio.h>
36 #include <time.h>
37 #include "expat.h"
38
39 #ifdef XML_LARGE_SIZE
40 # define XML_FMT_INT_MOD "ll"
41 #else
42 # define XML_FMT_INT_MOD "l"
43 #endif
44
45 #ifdef XML_UNICODE_WCHAR_T
46 # define XML_FMT_STR "ls"
47 #else
48 # define XML_FMT_STR "s"
49 #endif
50
51 static void
usage(const char * prog,int rc)52 usage(const char *prog, int rc)
53 {
54 fprintf(stderr,
55 "usage: %s [-n] filename bufferSize nr_of_loops\n", prog);
56 exit(rc);
57 }
58
main(int argc,char * argv[])59 int main (int argc, char *argv[])
60 {
61 XML_Parser parser;
62 char *XMLBuf, *XMLBufEnd, *XMLBufPtr;
63 FILE *fd;
64 struct stat fileAttr;
65 int nrOfLoops, bufferSize, fileSize, i, isFinal;
66 int j = 0, ns = 0;
67 clock_t tstart, tend;
68 double cpuTime = 0.0;
69
70 if (argc > 1) {
71 if (argv[1][0] == '-') {
72 if (argv[1][1] == 'n' && argv[1][2] == '\0') {
73 ns = 1;
74 j = 1;
75 }
76 else
77 usage(argv[0], 1);
78 }
79 }
80
81 if (argc != j + 4)
82 usage(argv[0], 1);
83
84 if (stat (argv[j + 1], &fileAttr) != 0) {
85 fprintf (stderr, "could not access file '%s'\n", argv[j + 1]);
86 return 2;
87 }
88
89 fd = fopen (argv[j + 1], "r");
90 if (!fd) {
91 fprintf (stderr, "could not open file '%s'\n", argv[j + 1]);
92 exit(2);
93 }
94
95 bufferSize = atoi (argv[j + 2]);
96 nrOfLoops = atoi (argv[j + 3]);
97 if (bufferSize <= 0 || nrOfLoops <= 0) {
98 fprintf (stderr,
99 "buffer size and nr of loops must be greater than zero.\n");
100 exit(3);
101 }
102
103 XMLBuf = malloc (fileAttr.st_size);
104 fileSize = fread (XMLBuf, sizeof (char), fileAttr.st_size, fd);
105 fclose (fd);
106
107 if (ns)
108 parser = XML_ParserCreateNS(NULL, '!');
109 else
110 parser = XML_ParserCreate(NULL);
111
112 i = 0;
113 XMLBufEnd = XMLBuf + fileSize;
114 while (i < nrOfLoops) {
115 XMLBufPtr = XMLBuf;
116 isFinal = 0;
117 tstart = clock();
118 do {
119 int parseBufferSize = XMLBufEnd - XMLBufPtr;
120 if (parseBufferSize <= bufferSize)
121 isFinal = 1;
122 else
123 parseBufferSize = bufferSize;
124 if (!XML_Parse (parser, XMLBufPtr, parseBufferSize, isFinal)) {
125 fprintf (stderr,
126 "error '%" XML_FMT_STR "' at line %" XML_FMT_INT_MOD \
127 "u character %" XML_FMT_INT_MOD "u\n",
128 XML_ErrorString (XML_GetErrorCode (parser)),
129 XML_GetCurrentLineNumber (parser),
130 XML_GetCurrentColumnNumber (parser));
131 free (XMLBuf);
132 XML_ParserFree (parser);
133 exit (4);
134 }
135 XMLBufPtr += bufferSize;
136 } while (!isFinal);
137 tend = clock();
138 cpuTime += ((double) (tend - tstart)) / CLOCKS_PER_SEC;
139 XML_ParserReset(parser, NULL);
140 i++;
141 }
142
143 XML_ParserFree (parser);
144 free (XMLBuf);
145
146 printf ("%d loops, with buffer size %d. Average time per loop: %f\n",
147 nrOfLoops, bufferSize, cpuTime / (double) nrOfLoops);
148 return 0;
149 }
150