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5e9f2524 VS |
1 | /***************************************************************** |
2 | * outline.c | |
3 | * | |
4 | * Copyright 1999, Clark Cooper | |
5 | * All rights reserved. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the license contained in the | |
9 | * COPYING file that comes with the expat distribution. | |
10 | * | |
11 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
12 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
13 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
14 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
15 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
16 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
17 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
18 | * | |
19 | * Read an XML document from standard input and print an element | |
20 | * outline on standard output. | |
21 | */ | |
22 | ||
23 | ||
24 | #include <stdio.h> | |
25 | #include <expat.h> | |
26 | ||
27 | #define BUFFSIZE 8192 | |
28 | ||
29 | char Buff[BUFFSIZE]; | |
30 | ||
31 | int Depth; | |
32 | ||
33 | static void | |
34 | start(void *data, const char *el, const char **attr) | |
35 | { | |
36 | int i; | |
37 | ||
38 | for (i = 0; i < Depth; i++) | |
39 | printf(" "); | |
40 | ||
41 | printf("%s", el); | |
42 | ||
43 | for (i = 0; attr[i]; i += 2) { | |
44 | printf(" %s='%s'", attr[i], attr[i + 1]); | |
45 | } | |
46 | ||
47 | printf("\n"); | |
48 | Depth++; | |
49 | } | |
50 | ||
51 | static void | |
52 | end(void *data, const char *el) | |
53 | { | |
54 | Depth--; | |
55 | } | |
56 | ||
57 | int | |
58 | main(int argc, char *argv[]) | |
59 | { | |
60 | XML_Parser p = XML_ParserCreate(NULL); | |
61 | if (! p) { | |
62 | fprintf(stderr, "Couldn't allocate memory for parser\n"); | |
63 | exit(-1); | |
64 | } | |
65 | ||
66 | XML_SetElementHandler(p, start, end); | |
67 | ||
68 | for (;;) { | |
69 | int done; | |
70 | int len; | |
71 | ||
72 | len = fread(Buff, 1, BUFFSIZE, stdin); | |
73 | if (ferror(stdin)) { | |
74 | fprintf(stderr, "Read error\n"); | |
75 | exit(-1); | |
76 | } | |
77 | done = feof(stdin); | |
78 | ||
79 | if (XML_Parse(p, Buff, len, done) == XML_STATUS_ERROR) { | |
80 | fprintf(stderr, "Parse error at line %d:\n%s\n", | |
81 | XML_GetCurrentLineNumber(p), | |
82 | XML_ErrorString(XML_GetErrorCode(p))); | |
83 | exit(-1); | |
84 | } | |
85 | ||
86 | if (done) | |
87 | break; | |
88 | } | |
89 | return 0; | |
90 | } |