File: error.c

package info (click to toggle)
libxml 1:1.8.17-14
  • links: PTS
  • area: main
  • in suites: etch-m68k
  • size: 7,448 kB
  • ctags: 2,065
  • sloc: ansic: 34,627; xml: 10,690; sh: 8,593; makefile: 374
file content (213 lines) | stat: -rw-r--r-- 5,079 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
/*
 * error.c: module displaying/handling XML parser errors
 *
 * See Copyright for the status of this software.
 *
 * Daniel Veillard <Daniel.Veillard@w3.org>
 */

#ifdef WIN32
#include "win32config.h"
#else
#include "config.h"
#endif

#include <stdio.h>
#include <stdarg.h>
#include "parser.h"

/**
 * xmlParserPrintFileInfo:
 * @input:  an xmlParserInputPtr input
 * 
 * Displays the associated file and line informations for the current input
 */

void
xmlParserPrintFileInfo(xmlParserInputPtr input) {
    if (input != NULL) {
	if (input->filename)
	    fprintf(stderr, "%s:%d: ", input->filename,
		    input->line);
	else
	    fprintf(stderr, "Entity: line %d: ", input->line);
    }
}

/**
 * xmlParserPrintFileContext:
 * @input:  an xmlParserInputPtr input
 * 
 * Displays current context within the input content for error tracking
 */

void
xmlParserPrintFileContext(xmlParserInputPtr input) {
    const xmlChar *cur, *base;
    int n;

    if (input == NULL) return;
    cur = input->cur;
    base = input->base;
    while ((cur > base) && ((*cur == '\n') || (*cur == '\r'))) {
	cur--;
    }
    n = 0;
    while ((n++ < 80) && (cur > base) && (*cur != '\n') && (*cur != '\r'))
        cur--;
    if ((*cur == '\n') || (*cur == '\r')) cur++;
    base = cur;
    n = 0;
    while ((*cur != 0) && (*cur != '\n') && (*cur != '\r') && (n < 79)) {
        fprintf(stderr, "%c", (unsigned char) *cur++);
	n++;
    }
    fprintf(stderr, "\n");
    cur = input->cur;
    while ((*cur == '\n') || (*cur == '\r'))
	cur--;
    n = 0;
    while ((cur != base) && (n++ < 80)) {
        fprintf(stderr, " ");
        base++;
    }
    fprintf(stderr,"^\n");
}

/**
 * xmlParserError:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format an error messages, gives file, line, position and
 * extra parameters.
 */
void
xmlParserError(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    xmlParserInputPtr cur = NULL;
    va_list args;

    input = ctxt->input;
    if ((input != NULL) && (input->filename == NULL) && (ctxt->inputNr > 1)) {
	cur = input;
        input = ctxt->inputTab[ctxt->inputNr - 2];
    }
        
    xmlParserPrintFileInfo(input);

    fprintf(stderr, "error: ");
    va_start(args, msg);
    vfprintf(stderr, msg, args);
    va_end(args);

    xmlParserPrintFileContext(input);
    if (cur != NULL) {
        xmlParserPrintFileInfo(cur);
	fprintf(stderr, "\n");
	xmlParserPrintFileContext(cur);
    }
}

/**
 * xmlParserWarning:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format a warning messages, gives file, line, position and
 * extra parameters.
 */
void
xmlParserWarning(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    xmlParserInputPtr cur = NULL;
    va_list args;

    input = ctxt->input;
    if ((input != NULL) && (input->filename == NULL) && (ctxt->inputNr > 1)) {
	cur = input;
        input = ctxt->inputTab[ctxt->inputNr - 2];
    }
        

    xmlParserPrintFileInfo(input);
        
    fprintf(stderr, "warning: ");
    va_start(args, msg);
    vfprintf(stderr, msg, args);
    va_end(args);

    xmlParserPrintFileContext(input);
    if (cur != NULL) {
        xmlParserPrintFileInfo(cur);
	fprintf(stderr, "\n");
	xmlParserPrintFileContext(cur);
    }
}

/**
 * xmlParserValidityError:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format an validity error messages, gives file,
 * line, position and extra parameters.
 */
void
xmlParserValidityError(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    va_list args;

    input = ctxt->input;
    if ((input->filename == NULL) && (ctxt->inputNr > 1))
        input = ctxt->inputTab[ctxt->inputNr - 2];
        
    xmlParserPrintFileInfo(input);

    fprintf(stderr, "validity error: ");
    va_start(args, msg);
    vfprintf(stderr, msg, args);
    va_end(args);

    xmlParserPrintFileContext(input);
}

/**
 * xmlParserValidityWarning:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format a validity warning messages, gives file, line,
 * position and extra parameters.
 */
void
xmlParserValidityWarning(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    va_list args;

    input = ctxt->input;
    if ((input->filename == NULL) && (ctxt->inputNr > 1))
        input = ctxt->inputTab[ctxt->inputNr - 2];

    xmlParserPrintFileInfo(input);
        
    fprintf(stderr, "validity warning: ");
    va_start(args, msg);
    vfprintf(stderr, msg, args);
    va_end(args);

    xmlParserPrintFileContext(input);
}