esp-idf/components/expat/port/chardata.c
liuhan 6e0bf01f25 components/expat: add XML parse feature
Develop and Compile XML Parse based on XMPP protocol, see expat file.
2016-08-25 16:40:23 +08:00

128 lines
2.9 KiB
C

/* Copyright (c) 1998-2003 Thai Open Source Software Center Ltd
See the file COPYING for copying permission.
chardata.c
*/
#ifdef HAVE_EXPAT_CONFIG_H
#include <expat_config.h>
#endif
#include "minicheck.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "chardata.h"
static int
xmlstrlen(const XML_Char *s)
{
int len = 0;
assert(s != NULL);
while (s[len] != 0)
++len;
return len;
}
void
CharData_Init(CharData *storage)
{
assert(storage != NULL);
storage->count = -1;
}
void
CharData_AppendString(CharData *storage, const char *s)
{
int maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
int len;
assert(s != NULL);
len = strlen(s);
if (storage->count < 0)
storage->count = 0;
if ((len + storage->count) > maxchars) {
len = (maxchars - storage->count);
}
if (len + storage->count < (int)sizeof(storage->data)) {
memcpy(storage->data + storage->count, s, len);
storage->count += len;
}
}
void
CharData_AppendXMLChars(CharData *storage, const XML_Char *s, int len)
{
int maxchars;
assert(storage != NULL);
assert(s != NULL);
maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
if (storage->count < 0)
storage->count = 0;
if (len < 0)
len = xmlstrlen(s);
if ((len + storage->count) > maxchars) {
len = (maxchars - storage->count);
}
if (len + storage->count < (int)sizeof(storage->data)) {
memcpy(storage->data + storage->count, s,
len * sizeof(storage->data[0]));
storage->count += len;
}
}
int
CharData_CheckString(CharData *storage, const char *expected)
{
char buffer[1280];
int len;
int count;
assert(storage != NULL);
assert(expected != NULL);
count = (storage->count < 0) ? 0 : storage->count;
len = strlen(expected);
if (len != count) {
if (sizeof(XML_Char) == 1)
sprintf(buffer, "wrong number of data characters:"
" got %d, expected %d:\n%s", count, len, storage->data);
else
sprintf(buffer,
"wrong number of data characters: got %d, expected %d",
count, len);
fail(buffer);
return 0;
}
if (memcmp(expected, storage->data, len) != 0) {
fail("got bad data bytes");
return 0;
}
return 1;
}
int
CharData_CheckXMLChars(CharData *storage, const XML_Char *expected)
{
char buffer[1024];
int len = xmlstrlen(expected);
int count;
assert(storage != NULL);
count = (storage->count < 0) ? 0 : storage->count;
if (len != count) {
sprintf(buffer, "wrong number of data characters: got %d, expected %d",
count, len);
fail(buffer);
return 0;
}
if (memcmp(expected, storage->data, len * sizeof(storage->data[0])) != 0) {
fail("got bad data bytes");
return 0;
}
return 1;
}