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mirror of https://gitlab.gnome.org/GNOME/libxml2.git synced 2025-07-29 11:41:22 +03:00

patch from johan@evenhuis.nl for #107937 fixing some line counting

* HTMLparser.c parser.c parserInternals.c: patch from
  johan@evenhuis.nl for #107937 fixing some line counting
  problems, and some other cleanups.
* result/HTML/: this result in some line number changes
Daniel
This commit is contained in:
Daniel Veillard
2003-03-22 00:04:05 +00:00
parent 580ced8ee2
commit 77a90a7f8e
7 changed files with 186 additions and 154 deletions

View File

@ -1095,120 +1095,131 @@ xmlParserInputShrink(xmlParserInputPtr in) {
*/
void
xmlNextChar(xmlParserCtxtPtr ctxt) {
xmlNextChar(xmlParserCtxtPtr ctxt)
{
if (ctxt->instate == XML_PARSER_EOF)
return;
return;
/*
* 2.11 End-of-Line Handling
* the literal two-character sequence "#xD#xA" or a standalone
* literal #xD, an XML processor must pass to the application
* the single character #xA.
*/
if (ctxt->charset == XML_CHAR_ENCODING_UTF8) {
if ((*ctxt->input->cur == 0) &&
(xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0) &&
(ctxt->instate != XML_PARSER_COMMENT)) {
/*
* If we are at the end of the current entity and
* the context allows it, we pop consumed entities
* automatically.
* the auto closing should be blocked in other cases
*/
xmlPopInput(ctxt);
} else {
if (*(ctxt->input->cur) == '\n') {
ctxt->input->line++; ctxt->input->col = 1;
} else ctxt->input->col++;
if (ctxt->charset == XML_CHAR_ENCODING_UTF8) {
/*
* We are supposed to handle UTF8, check it's valid
* From rfc2044: encoding of the Unicode values on UTF-8:
*
* UCS-4 range (hex.) UTF-8 octet sequence (binary)
* 0000 0000-0000 007F 0xxxxxxx
* 0000 0080-0000 07FF 110xxxxx 10xxxxxx
* 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
*
* Check for the 0x110000 limit too
*/
const unsigned char *cur = ctxt->input->cur;
unsigned char c;
if ((*ctxt->input->cur == 0) &&
(xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0) &&
(ctxt->instate != XML_PARSER_COMMENT)) {
/*
* If we are at the end of the current entity and
* the context allows it, we pop consumed entities
* automatically.
* the auto closing should be blocked in other cases
*/
xmlPopInput(ctxt);
} else {
const unsigned char *cur;
unsigned char c;
c = *cur;
if (c & 0x80) {
if (cur[1] == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
if ((cur[1] & 0xc0) != 0x80)
goto encoding_error;
if ((c & 0xe0) == 0xe0) {
unsigned int val;
/*
* 2.11 End-of-Line Handling
* the literal two-character sequence "#xD#xA" or a standalone
* literal #xD, an XML processor must pass to the application
* the single character #xA.
*/
if (*(ctxt->input->cur) == '\n') {
ctxt->input->line++;
ctxt->input->col = 1;
} else
ctxt->input->col++;
if (cur[2] == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
if ((cur[2] & 0xc0) != 0x80)
goto encoding_error;
if ((c & 0xf0) == 0xf0) {
if (cur[3] == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
if (((c & 0xf8) != 0xf0) ||
((cur[3] & 0xc0) != 0x80))
goto encoding_error;
/* 4-byte code */
ctxt->input->cur += 4;
val = (cur[0] & 0x7) << 18;
val |= (cur[1] & 0x3f) << 12;
val |= (cur[2] & 0x3f) << 6;
val |= cur[3] & 0x3f;
} else {
/* 3-byte code */
ctxt->input->cur += 3;
val = (cur[0] & 0xf) << 12;
val |= (cur[1] & 0x3f) << 6;
val |= cur[2] & 0x3f;
}
if (((val > 0xd7ff) && (val < 0xe000)) ||
((val > 0xfffd) && (val < 0x10000)) ||
(val >= 0x110000)) {
if ((ctxt->sax != NULL) &&
(ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Char 0x%X out of allowed range\n", val);
ctxt->errNo = XML_ERR_INVALID_ENCODING;
ctxt->wellFormed = 0;
if (ctxt->recovery == 0) ctxt->disableSAX = 1;
}
} else
/* 2-byte code */
ctxt->input->cur += 2;
} else
/* 1-byte code */
ctxt->input->cur++;
} else {
/*
* Assume it's a fixed length encoding (1) with
* a compatible encoding for the ASCII set, since
* XML constructs only use < 128 chars
*/
ctxt->input->cur++;
}
ctxt->nbChars++;
if (*ctxt->input->cur == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
}
/*
* We are supposed to handle UTF8, check it's valid
* From rfc2044: encoding of the Unicode values on UTF-8:
*
* UCS-4 range (hex.) UTF-8 octet sequence (binary)
* 0000 0000-0000 007F 0xxxxxxx
* 0000 0080-0000 07FF 110xxxxx 10xxxxxx
* 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
*
* Check for the 0x110000 limit too
*/
cur = ctxt->input->cur;
c = *cur;
if (c & 0x80) {
if (cur[1] == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
if ((cur[1] & 0xc0) != 0x80)
goto encoding_error;
if ((c & 0xe0) == 0xe0) {
unsigned int val;
if (cur[2] == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
if ((cur[2] & 0xc0) != 0x80)
goto encoding_error;
if ((c & 0xf0) == 0xf0) {
if (cur[3] == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
if (((c & 0xf8) != 0xf0) ||
((cur[3] & 0xc0) != 0x80))
goto encoding_error;
/* 4-byte code */
ctxt->input->cur += 4;
val = (cur[0] & 0x7) << 18;
val |= (cur[1] & 0x3f) << 12;
val |= (cur[2] & 0x3f) << 6;
val |= cur[3] & 0x3f;
} else {
/* 3-byte code */
ctxt->input->cur += 3;
val = (cur[0] & 0xf) << 12;
val |= (cur[1] & 0x3f) << 6;
val |= cur[2] & 0x3f;
}
if (((val > 0xd7ff) && (val < 0xe000)) ||
((val > 0xfffd) && (val < 0x10000)) ||
(val >= 0x110000)) {
if ((ctxt->sax != NULL) &&
(ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Char 0x%X out of allowed range\n",
val);
ctxt->errNo = XML_ERR_INVALID_ENCODING;
ctxt->wellFormed = 0;
if (ctxt->recovery == 0)
ctxt->disableSAX = 1;
}
} else
/* 2-byte code */
ctxt->input->cur += 2;
} else
/* 1-byte code */
ctxt->input->cur++;
ctxt->nbChars++;
if (*ctxt->input->cur == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
}
} else {
ctxt->input->cur++;
ctxt->nbChars++;
if (*ctxt->input->cur == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
/*
* Assume it's a fixed length encoding (1) with
* a compatible encoding for the ASCII set, since
* XML constructs only use < 128 chars
*/
if (*(ctxt->input->cur) == '\n') {
ctxt->input->line++;
ctxt->input->col = 1;
} else
ctxt->input->col++;
ctxt->input->cur++;
ctxt->nbChars++;
if (*ctxt->input->cur == 0)
xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
}
if ((*ctxt->input->cur == '%') && (!ctxt->html))
xmlParserHandlePEReference(ctxt);
xmlParserHandlePEReference(ctxt);
if ((*ctxt->input->cur == 0) &&
(xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0))
xmlPopInput(ctxt);
xmlPopInput(ctxt);
return;
encoding_error:
encoding_error:
/*
* If we detect an UTF8 error that probably mean that the
* input encoding didn't get properly advertised in the
@ -1217,16 +1228,17 @@ encoding_error:
* encoding !)
*/
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) {
ctxt->sax->error(ctxt->userData,
"Input is not proper UTF-8, indicate encoding !\n");
ctxt->sax->error(ctxt->userData, "Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n",
ctxt->input->cur[0], ctxt->input->cur[1],
ctxt->input->cur[2], ctxt->input->cur[3]);
ctxt->sax->error(ctxt->userData,
"Input is not proper UTF-8, indicate encoding !\n");
ctxt->sax->error(ctxt->userData,
"Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n",
ctxt->input->cur[0], ctxt->input->cur[1],
ctxt->input->cur[2], ctxt->input->cur[3]);
}
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_INVALID_ENCODING;
ctxt->charset = XML_CHAR_ENCODING_8859_1;
ctxt->charset = XML_CHAR_ENCODING_8859_1;
ctxt->input->cur++;
return;
}