📄 error.c
字号:
if (msg == NULL) {
str = (char *) xmlStrdup(BAD_CAST "No error message provided");
} else {
XML_GET_VAR_STR(msg, str);
}
/*
* specific processing if a parser context is provided
*/
if (ctxt != NULL) {
if (file == NULL) {
input = ctxt->input;
if ((input != NULL) && (input->filename == NULL) &&
(ctxt->inputNr > 1)) {
input = ctxt->inputTab[ctxt->inputNr - 2];
}
if (input != NULL) {
file = input->filename;
line = input->line;
col = input->col;
}
}
to = &ctxt->lastError;
} else if ((node != NULL) && (file == NULL)) {
int i;
if ((node->doc != NULL) && (node->doc->URL != NULL)) {
baseptr = node;
file = (const char *) node->doc->URL;
}
for (i = 0;
((i < 10) && (node != NULL) && (node->type != XML_ELEMENT_NODE));
i++)
node = node->parent;
if ((baseptr == NULL) && (node != NULL) &&
(node->doc != NULL) && (node->doc->URL != NULL))
baseptr = node;
if ((node != NULL) && (node->type == XML_ELEMENT_NODE))
line = node->line;
}
/*
* Save the information about the error
*/
xmlResetError(to);
to->domain = domain;
to->code = code;
to->message = str;
to->level = level;
if (file != NULL)
to->file = (char *) xmlStrdup((const xmlChar *) file);
else if (baseptr != NULL) {
#ifdef LIBXML_XINCLUDE_ENABLED
/*
* We check if the error is within an XInclude section and,
* if so, attempt to print out the href of the XInclude instead
* of the usual "base" (doc->URL) for the node (bug 152623).
*/
xmlNodePtr prev = baseptr;
int inclcount = 0;
while (prev != NULL) {
if (prev->prev == NULL)
prev = prev->parent;
else {
prev = prev->prev;
if (prev->type == XML_XINCLUDE_START) {
if (--inclcount < 0)
break;
} else if (prev->type == XML_XINCLUDE_END)
inclcount++;
}
}
if (prev != NULL) {
to->file = (char *) xmlGetProp(prev, BAD_CAST "href");
} else
#endif
to->file = (char *) xmlStrdup(baseptr->doc->URL);
file = to->file;
}
to->line = line;
if (str1 != NULL)
to->str1 = (char *) xmlStrdup((const xmlChar *) str1);
if (str2 != NULL)
to->str2 = (char *) xmlStrdup((const xmlChar *) str2);
if (str3 != NULL)
to->str3 = (char *) xmlStrdup((const xmlChar *) str3);
to->int1 = int1;
to->int2 = col;
to->node = node;
to->ctxt = ctx;
if (to != &xmlLastError)
xmlCopyError(to,&xmlLastError);
/*
* Find the callback channel if channel param is NULL
*/
if ((ctxt != NULL) && (channel == NULL) && (xmlStructuredError == NULL) && (ctxt->sax != NULL)) {
if (level == XML_ERR_WARNING)
channel = ctxt->sax->warning;
else
channel = ctxt->sax->error;
data = ctxt->userData;
} else if (channel == NULL) {
if (xmlStructuredError != NULL)
schannel = xmlStructuredError;
else
channel = xmlGenericError;
data = xmlGenericErrorContext;
}
if (schannel != NULL) {
schannel(data, to);
return;
}
if (channel == NULL)
return;
if ((channel == xmlParserError) ||
(channel == xmlParserWarning) ||
(channel == xmlParserValidityError) ||
(channel == xmlParserValidityWarning))
xmlReportError(to, ctxt, str, NULL, NULL);
else if ((channel == (xmlGenericErrorFunc) fprintf) ||
(channel == xmlGenericErrorDefaultFunc))
xmlReportError(to, ctxt, str, channel, data);
else
channel(data, "%s", str);
}
/**
* __xmlSimpleError:
* @domain: where the error comes from
* @code: the error code
* @node: the context node
* @extra: extra informations
*
* Handle an out of memory condition
*/
void
__xmlSimpleError(int domain, int code, xmlNodePtr node,
const char *msg, const char *extra)
{
if (code == XML_ERR_NO_MEMORY) {
if (extra)
__xmlRaiseError(NULL, NULL, NULL, NULL, node, domain,
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra,
NULL, NULL, 0, 0,
"Memory allocation failed : %s\n", extra);
else
__xmlRaiseError(NULL, NULL, NULL, NULL, node, domain,
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL,
NULL, NULL, 0, 0, "Memory allocation failed\n");
} else {
__xmlRaiseError(NULL, NULL, NULL, NULL, node, domain,
code, XML_ERR_ERROR, NULL, 0, extra,
NULL, NULL, 0, 0, msg, extra);
}
}
/**
* 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 = NULL;
xmlParserInputPtr cur = NULL;
char * str;
if (ctxt != NULL) {
input = ctxt->input;
if ((input != NULL) && (input->filename == NULL) &&
(ctxt->inputNr > 1)) {
cur = input;
input = ctxt->inputTab[ctxt->inputNr - 2];
}
xmlParserPrintFileInfo(input);
}
xmlGenericError(xmlGenericErrorContext, "error: ");
XML_GET_VAR_STR(msg, str);
xmlGenericError(xmlGenericErrorContext, "%s", str);
if (str != NULL)
xmlFree(str);
if (ctxt != NULL) {
xmlParserPrintFileContext(input);
if (cur != NULL) {
xmlParserPrintFileInfo(cur);
xmlGenericError(xmlGenericErrorContext, "\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 = NULL;
xmlParserInputPtr cur = NULL;
char * str;
if (ctxt != NULL) {
input = ctxt->input;
if ((input != NULL) && (input->filename == NULL) &&
(ctxt->inputNr > 1)) {
cur = input;
input = ctxt->inputTab[ctxt->inputNr - 2];
}
xmlParserPrintFileInfo(input);
}
xmlGenericError(xmlGenericErrorContext, "warning: ");
XML_GET_VAR_STR(msg, str);
xmlGenericError(xmlGenericErrorContext, "%s", str);
if (str != NULL)
xmlFree(str);
if (ctxt != NULL) {
xmlParserPrintFileContext(input);
if (cur != NULL) {
xmlParserPrintFileInfo(cur);
xmlGenericError(xmlGenericErrorContext, "\n");
xmlParserPrintFileContext(cur);
}
}
}
/************************************************************************
* *
* Handling of validation errors *
* *
************************************************************************/
/**
* 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 = NULL;
char * str;
int len = xmlStrlen((const xmlChar *) msg);
static int had_info = 0;
if ((len > 1) && (msg[len - 2] != ':')) {
if (ctxt != NULL) {
input = ctxt->input;
if ((input->filename == NULL) && (ctxt->inputNr > 1))
input = ctxt->inputTab[ctxt->inputNr - 2];
if (had_info == 0) {
xmlParserPrintFileInfo(input);
}
}
xmlGenericError(xmlGenericErrorContext, "validity error: ");
had_info = 0;
} else {
had_info = 1;
}
XML_GET_VAR_STR(msg, str);
xmlGenericError(xmlGenericErrorContext, "%s", str);
if (str != NULL)
xmlFree(str);
if ((ctxt != NULL) && (input != NULL)) {
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 = NULL;
char * str;
int len = xmlStrlen((const xmlChar *) msg);
if ((ctxt != NULL) && (len != 0) && (msg[len - 1] != ':')) {
input = ctxt->input;
if ((input->filename == NULL) && (ctxt->inputNr > 1))
input = ctxt->inputTab[ctxt->inputNr - 2];
xmlParserPrintFileInfo(input);
}
xmlGenericError(xmlGenericErrorContext, "validity warning: ");
XML_GET_VAR_STR(msg, str);
xmlGenericError(xmlGenericErrorContext, "%s", str);
if (str != NULL)
xmlFree(str);
if (ctxt != NULL) {
xmlParserPrintFileContext(input);
}
}
/************************************************************************
* *
* Extended Error Handling *
* *
************************************************************************/
/**
* xmlGetLastError:
*
* Get the last global error registered. This is per thread if compiled
* with thread support.
*
* Returns NULL if no error occured or a pointer to the error
*/
xmlErrorPtr
xmlGetLastError(void)
{
if (xmlLastError.code == XML_ERR_OK)
return (NULL);
return (&xmlLastError);
}
/**
* xmlResetError:
* @err: pointer to the error.
*
* Cleanup the error.
*/
void
xmlResetError(xmlErrorPtr err)
{
if (err == NULL)
return;
if (err->code == XML_ERR_OK)
return;
if (err->message != NULL)
xmlFree(err->message);
if (err->file != NULL)
xmlFree(err->file);
if (err->str1 != NULL)
xmlFree(err->str1);
if (err->str2 != NULL)
xmlFree(err->str2);
if (err->str3 != NULL)
xmlFree(err->str3);
memset(err, 0, sizeof(xmlError));
err->code = XML_ERR_OK;
}
/**
* xmlResetLastError:
*
* Cleanup the last global error registered. For parsing error
* this does not change the well-formedness result.
*/
void
xmlResetLastError(void)
{
if (xmlLastError.code == XML_ERR_OK)
return;
xmlResetError(&xmlLastError);
}
/**
* xmlCtxtGetLastError:
* @ctx: an XML parser context
*
* Get the last parsing error registered.
*
* Returns NULL if no error occured or a pointer to the error
*/
xmlErrorPtr
xmlCtxtGetLastError(void *ctx)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
if (ctxt == NULL)
return (NULL);
if (ctxt->lastError.code == XML_ERR_OK)
return (NULL);
return (&ctxt->lastError);
}
/**
* xmlCtxtResetLastError:
* @ctx: an XML parser context
*
* Cleanup the last global error registered. For parsing error
* this does not change the well-formedness result.
*/
void
xmlCtxtResetLastError(void *ctx)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
if (ctxt == NULL)
return;
if (ctxt->lastError.code == XML_ERR_OK)
return;
xmlResetError(&ctxt->lastError);
}
/**
* xmlCopyError:
* @from: a source error
* @to: a target error
*
* Save the original error to the new place.
*
* Returns 0 in case of success and -1 in case of error.
*/
int
xmlCopyError(xmlErrorPtr from, xmlErrorPtr to) {
char *message, *file, *str1, *str2, *str3;
if ((from == NULL) || (to == NULL))
return(-1);
message = (char *) xmlStrdup((xmlChar *) from->message);
file = (char *) xmlStrdup ((xmlChar *) from->file);
str1 = (char *) xmlStrdup ((xmlChar *) from->str1);
str2 = (char *) xmlStrdup ((xmlChar *) from->str2);
str3 = (char *) xmlStrdup ((xmlChar *) from->str3);
if (to->message != NULL)
xmlFree(to->message);
if (to->file != NULL)
xmlFree(to->file);
if (to->str1 != NULL)
xmlFree(to->str1);
if (to->str2 != NULL)
xmlFree(to->str2);
if (to->str3 != NULL)
xmlFree(to->str3);
to->domain = from->domain;
to->code = from->code;
to->level = from->level;
to->line = from->line;
to->node = from->node;
to->int1 = from->int1;
to->int2 = from->int2;
to->node = from->node;
to->ctxt = from->ctxt;
to->message = message;
to->file = file;
to->str1 = str1;
to->str2 = str2;
to->str3 = str3;
return 0;
}
#define bottom_error
#include "elfgcchack.h"
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -