kc3-lang/libxml2/error.c
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Hash : 3473f88a
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Date : 2001-02-23T17:55:21
Revert directory structure changes
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error.c
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/* * 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 <libxml/parser.h> #include <libxml/xmlerror.h> /************************************************************************ * * * Handling of out of context errors * * * ************************************************************************/ /** * xmlGenericErrorDefaultFunc: * @ctx: an error context * @msg: the message to display/transmit * @...: extra parameters for the message display * * Default handler for out of context error messages. */ void xmlGenericErrorDefaultFunc(void *ctx, const char *msg, ...) { va_list args; if (xmlGenericErrorContext == NULL) xmlGenericErrorContext = (void *) stderr; va_start(args, msg); vfprintf((FILE *)xmlGenericErrorContext, msg, args); va_end(args); } xmlGenericErrorFunc xmlGenericError = xmlGenericErrorDefaultFunc; void *xmlGenericErrorContext = NULL; /** * xmlSetGenericErrorFunc: * @ctx: the new error handling context * @handler: the new handler function * * Function to reset the handler and the error context for out of * context error messages. * This simply means that @handler will be called for subsequent * error messages while not parsing nor validating. And @ctx will * be passed as first argument to @handler * One can simply force messages to be emitted to another FILE * than * stderr by setting @ctx to this file handle and @handler to NULL. */ void xmlSetGenericErrorFunc(void *ctx, xmlGenericErrorFunc handler) { xmlGenericErrorContext = ctx; if (handler != NULL) xmlGenericError = handler; else xmlGenericError = xmlGenericErrorDefaultFunc; } /************************************************************************ * * * Handling of parsing errors * * * ************************************************************************/ /** * 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) xmlGenericError(xmlGenericErrorContext, "%s:%d: ", input->filename, input->line); else xmlGenericError(xmlGenericErrorContext, "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)) { xmlGenericError(xmlGenericErrorContext, "%c", (unsigned char) *cur++); n++; } xmlGenericError(xmlGenericErrorContext, "\n"); cur = input->cur; while ((*cur == '\n') || (*cur == '\r')) cur--; n = 0; while ((cur != base) && (n++ < 80)) { xmlGenericError(xmlGenericErrorContext, " "); base++; } xmlGenericError(xmlGenericErrorContext,"^\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 = NULL; xmlParserInputPtr cur = NULL; va_list args; 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: "); va_start(args, msg); vfprintf(xmlGenericErrorContext, msg, args); va_end(args); 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; va_list args; 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: "); va_start(args, msg); vfprintf(xmlGenericErrorContext, msg, args); va_end(args); 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; va_list args; if (ctxt != NULL) { input = ctxt->input; if ((input->filename == NULL) && (ctxt->inputNr > 1)) input = ctxt->inputTab[ctxt->inputNr - 2]; xmlParserPrintFileInfo(input); } xmlGenericError(xmlGenericErrorContext, "validity error: "); va_start(args, msg); vfprintf(xmlGenericErrorContext, msg, args); va_end(args); if (ctxt != 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; va_list args; if (ctxt != NULL) { input = ctxt->input; if ((input->filename == NULL) && (ctxt->inputNr > 1)) input = ctxt->inputTab[ctxt->inputNr - 2]; xmlParserPrintFileInfo(input); } xmlGenericError(xmlGenericErrorContext, "validity warning: "); va_start(args, msg); vfprintf(xmlGenericErrorContext, msg, args); va_end(args); if (ctxt != NULL) { xmlParserPrintFileContext(input); } }