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authorWilliam Joye <wjoye@cfa.harvard.edu>2017-05-03 15:29:42 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2017-05-03 15:29:42 (GMT)
commit937cfaf1a06a4a9d0c8ba119d7ce820878ff9058 (patch)
treef7b0b1bcce9ae963a0a069eafa552350eb4ee391 /libxml2/error.c
parent4b8453f0303492a1de2dcf854555f6429fac550e (diff)
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-rw-r--r--libxml2/error.c998
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diff --git a/libxml2/error.c b/libxml2/error.c
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index 0000000..9606f13
--- /dev/null
+++ b/libxml2/error.c
@@ -0,0 +1,998 @@
+/*
+ * error.c: module displaying/handling XML parser errors
+ *
+ * See Copyright for the status of this software.
+ *
+ * Daniel Veillard <daniel@veillard.com>
+ */
+
+#define IN_LIBXML
+#include "libxml.h"
+
+#include <string.h>
+#include <stdarg.h>
+#include <libxml/parser.h>
+#include <libxml/xmlerror.h>
+#include <libxml/xmlmemory.h>
+#include <libxml/globals.h>
+
+void XMLCDECL xmlGenericErrorDefaultFunc (void *ctx ATTRIBUTE_UNUSED,
+ const char *msg,
+ ...) LIBXML_ATTR_FORMAT(2,3);
+
+#define XML_GET_VAR_STR(msg, str) { \
+ int size, prev_size = -1; \
+ int chars; \
+ char *larger; \
+ va_list ap; \
+ \
+ str = (char *) xmlMalloc(150); \
+ if (str != NULL) { \
+ \
+ size = 150; \
+ \
+ while (size < 64000) { \
+ va_start(ap, msg); \
+ chars = vsnprintf(str, size, msg, ap); \
+ va_end(ap); \
+ if ((chars > -1) && (chars < size)) { \
+ if (prev_size == chars) { \
+ break; \
+ } else { \
+ prev_size = chars; \
+ } \
+ } \
+ if (chars > -1) \
+ size += chars + 1; \
+ else \
+ size += 100; \
+ if ((larger = (char *) xmlRealloc(str, size)) == NULL) {\
+ break; \
+ } \
+ str = larger; \
+ }} \
+}
+
+/************************************************************************
+ * *
+ * 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 XMLCDECL
+xmlGenericErrorDefaultFunc(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...) {
+ va_list args;
+
+ if (xmlGenericErrorContext == NULL)
+ xmlGenericErrorContext = (void *) stderr;
+
+ va_start(args, msg);
+ vfprintf((FILE *)xmlGenericErrorContext, msg, args);
+ va_end(args);
+}
+
+/**
+ * initGenericErrorDefaultFunc:
+ * @handler: the handler
+ *
+ * Set or reset (if NULL) the default handler for generic errors
+ * to the builtin error function.
+ */
+void
+initGenericErrorDefaultFunc(xmlGenericErrorFunc * handler)
+{
+ if (handler == NULL)
+ xmlGenericError = xmlGenericErrorDefaultFunc;
+ else
+ xmlGenericError = (*handler);
+}
+
+/**
+ * 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.
+ * For multi-threaded applications, this must be set separately for each thread.
+ */
+void
+xmlSetGenericErrorFunc(void *ctx, xmlGenericErrorFunc handler) {
+ xmlGenericErrorContext = ctx;
+ if (handler != NULL)
+ xmlGenericError = handler;
+ else
+ xmlGenericError = xmlGenericErrorDefaultFunc;
+}
+
+/**
+ * xmlSetStructuredErrorFunc:
+ * @ctx: the new error handling context
+ * @handler: the new handler function
+ *
+ * Function to reset the handler and the error context for out of
+ * context structured 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
+ * For multi-threaded applications, this must be set separately for each thread.
+ */
+void
+xmlSetStructuredErrorFunc(void *ctx, xmlStructuredErrorFunc handler) {
+ xmlStructuredErrorContext = ctx;
+ xmlStructuredError = handler;
+}
+
+/************************************************************************
+ * *
+ * 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
+ */
+
+static void
+xmlParserPrintFileContextInternal(xmlParserInputPtr input ,
+ xmlGenericErrorFunc channel, void *data ) {
+ const xmlChar *cur, *base;
+ unsigned int n, col; /* GCC warns if signed, because compared with sizeof() */
+ xmlChar content[81]; /* space for 80 chars + line terminator */
+ xmlChar *ctnt;
+
+ if ((input == NULL) || (input->cur == NULL))
+ return;
+
+ cur = input->cur;
+ base = input->base;
+ /* skip backwards over any end-of-lines */
+ while ((cur > base) && ((*(cur) == '\n') || (*(cur) == '\r'))) {
+ cur--;
+ }
+ n = 0;
+ /* search backwards for beginning-of-line (to max buff size) */
+ while ((n++ < (sizeof(content)-1)) && (cur > base) &&
+ (*(cur) != '\n') && (*(cur) != '\r'))
+ cur--;
+ if ((*(cur) == '\n') || (*(cur) == '\r')) cur++;
+ /* calculate the error position in terms of the current position */
+ col = input->cur - cur;
+ /* search forward for end-of-line (to max buff size) */
+ n = 0;
+ ctnt = content;
+ /* copy selected text to our buffer */
+ while ((*cur != 0) && (*(cur) != '\n') &&
+ (*(cur) != '\r') && (n < sizeof(content)-1)) {
+ *ctnt++ = *cur++;
+ n++;
+ }
+ *ctnt = 0;
+ /* print out the selected text */
+ channel(data ,"%s\n", content);
+ /* create blank line with problem pointer */
+ n = 0;
+ ctnt = content;
+ /* (leave buffer space for pointer + line terminator) */
+ while ((n<col) && (n++ < sizeof(content)-2) && (*ctnt != 0)) {
+ if (*(ctnt) != '\t')
+ *(ctnt) = ' ';
+ ctnt++;
+ }
+ *ctnt++ = '^';
+ *ctnt = 0;
+ channel(data ,"%s\n", content);
+}
+
+/**
+ * xmlParserPrintFileContext:
+ * @input: an xmlParserInputPtr input
+ *
+ * Displays current context within the input content for error tracking
+ */
+void
+xmlParserPrintFileContext(xmlParserInputPtr input) {
+ xmlParserPrintFileContextInternal(input, xmlGenericError,
+ xmlGenericErrorContext);
+}
+
+/**
+ * xmlReportError:
+ * @err: the error
+ * @ctx: the parser context or NULL
+ * @str: the formatted error message
+ *
+ * Report an erro with its context, replace the 4 old error/warning
+ * routines.
+ */
+static void
+xmlReportError(xmlErrorPtr err, xmlParserCtxtPtr ctxt, const char *str,
+ xmlGenericErrorFunc channel, void *data)
+{
+ char *file = NULL;
+ int line = 0;
+ int code = -1;
+ int domain;
+ const xmlChar *name = NULL;
+ xmlNodePtr node;
+ xmlErrorLevel level;
+ xmlParserInputPtr input = NULL;
+ xmlParserInputPtr cur = NULL;
+
+ if (err == NULL)
+ return;
+
+ if (channel == NULL) {
+ channel = xmlGenericError;
+ data = xmlGenericErrorContext;
+ }
+ file = err->file;
+ line = err->line;
+ code = err->code;
+ domain = err->domain;
+ level = err->level;
+ node = err->node;
+
+ if (code == XML_ERR_OK)
+ return;
+
+ if ((node != NULL) && (node->type == XML_ELEMENT_NODE))
+ name = node->name;
+
+ /*
+ * Maintain the compatibility with the legacy error handling
+ */
+ if (ctxt != NULL) {
+ input = ctxt->input;
+ if ((input != NULL) && (input->filename == NULL) &&
+ (ctxt->inputNr > 1)) {
+ cur = input;
+ input = ctxt->inputTab[ctxt->inputNr - 2];
+ }
+ if (input != NULL) {
+ if (input->filename)
+ channel(data, "%s:%d: ", input->filename, input->line);
+ else if ((line != 0) && (domain == XML_FROM_PARSER))
+ channel(data, "Entity: line %d: ", input->line);
+ }
+ } else {
+ if (file != NULL)
+ channel(data, "%s:%d: ", file, line);
+ else if ((line != 0) &&
+ ((domain == XML_FROM_PARSER) || (domain == XML_FROM_SCHEMASV)||
+ (domain == XML_FROM_SCHEMASP)||(domain == XML_FROM_DTD) ||
+ (domain == XML_FROM_RELAXNGP)||(domain == XML_FROM_RELAXNGV)))
+ channel(data, "Entity: line %d: ", line);
+ }
+ if (name != NULL) {
+ channel(data, "element %s: ", name);
+ }
+ switch (domain) {
+ case XML_FROM_PARSER:
+ channel(data, "parser ");
+ break;
+ case XML_FROM_NAMESPACE:
+ channel(data, "namespace ");
+ break;
+ case XML_FROM_DTD:
+ case XML_FROM_VALID:
+ channel(data, "validity ");
+ break;
+ case XML_FROM_HTML:
+ channel(data, "HTML parser ");
+ break;
+ case XML_FROM_MEMORY:
+ channel(data, "memory ");
+ break;
+ case XML_FROM_OUTPUT:
+ channel(data, "output ");
+ break;
+ case XML_FROM_IO:
+ channel(data, "I/O ");
+ break;
+ case XML_FROM_XINCLUDE:
+ channel(data, "XInclude ");
+ break;
+ case XML_FROM_XPATH:
+ channel(data, "XPath ");
+ break;
+ case XML_FROM_XPOINTER:
+ channel(data, "parser ");
+ break;
+ case XML_FROM_REGEXP:
+ channel(data, "regexp ");
+ break;
+ case XML_FROM_MODULE:
+ channel(data, "module ");
+ break;
+ case XML_FROM_SCHEMASV:
+ channel(data, "Schemas validity ");
+ break;
+ case XML_FROM_SCHEMASP:
+ channel(data, "Schemas parser ");
+ break;
+ case XML_FROM_RELAXNGP:
+ channel(data, "Relax-NG parser ");
+ break;
+ case XML_FROM_RELAXNGV:
+ channel(data, "Relax-NG validity ");
+ break;
+ case XML_FROM_CATALOG:
+ channel(data, "Catalog ");
+ break;
+ case XML_FROM_C14N:
+ channel(data, "C14N ");
+ break;
+ case XML_FROM_XSLT:
+ channel(data, "XSLT ");
+ break;
+ case XML_FROM_I18N:
+ channel(data, "encoding ");
+ break;
+ case XML_FROM_SCHEMATRONV:
+ channel(data, "schematron ");
+ break;
+ case XML_FROM_BUFFER:
+ channel(data, "internal buffer ");
+ break;
+ case XML_FROM_URI:
+ channel(data, "URI ");
+ break;
+ default:
+ break;
+ }
+ switch (level) {
+ case XML_ERR_NONE:
+ channel(data, ": ");
+ break;
+ case XML_ERR_WARNING:
+ channel(data, "warning : ");
+ break;
+ case XML_ERR_ERROR:
+ channel(data, "error : ");
+ break;
+ case XML_ERR_FATAL:
+ channel(data, "error : ");
+ break;
+ }
+ if (str != NULL) {
+ int len;
+ len = xmlStrlen((const xmlChar *)str);
+ if ((len > 0) && (str[len - 1] != '\n'))
+ channel(data, "%s\n", str);
+ else
+ channel(data, "%s", str);
+ } else {
+ channel(data, "%s\n", "out of memory error");
+ }
+
+ if (ctxt != NULL) {
+ xmlParserPrintFileContextInternal(input, channel, data);
+ if (cur != NULL) {
+ if (cur->filename)
+ channel(data, "%s:%d: \n", cur->filename, cur->line);
+ else if ((line != 0) && (domain == XML_FROM_PARSER))
+ channel(data, "Entity: line %d: \n", cur->line);
+ xmlParserPrintFileContextInternal(cur, channel, data);
+ }
+ }
+ if ((domain == XML_FROM_XPATH) && (err->str1 != NULL) &&
+ (err->int1 < 100) &&
+ (err->int1 < xmlStrlen((const xmlChar *)err->str1))) {
+ xmlChar buf[150];
+ int i;
+
+ channel(data, "%s\n", err->str1);
+ for (i=0;i < err->int1;i++)
+ buf[i] = ' ';
+ buf[i++] = '^';
+ buf[i] = 0;
+ channel(data, "%s\n", buf);
+ }
+}
+
+/**
+ * __xmlRaiseError:
+ * @schannel: the structured callback channel
+ * @channel: the old callback channel
+ * @data: the callback data
+ * @ctx: the parser context or NULL
+ * @ctx: the parser context or NULL
+ * @domain: the domain for the error
+ * @code: the code for the error
+ * @level: the xmlErrorLevel for the error
+ * @file: the file source of the error (or NULL)
+ * @line: the line of the error or 0 if N/A
+ * @str1: extra string info
+ * @str2: extra string info
+ * @str3: extra string info
+ * @int1: extra int info
+ * @col: column number of the error or 0 if N/A
+ * @msg: the message to display/transmit
+ * @...: extra parameters for the message display
+ *
+ * Update the appropriate global or contextual error structure,
+ * then forward the error message down the parser or generic
+ * error callback handler
+ */
+void XMLCDECL
+__xmlRaiseError(xmlStructuredErrorFunc schannel,
+ xmlGenericErrorFunc channel, void *data, void *ctx,
+ void *nod, int domain, int code, xmlErrorLevel level,
+ const char *file, int line, const char *str1,
+ const char *str2, const char *str3, int int1, int col,
+ const char *msg, ...)
+{
+ xmlParserCtxtPtr ctxt = NULL;
+ xmlNodePtr node = (xmlNodePtr) nod;
+ char *str = NULL;
+ xmlParserInputPtr input = NULL;
+ xmlErrorPtr to = &xmlLastError;
+ xmlNodePtr baseptr = NULL;
+
+ if (code == XML_ERR_OK)
+ return;
+ if ((xmlGetWarningsDefaultValue == 0) && (level == XML_ERR_WARNING))
+ return;
+ if ((domain == XML_FROM_PARSER) || (domain == XML_FROM_HTML) ||
+ (domain == XML_FROM_DTD) || (domain == XML_FROM_NAMESPACE) ||
+ (domain == XML_FROM_IO) || (domain == XML_FROM_VALID)) {
+ ctxt = (xmlParserCtxtPtr) ctx;
+ if ((schannel == NULL) && (ctxt != NULL) && (ctxt->sax != NULL) &&
+ (ctxt->sax->initialized == XML_SAX2_MAGIC) &&
+ (ctxt->sax->serror != NULL)) {
+ schannel = ctxt->sax->serror;
+ data = ctxt->userData;
+ }
+ }
+ /*
+ * Check if structured error handler set
+ */
+ if (schannel == NULL) {
+ schannel = xmlStructuredError;
+ /*
+ * if user has defined handler, change data ptr to user's choice
+ */
+ if (schannel != NULL)
+ data = xmlStructuredErrorContext;
+ }
+ /*
+ * Formatting the message
+ */
+ 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;
+ if ((line == 0) || (line == 65535))
+ line = xmlGetLineNo(node);
+ }
+
+ /*
+ * 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) {
+ if (prev->type == XML_XINCLUDE_START) {
+ prev->type = XML_ELEMENT_NODE;
+ to->file = (char *) xmlGetProp(prev, BAD_CAST "href");
+ prev->type = XML_XINCLUDE_START;
+ } else {
+ to->file = (char *) xmlGetProp(prev, BAD_CAST "href");
+ }
+ } else
+#endif
+ to->file = (char *) xmlStrdup(baseptr->doc->URL);
+ if ((to->file == NULL) && (node != NULL) && (node->doc != NULL)) {
+ to->file = (char *) xmlStrdup(node->doc->URL);
+ }
+ }
+ 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);
+
+ if (schannel != NULL) {
+ schannel(data, to);
+ return;
+ }
+
+ /*
+ * 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) {
+ channel = xmlGenericError;
+ if (ctxt != NULL) {
+ data = ctxt;
+ } else {
+ data = xmlGenericErrorContext;
+ }
+ }
+ 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 XMLCDECL
+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 XMLCDECL
+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 XMLCDECL
+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 XMLCDECL
+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;
+ ctxt->errNo = XML_ERR_OK;
+ 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"