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A *complete* inventory of every message has been completed, and the dispatchTable 

reflects such. Some fleshed in report formatters are included with cases for
several of Tidy's reports, but nothing is yet enabled. All reporting is status
quo, and this is just a bunch of dead code at this point.
This commit is contained in:
Jim Derry 2017-09-02 16:47:14 -04:00
parent 83263466f2
commit 00178113c8
2 changed files with 503 additions and 4 deletions
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505
src/message.c
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@ -217,10 +217,509 @@ static void messageOut( TidyMessageImpl *message )
/*********************************************************************
* High Level Message Writing Functions - General
* Report Formatting
* In order to provide a single, predictable reporting system, Tidy
* provides an extensible messaging system that provides most of the
* basic requirements for most reports, while permitting simple
* implementation of new reports in a flexible manner. By adding
* additional formatters, new messages can be added easily while
* maintaining Tidy's internal organization.
*********************************************************************/
/* Functions of this type will create new instances of TidyMessage specific to
** the type of report being emitted. Many messages share the same fomatter for
** messages, but new ones can be written as required.
*/
typedef TidyMessageImpl*(messageFormatter)(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args);
/* Forward declarations of messageFormatter functions. */
static messageFormatter formatAttributeReport;
static messageFormatter formatBadArgument;
static messageFormatter formatCustomTagDetected;
static messageFormatter formatFileError;
static messageFormatter formatStandard;
static messageFormatter formatStandardDynamic;
/* This structure ties together for each report Code the default
** TidyReportLevel, the Formatter to be used to construct the message, and the
** Next code to output, if applicable. Assuming an existing formatter can,
** this it makes it simple to output new reports, or to change report level by
** modifying this array.
*/
static struct _dispatchTable {
uint code; /**< The message code. */
TidyReportLevel level; /**< The default TidyReportLevel of the message. */
messageFormatter *handler; /**< The formatter for the report. */
uint next; /**< If multiple codes should be displayed, which is next? */
} dispatchTable[] = {
{ ADDED_MISSING_CHARSET, TidyInfo, formatStandard },
{ ANCHOR_NOT_UNIQUE, TidyWarning, formatAttributeReport },
{ APOS_UNDEFINED, TidyWarning, NULL },
{ ATTR_VALUE_NOT_LCASE, TidyWarning, formatAttributeReport },
{ ATTRIBUTE_VALUE_REPLACED, TidyInfo, NULL },
{ ATTRIBUTE_IS_NOT_ALLOWED, TidyWarning, formatAttributeReport },
{ BACKSLASH_IN_URI, TidyWarning, formatAttributeReport },
{ BAD_ATTRIBUTE_VALUE_REPLACED, TidyWarning, formatAttributeReport },
{ BAD_ATTRIBUTE_VALUE, TidyWarning, formatAttributeReport },
{ BAD_CDATA_CONTENT, TidyWarning, formatStandard },
{ BAD_SUMMARY_HTML5, TidyWarning, formatStandard },
{ BAD_SURROGATE_LEAD, TidyWarning, NULL },
{ BAD_SURROGATE_PAIR, TidyWarning, NULL },
{ BAD_SURROGATE_TAIL, TidyWarning, NULL },
{ CANT_BE_NESTED, TidyWarning, formatStandard },
{ COERCE_TO_ENDTAG, TidyWarning, formatStandard },
{ CONTENT_AFTER_BODY, TidyWarning, formatStandard },
{ CUSTOM_TAG_DETECTED, TidyInfo, formatCustomTagDetected },
{ DISCARDING_UNEXPECTED, 0, formatStandardDynamic },
{ DOCTYPE_AFTER_TAGS, TidyWarning, formatStandard },
{ DUPLICATE_FRAMESET, TidyError, formatStandard },
{ ELEMENT_NOT_EMPTY, TidyWarning, formatStandard },
{ ELEMENT_VERS_MISMATCH_ERROR, TidyError, formatStandard },
{ ELEMENT_VERS_MISMATCH_WARN, TidyWarning, formatStandard },
{ ENCODING_MISMATCH, TidyWarning, NULL },
{ ESCAPED_ILLEGAL_URI, TidyWarning, formatAttributeReport },
{ FILE_CANT_OPEN, TidyBadDocument, formatFileError },
{ FILE_NOT_FILE, TidyBadDocument, formatFileError },
{ FIXED_BACKSLASH, TidyWarning, formatAttributeReport },
{ FOUND_STYLE_IN_BODY, TidyWarning, formatStandard },
{ ID_NAME_MISMATCH, TidyWarning, formatAttributeReport },
{ ILLEGAL_NESTING, TidyWarning, formatStandard },
{ ILLEGAL_URI_CODEPOINT, TidyWarning, formatAttributeReport },
{ ILLEGAL_URI_REFERENCE, TidyWarning, formatAttributeReport },
{ INSERTING_AUTO_ATTRIBUTE, TidyWarning, formatAttributeReport },
{ INSERTING_TAG, TidyWarning, formatStandard },
{ INVALID_ATTRIBUTE, TidyWarning, formatAttributeReport },
{ INVALID_NCR, TidyWarning, NULL },
{ INVALID_SGML_CHARS, TidyWarning, NULL },
{ INVALID_UTF8, TidyWarning, NULL },
{ INVALID_UTF16, TidyWarning, NULL },
{ INVALID_XML_ID, TidyWarning, formatAttributeReport },
{ JOINING_ATTRIBUTE, TidyWarning, formatAttributeReport },
{ MALFORMED_COMMENT, TidyWarning, formatStandard },
{ MALFORMED_DOCTYPE, TidyWarning, formatStandard },
{ MISMATCHED_ATTRIBUTE_ERROR, TidyError, formatAttributeReport },
{ MISMATCHED_ATTRIBUTE_WARN, TidyWarning, formatAttributeReport },
{ MISSING_ATTR_VALUE, TidyWarning, formatAttributeReport },
{ MISSING_ATTRIBUTE, TidyWarning, NULL },
{ MISSING_DOCTYPE, TidyWarning, formatStandard },
{ MISSING_ENDTAG_BEFORE, TidyWarning, formatStandard },
{ MISSING_ENDTAG_FOR, TidyWarning, formatStandard },
{ MISSING_IMAGEMAP, TidyWarning, formatAttributeReport },
{ MISSING_QUOTEMARK, TidyWarning, formatAttributeReport },
{ MISSING_SEMICOLON_NCR, TidyWarning, NULL },
{ MISSING_SEMICOLON, TidyWarning, NULL },
{ MISSING_STARTTAG, TidyWarning, formatStandard },
{ MISSING_TITLE_ELEMENT, TidyWarning, formatStandard },
{ MOVED_STYLE_TO_HEAD, TidyWarning, formatStandard },
{ NESTED_EMPHASIS, TidyWarning, formatStandard },
{ NESTED_QUOTATION, TidyWarning, formatStandard },
{ NEWLINE_IN_URI, TidyWarning, formatAttributeReport },
{ NOFRAMES_CONTENT, TidyWarning, formatStandard },
{ NON_MATCHING_ENDTAG, TidyWarning, formatStandard },
{ OBSOLETE_ELEMENT, TidyWarning, formatStandard },
{ PREVIOUS_LOCATION, TidyInfo, formatStandard },
{ PROPRIETARY_ATTR_VALUE, TidyWarning, formatAttributeReport },
{ PROPRIETARY_ATTRIBUTE, TidyWarning, formatAttributeReport },
{ PROPRIETARY_ELEMENT, TidyWarning, formatStandard },
{ REMOVED_HTML5, TidyWarning, formatStandard },
{ REPEATED_ATTRIBUTE, TidyWarning, formatAttributeReport },
{ REPLACING_ELEMENT, TidyWarning, formatStandard },
{ REPLACING_UNEX_ELEMENT, TidyWarning, formatStandard },
{ SPACE_PRECEDING_XMLDECL, TidyWarning, formatStandard },
{ STRING_MISSING_MALFORMED, TidyConfig, formatBadArgument },
{ SUSPECTED_MISSING_QUOTE, TidyError, formatStandard },
{ TAG_NOT_ALLOWED_IN, TidyWarning, formatStandard, PREVIOUS_LOCATION },
{ TOO_MANY_ELEMENTS_IN, TidyWarning, formatStandard, PREVIOUS_LOCATION },
{ TOO_MANY_ELEMENTS, TidyWarning, formatStandard },
{ TRIM_EMPTY_ELEMENT, TidyWarning, formatStandard },
{ UNESCAPED_AMPERSAND, TidyWarning, NULL },
{ UNEXPECTED_END_OF_FILE_ATTR, TidyWarning, formatAttributeReport },
{ UNEXPECTED_END_OF_FILE, TidyWarning, formatStandard },
{ UNEXPECTED_ENDTAG_IN, TidyError, formatStandard },
{ UNEXPECTED_ENDTAG, TidyWarning, formatStandard },
{ UNEXPECTED_ENDTAG_ERR, TidyError, formatStandard },
{ UNEXPECTED_EQUALSIGN, TidyWarning, formatAttributeReport },
{ UNEXPECTED_GT, TidyWarning, formatAttributeReport },
{ UNEXPECTED_QUOTEMARK, TidyWarning, formatAttributeReport },
{ UNKNOWN_ELEMENT_LOOKS_CUSTOM, TidyError, formatStandard },
{ UNKNOWN_ELEMENT, TidyError, formatStandard },
{ UNKNOWN_ENTITY, TidyWarning, NULL },
{ USING_BR_INPLACE_OF, TidyWarning, formatStandard },
{ VENDOR_SPECIFIC_CHARS, TidyWarning, NULL },
{ WHITE_IN_URI, TidyWarning, formatAttributeReport },
{ XML_DECLARATION_DETECTED, TidyWarning, formatStandard },
{ XML_ID_SYNTAX, TidyWarning, formatAttributeReport },
{ 0, 0, NULL }
};
/*********************************************************************
* Message Formatting
* These individual message formatters populate messages with the
* correct, pertinent data.
*********************************************************************/
/* Provides formatting for the Attribute-related reports. */
TidyMessageImpl *formatAttributeReport(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args)
{
AttVal *av = NULL;
char const *name = "NULL", *value = "NULL";
char tagdesc[64];
TagToString(node, tagdesc, sizeof(tagdesc));
if ( ( av = va_arg(args, AttVal*) ) )
{
if (av->attribute)
name = av->attribute;
if (av->value)
value = av->value;
}
switch (code)
{
case BACKSLASH_IN_URI:
case ESCAPED_ILLEGAL_URI:
case FIXED_BACKSLASH:
case ID_NAME_MISMATCH:
case ILLEGAL_URI_CODEPOINT:
case ILLEGAL_URI_REFERENCE:
case INVALID_XML_ID:
case MISSING_IMAGEMAP:
case MISSING_QUOTEMARK:
case NEWLINE_IN_URI:
case UNEXPECTED_EQUALSIGN:
case UNEXPECTED_GT:
case UNEXPECTED_QUOTEMARK:
case WHITE_IN_URI:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, tagdesc );
break;
case ATTRIBUTE_IS_NOT_ALLOWED:
case JOINING_ATTRIBUTE:
case MISSING_ATTR_VALUE:
case PROPRIETARY_ATTRIBUTE:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, tagdesc, name );
break;
case BAD_ATTRIBUTE_VALUE_REPLACED:
case INSERTING_AUTO_ATTRIBUTE:
case INVALID_ATTRIBUTE:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, tagdesc, name, value );
break;
case MISMATCHED_ATTRIBUTE_ERROR:
case MISMATCHED_ATTRIBUTE_WARN:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, tagdesc, name, HTMLVersion(doc));
break;
case ANCHOR_NOT_UNIQUE:
case ATTR_VALUE_NOT_LCASE:
case PROPRIETARY_ATTR_VALUE:
case XML_ID_SYNTAX:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, tagdesc, value );
break;
case REPEATED_ATTRIBUTE:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, tagdesc, value, name );
break;
case UNEXPECTED_END_OF_FILE_ATTR:
/* on end of file adjust reported position to end of input */
doc->lexer->lines = doc->docIn->curline;
doc->lexer->columns = doc->docIn->curcol;
return TY_(tidyMessageCreateWithLexer)(doc, code, level, tagdesc );
break;
}
return NULL;
}
/* Provides formatting for bad-argument errors. */
TidyMessageImpl *formatBadArgument(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args)
{
ctmbstr option;
if ( (option = va_arg( args, ctmbstr)) )
return TY_(tidyMessageCreate)( doc, code, level, option );
return NULL;
}
/* Provides special formatting for the CUSTOM_TAG_DETECTED report. */
TidyMessageImpl *formatCustomTagDetected(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args)
{
char elemdesc[256] = { 0 };
ctmbstr tagtype;
TagToString(element, elemdesc, sizeof(elemdesc));
switch ( cfg( doc, TidyUseCustomTags ) )
{
case TidyCustomBlocklevel:
tagtype = tidyLocalizedString( TIDYCUSTOMBLOCKLEVEL_STRING );
break;
case TidyCustomEmpty:
tagtype = tidyLocalizedString( TIDYCUSTOMEMPTY_STRING );
break;
case TidyCustomInline:
tagtype = tidyLocalizedString( TIDYCUSTOMINLINE_STRING );
break;
case TidyCustomPre:
default:
tagtype = tidyLocalizedString( TIDYCUSTOMPRE_STRING );
break;
}
return TY_(tidyMessageCreateWithNode)(doc, element, code, TidyInfo, elemdesc, tagtype );
}
/* Provides formatting for file-related errors. */
TidyMessageImpl *formatFileError(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args)
{
ctmbstr file;
if ( (file = va_arg( args, ctmbstr)) )
return TY_(tidyMessageCreate)( doc, code, level, file );
return NULL;
}
/* Provides general formatting for the majority of Tidy's reports. Because most
** reports use the same basic data derived from the element and node, this
** formatter covers the vast majority of Tidy's report messages. Note that this
** formatter guarantees the values of TidyReportLevel in the dispatchTable[].
*/
TidyMessageImpl *formatStandard(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args)
{
char nodedesc[ 256 ] = {0};
char elemdesc[ 256 ] = {0};
Node* rpt = ( element ? element : node );
TagToString(node, nodedesc, sizeof(nodedesc));
if ( element )
TagToString(element, elemdesc, sizeof(elemdesc));
switch ( code )
{
case SPACE_PRECEDING_XMLDECL:
/* @TODO: Should this be a TidyInfo "silent" fix? */
return TY_(tidyMessageCreateWithNode)(doc, node, code, level );
break;
case CANT_BE_NESTED:
case NOFRAMES_CONTENT:
case USING_BR_INPLACE_OF:
/* Can we use `rpt` here? No; `element` has a value in every case. */
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, nodedesc );
break;
case ELEMENT_VERS_MISMATCH_ERROR:
case ELEMENT_VERS_MISMATCH_WARN:
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, nodedesc, HTMLVersion(doc) );
case TAG_NOT_ALLOWED_IN:
/* Can we use `rpt` here? No; `element` has a value in every case. */
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, nodedesc, element->element );
break;
case INSERTING_TAG:
case MISSING_STARTTAG:
case TOO_MANY_ELEMENTS:
case UNEXPECTED_ENDTAG:
/* Can we use `rpt` here? No; `element` has a value in every case. */
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, node->element );
break;
case UNEXPECTED_ENDTAG_IN:
/* Can we use `rpt` here? No; `element` has a value in every case. */
return TY_(tidyMessageCreateWithNode)(doc, node, code, level, node->element, element->element );
break;
case BAD_CDATA_CONTENT:
case CONTENT_AFTER_BODY:
case DOCTYPE_AFTER_TAGS:
case DUPLICATE_FRAMESET:
case MALFORMED_COMMENT:
case MALFORMED_DOCTYPE:
case MISSING_DOCTYPE:
case MISSING_TITLE_ELEMENT:
case NESTED_QUOTATION:
case SUSPECTED_MISSING_QUOTE:
case XML_DECLARATION_DETECTED:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level );
break;
case ELEMENT_NOT_EMPTY:
case ILLEGAL_NESTING:
case TRIM_EMPTY_ELEMENT:
case UNEXPECTED_END_OF_FILE:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level, elemdesc );
break;
case OBSOLETE_ELEMENT:
case REPLACING_ELEMENT:
case REPLACING_UNEX_ELEMENT:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level, elemdesc, nodedesc );
break;
case BAD_SUMMARY_HTML5:
case NESTED_EMPHASIS:
case PROPRIETARY_ELEMENT:
case REMOVED_HTML5:
case UNKNOWN_ELEMENT:
case UNKNOWN_ELEMENT_LOOKS_CUSTOM:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level, nodedesc );
break;
case MISSING_ENDTAG_FOR:
case PREVIOUS_LOCATION:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level, element->element );
break;
case MISSING_ENDTAG_BEFORE:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level, element->element, nodedesc );
break;
case COERCE_TO_ENDTAG:
case NON_MATCHING_ENDTAG:
case TOO_MANY_ELEMENTS_IN:
return TY_(tidyMessageCreateWithNode)(doc, rpt, code, level, node->element, node->element );
break;
}
return NULL;
}
/* Provides general formatting as formatStandard, except TidyReportLevel is set
** dynamically for these items as it cannot be predicted except at runtime.
*/
TidyMessageImpl *formatStandardDynamic(TidyDocImpl* doc, Node *element, Node *node, uint code, uint level, va_list args)
{
char nodedesc[ 256 ] = {0};
TagToString(node, nodedesc, sizeof(nodedesc));
switch (code)
{
case DISCARDING_UNEXPECTED:
/* Force error if in a bad form, or Issue #166 - repeated <main> element. */
/* Can we use `rpt` here? No; `element` has a value in every case. */
return TY_(tidyMessageCreateWithNode)(doc, node, code, doc->badForm ? TidyError : TidyWarning, nodedesc );
break;
}
return NULL;
}
/*********************************************************************
* High Level Message Writing Functions
* When adding new reports to LibTidy, preference should be given
* to one of these existing, general purpose message writing
* functions, if at all possible.
* to one of the existing, general pupose message writing functions
* above, if possible, otherwise try to use one of these, or as a
* last resort add a new one in this section.
*********************************************************************/
/* This function performs the heavy lifting for TY_(Report)(). */
static void vReport(TidyDocImpl* doc, Node *element, Node *node, uint code, va_list args)
{
int i = 0;
va_list args_copy;
while ( dispatchTable[i].code != 0 )
{
if ( dispatchTable[i].code == code )
{
TidyMessageImpl *message;
messageFormatter *handler = dispatchTable[i].handler;
TidyReportLevel level = dispatchTable[i].level;
va_copy(args_copy, args);
message = handler( doc, element, node, code, level, args_copy );
va_end(args_copy);
messageOut( message );
if ( dispatchTable[i].next )
{
switch ( code )
{
case TAG_NOT_ALLOWED_IN:
TY_(Report)(doc, element, node, PREVIOUS_LOCATION);
break;
case TOO_MANY_ELEMENTS_IN:
TY_(Report)(doc, node, node, PREVIOUS_LOCATION);
break;
default:
va_copy(args_copy, args);
vReport(doc, element, node, dispatchTable[i].next, args_copy);
va_end(args_copy);
break;
}
}
break;
}
i++;
}
}
/* This single Report output function uses the correct formatter with all
** possible, relevant data that can be reported. The only real drawbacks are
** having to pass NULL when some of the values aren't used, and the lack of
** type safety by using the variable arguments. To counter this some convenience
** report output functions exist, too.
*/
void TY_(Report)(TidyDocImpl* doc, Node *element, Node *node, uint code, ...)
{
va_list args;
va_start(args, code);
vReport(doc, element, node, code, args);
va_end(args);
}
/*********************************************************************
* Convenience Reporting Functions
* Functions that don't require the full signature of TY_(Report),
* and help protect type safety by avoiding variable arguments.
*********************************************************************/
//void TY_(ReportFileError)( TidyDocImpl* doc, ctmbstr file, uint code )
//{
// TY_(Report)(doc, NULL, NULL, code, file);
//}
//
//void TY_(ReportAttrError)(TidyDocImpl* doc, Node *node, AttVal *av, uint code)
//{
// TY_(Report)(doc, NULL, node, code, av);
//}
//
//void TY_(ReportBadArgument)( TidyDocImpl* doc, ctmbstr option )
//{
// assert( option != NULL );
// TY_(Report)(doc, NULL, NULL, STRING_MISSING_MALFORMED, option);
//}
/*********************************************************************
* Legacy High Level Message Writing Functions - General
* These will be transitioned to the new reporting method.
*********************************************************************/

2
src/message.h
View File

@ -47,7 +47,7 @@ ctmbstr TY_(tidyLibraryVersion)(void);
/** @name High Level Message Writing Functions - General */
/** @{ */
void TY_(Report)(TidyDocImpl* doc, Node *element, Node *node, uint code, ...);
void TY_(ReportNotice)(TidyDocImpl* doc, Node *element, Node *node, uint code);