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Option changed callback now implemented.

This commit is contained in:
Jim Derry 2017-11-19 16:58:01 -05:00
parent b91c728c81
commit 314690ad7f
2 changed files with 135 additions and 27 deletions
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144
src/config.c
View File

@ -314,6 +314,7 @@ void TY_(InitConfig)( TidyDocImpl* doc )
void TY_(FreeConfig)( TidyDocImpl* doc )
{
doc->pConfigChangeCallback = NULL;
TY_(ResetConfigToDefault)( doc );
TY_(TakeConfigSnapshot)( doc );
}
@ -348,6 +349,29 @@ const Bool TY_(getOptionIsList)( TidyOptionId optId )
return option->parser == ParseList;
}
static Bool OptionChangedValuesDiffer( ctmbstr a, ctmbstr b )
{
if ( a != b )
{
if ( a == NULL || b == NULL ) /* can't both be null at this point. */
return yes;
else
return TY_(tmbstrcmp)( a, b ) != 0;
}
return no;
}
static void PerformOptionChangedCallback( TidyDocImpl* doc, const TidyOptionImpl* option )
{
if ( doc->pConfigChangeCallback )
{
TidyDoc tdoc = tidyImplToDoc( doc );
TidyOption opt = tidyImplToOption( option );
doc->pConfigChangeCallback( tdoc, opt );
}
}
static void FreeOptionValue( TidyDocImpl* doc, const TidyOptionImpl* option, TidyOptionValue* value )
{
if ( option->type == TidyString && value->p && value->p != option->pdflt )
@ -358,7 +382,18 @@ static void FreeOptionValue( TidyDocImpl* doc, const TidyOptionImpl* option, Tid
static void CopyOptionValue( TidyDocImpl* doc, const TidyOptionImpl* option,
TidyOptionValue* oldval, const TidyOptionValue* newval )
{
Bool fire_callback = no;
assert( oldval != NULL );
/* Compare the old and new values. */
if ( doc->pConfigChangeCallback )
{
if ( option->type == TidyString )
fire_callback = OptionChangedValuesDiffer( oldval->p, newval->p );
else
fire_callback = oldval->v != newval->v;
}
FreeOptionValue( doc, option, oldval );
if ( option->type == TidyString )
@ -370,23 +405,40 @@ static void CopyOptionValue( TidyDocImpl* doc, const TidyOptionImpl* option,
}
else
oldval->v = newval->v;
if ( fire_callback )
PerformOptionChangedCallback( doc, option );
}
static Bool SetOptionValue( TidyDocImpl* doc, TidyOptionId optId, ctmbstr val )
{
const TidyOptionImpl* option = &option_defs[ optId ];
Bool status = ( optId < N_TIDY_OPTIONS );
if ( status )
{
assert( option->id == optId && option->type == TidyString );
FreeOptionValue( doc, option, &doc->config.value[ optId ] );
if ( TY_(tmbstrlen)(val)) /* Issue #218 - ONLY if it has LENGTH! */
doc->config.value[ optId ].p = TY_(tmbstrdup)( doc->allocator, val );
else
doc->config.value[ optId ].p = 0; /* should already be zero, but to be sure... */
}
return status;
const TidyOptionImpl* option = &option_defs[ optId ];
Bool fire_callback = no;
Bool status = ( optId < N_TIDY_OPTIONS );
if ( status )
{
assert( option->id == optId && option->type == TidyString );
/* Compare the old and new values. */
if ( doc->pConfigChangeCallback )
{
TidyOptionValue* oldval = &(doc->config.value[ optId ]);
fire_callback = OptionChangedValuesDiffer( oldval->p, val );
}
FreeOptionValue( doc, option, &doc->config.value[ optId ] );
if ( TY_(tmbstrlen)(val)) /* Issue #218 - ONLY if it has LENGTH! */
doc->config.value[ optId ].p = TY_(tmbstrdup)( doc->allocator, val );
else
doc->config.value[ optId ].p = 0; /* should already be zero, but to be sure... */
}
if ( fire_callback )
PerformOptionChangedCallback( doc, option );
return status;
}
@ -412,27 +464,39 @@ ctmbstr TY_(GetPickListLabelForPick)( TidyOptionId optId, uint pick )
}
static void SetOptionInteger( TidyDocImpl* doc, TidyOptionId optId, ulong val )
{
const TidyOptionImpl* option = &option_defs[ optId ];
ulong* optVal = &(doc->config.value[ optId ].v);
Bool fire_callback = doc->pConfigChangeCallback && *optVal != val;
*optVal = val;
if ( fire_callback )
PerformOptionChangedCallback( doc, option );
}
Bool TY_(SetOptionInt)( TidyDocImpl* doc, TidyOptionId optId, ulong val )
{
Bool status = ( optId < N_TIDY_OPTIONS );
if ( status )
{
assert( option_defs[ optId ].type == TidyInteger );
doc->config.value[ optId ].v = val;
}
return status;
Bool status = ( optId < N_TIDY_OPTIONS );
if ( status )
{
assert( option_defs[ optId ].type == TidyInteger );
SetOptionInteger( doc, optId, val );
}
return status;
}
Bool TY_(SetOptionBool)( TidyDocImpl* doc, TidyOptionId optId, Bool val )
{
Bool status = ( optId < N_TIDY_OPTIONS );
if ( status )
{
assert( option_defs[ optId ].type == TidyBoolean );
doc->config.value[ optId ].v = val;
}
return status;
Bool status = ( optId < N_TIDY_OPTIONS );
if ( status )
{
assert( option_defs[ optId ].type == TidyBoolean );
SetOptionInteger( doc, optId, (ulong)val );
}
return status;
}
@ -1247,6 +1311,18 @@ Bool ParseList( TidyDocImpl* doc, const TidyOptionImpl* option )
tmbchar buf[1024];
uint i = 0, nItems = 0;
uint c;
TidyConfigChangeCallback callback = doc->pConfigChangeCallback;
tmbstr oldbuff = NULL;
/* Handle comparing before and after for the config change callback.
We have do handle this manually, because otherwise TY_(DeclareListItem)
would fire a callback for EVERY list item being added. */
doc->pConfigChangeCallback = NULL;
if ( callback )
{
TidyOptionValue* oldval = &(doc->config.value[ option->id ]);
oldbuff = TY_(tmbstrdup)( doc->allocator, oldval->p );
}
SetOptionValue( doc, option->id, NULL );
@ -1302,6 +1378,22 @@ Bool ParseList( TidyDocImpl* doc, const TidyOptionImpl* option )
if ( i > 0 )
TY_(DeclareListItem)( doc, option, buf );
/* If there's a callback, compare the old and new values, and fire
the callback appropriately. */
if ( callback )
{
TidyOptionValue* val = &(doc->config.value[ option->id ]);
Bool fire_callback = OptionChangedValuesDiffer( val->p, oldbuff);
doc->pConfigChangeCallback = callback;
if ( oldbuff )
TidyFree( doc->allocator, oldbuff );
if ( fire_callback )
PerformOptionChangedCallback( doc, option );
}
return ( nItems > 0 );
}

18
src/tidylib.c
View File

@ -1434,6 +1434,9 @@ static ctmbstr integrity = "\nPanic - tree has lost its integrity\n";
int TY_(DocParseStream)( TidyDocImpl* doc, StreamIn* in )
{
Bool xmlIn = cfgBool( doc, TidyXmlTags );
TidyConfigChangeCallback callback = doc->pConfigChangeCallback;
doc->pConfigChangeCallback = NULL;
int bomEnc;
assert( doc != NULL && in != NULL );
@ -1488,6 +1491,8 @@ int TY_(DocParseStream)( TidyDocImpl* doc, StreamIn* in )
}
doc->docIn = NULL;
doc->pConfigChangeCallback = callback;
return tidyDocStatus( doc );
}
@ -2022,13 +2027,18 @@ int tidyDocCleanAndRepair( TidyDocImpl* doc )
Bool wantNameAttr = cfgBool( doc, TidyAnchorAsName );
Bool mergeEmphasis = cfgBool( doc, TidyMergeEmphasis );
Node* node;
TidyConfigChangeCallback callback = doc->pConfigChangeCallback;
doc->pConfigChangeCallback = NULL;
#if defined(ENABLE_DEBUG_LOG)
SPRTF("All nodes BEFORE clean and repair\n");
dbg_show_all_nodes( doc, &doc->root, 0 );
#endif
if (tidyXmlTags)
return tidyDocStatus( doc );
{
doc->pConfigChangeCallback = callback;
return tidyDocStatus( doc );
}
/* Issue #567 - move style elements from body to head */
TY_(CleanStyle)(doc, &doc->root);
@ -2145,6 +2155,8 @@ int tidyDocCleanAndRepair( TidyDocImpl* doc )
SPRTF("All nodes AFTER clean and repair\n");
dbg_show_all_nodes( doc, &doc->root, 0 );
#endif
doc->pConfigChangeCallback = callback;
return tidyDocStatus( doc );
}
@ -2185,6 +2197,8 @@ int tidyDocSaveStream( TidyDocImpl* doc, StreamOut* out )
Bool escapeCDATA = cfgBool(doc, TidyEscapeCdata);
Bool ppWithTabs = cfgBool(doc, TidyPPrintTabs);
TidyAttrSortStrategy sortAttrStrat = cfg(doc, TidySortAttributes);
TidyConfigChangeCallback callback = doc->pConfigChangeCallback;
doc->pConfigChangeCallback = NULL;
if (ppWithTabs)
TY_(PPrintTabs)();
@ -2241,6 +2255,8 @@ int tidyDocSaveStream( TidyDocImpl* doc, StreamOut* out )
}
TY_(ResetConfigToSnapshot)( doc );
doc->pConfigChangeCallback = callback;
return tidyDocStatus( doc );
}