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Allow editing charset and lang in target="scan" 

Merge commit 'fa269cf812ee304534b0e4c44662202496008db0'

Fixes:
Bug 31969 - Can't modify charset in target="scan"
Bug 23758 - Can't modify lang in target="scan"
This commit is contained in:
Behdad Esfahbod 2010-12-28 02:50:16 -06:00
parent 30fd4fac9c fa269cf812
commit 549c9962a4
10 changed files with 433 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
doc/fclangset.fncs
View File

@ -58,6 +58,36 @@ two or three letter language from ISO 639 and Tt is a territory from ISO
3166.
@@
@RET@ FcBool
@FUNC@ FcLangSetDel
@TYPE1@ FcLangSet * @ARG1@ ls
@TYPE2@ const FcChar8 * @ARG2@ lang
@PURPOSE@ remove a language from a langset
@DESC@
<parameter>lang</parameter> is removed from <parameter>ls</parameter>.
<parameter>lang</parameter> should be of the form Ll-Tt where Ll is a
two or three letter language from ISO 639 and Tt is a territory from ISO
3166.
@@
@RET@ FcLangSet *
@FUNC@ FcLangSetUnion
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ Add langsets
@DESC@
Returns a set including only those languages found in either <parameter>ls_a</parameter> or <parameter>ls_b</parameter>.
@@
@RET@ FcLangSet *
@FUNC@ FcLangSetSubtract
@TYPE1@ const FcLangSet * @ARG1@ ls_a
@TYPE2@ const FcLangSet * @ARG2@ ls_b
@PURPOSE@ Subtract langsets
@DESC@
Returns a set including only those languages found in <parameter>ls_a</parameter> but not <parameter>ls_b</parameter>.
@@
@RET@ FcLangResult
@FUNC@ FcLangSetCompare
@TYPE1@ const FcLangSet * @ARG1@ ls_a

12
doc/fontconfig-user.sgml
View File

@ -431,6 +431,18 @@ instead of -.5).
<refsect2><title><literal>&lt;matrix&gt;</literal></title><para>
This element holds the four <literal>&lt;double&gt;</literal> elements of an affine
transformation.
</para></refsect2>
<refsect2><title><literal>&lt;range&gt;</literal></title><para>
This element holds the two <literal>&lt;int&gt;</literal> elements of a range
representation.
</para></refsect2>
<refsect2><title><literal>&lt;charset&gt;</literal></title><para>
This element holds at least one <literal>&lt;int&gt;</literal> element of
an Unicode code point or more.
</para></refsect2>
<refsect2><title><literal>&lt;langset&gt;</literal></title><para>
This element holds at least one <literal>&lt;string&gt;</literal> element of
a RFC-3066-style languages or more.
</para></refsect2>
<refsect2><title><literal>&lt;name&gt;</literal></title><para>
Holds a property name. Evaluates to the first value from the property of

9
fontconfig/fontconfig.h
View File

@ -584,6 +584,9 @@ FcLangSetCopy (const FcLangSet *ls);
FcPublic FcBool
FcLangSetAdd (FcLangSet *ls, const FcChar8 *lang);
FcPublic FcBool
FcLangSetDel (FcLangSet *ls, const FcChar8 *lang);
FcPublic FcLangResult
FcLangSetHasLang (const FcLangSet *ls, const FcChar8 *lang);
@ -602,6 +605,12 @@ FcLangSetHash (const FcLangSet *ls);
FcPublic FcStrSet *
FcLangSetGetLangs (const FcLangSet *ls);
FcLangSet *
FcLangSetUnion (const FcLangSet *a, const FcLangSet *b);
FcLangSet *
FcLangSetSubtract (const FcLangSet *a, const FcLangSet *b);
/* fclist.c */
FcPublic FcObjectSet *
FcObjectSetCreate (void);

9
fonts.dtd
View File

@ -107,7 +107,7 @@
<!ELEMENT pattern (patelt)*>
<!ENTITY % constant 'int|double|string|matrix|bool|charset|const'>
<!ENTITY % constant 'int|double|string|matrix|bool|charset|langset|const'>
<!ELEMENT patelt (%constant;)*>
<!ATTLIST patelt
@ -122,7 +122,7 @@
<!ELEMENT family (#PCDATA)>
<!ATTLIST family xml:space (default|preserve) 'preserve'>
<!ENTITY % expr 'int|double|string|matrix|bool|charset
<!ENTITY % expr 'int|double|string|matrix|bool|charset|langset
|name|const
|or|and|eq|not_eq|less|less_eq|more|more_eq|contains|not_contains
|plus|minus|times|divide|not|if|floor|ceil|round|trunc'>
@ -196,8 +196,9 @@
<!ATTLIST string xml:space (default|preserve) 'preserve'>
<!ELEMENT matrix (double,double,double,double)>
<!ELEMENT bool (#PCDATA)>
<!ELEMENT charset (#PCDATA)>
<!ATTLIST charset xml:space (default|preserve) 'preserve'>
<!ELEMENT charset (int|range)*>
<!ELEMENT range (int,int)>
<!ELEMENT langset (string)*>
<!ELEMENT name (#PCDATA)>
<!ATTLIST name xml:space (default|preserve) 'preserve'>
<!ELEMENT const (#PCDATA)>

43
src/fccfg.c
View File

@ -897,6 +897,11 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e)
v.u.c = e->u.cval;
v = FcValueSave (v);
break;
case FcOpLangSet:
v.type = FcTypeLangSet;
v.u.l = e->u.lval;
v = FcValueSave (v);
break;
case FcOpBool:
v.type = FcTypeBool;
v.u.b = e->u.bval;
@ -1036,6 +1041,44 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e)
break;
}
break;
case FcTypeCharSet:
switch (e->op) {
case FcOpPlus:
v.type = FcTypeCharSet;
v.u.c = FcCharSetUnion (vl.u.c, vr.u.c);
if (!v.u.c)
v.type = FcTypeVoid;
break;
case FcOpMinus:
v.type = FcTypeCharSet;
v.u.c = FcCharSetSubtract (vl.u.c, vr.u.c);
if (!v.u.c)
v.type = FcTypeVoid;
break;
default:
v.type = FcTypeVoid;
break;
}
break;
case FcTypeLangSet:
switch (e->op) {
case FcOpPlus:
v.type = FcTypeLangSet;
v.u.l = FcLangSetUnion (vl.u.l, vr.u.l);
if (!v.u.l)
v.type = FcTypeVoid;
break;
case FcOpMinus:
v.type = FcTypeLangSet;
v.u.l = FcLangSetSubtract (vl.u.l, vr.u.l);
if (!v.u.l)
v.type = FcTypeVoid;
break;
default:
v.type = FcTypeVoid;
break;
}
break;
default:
v.type = FcTypeVoid;
break;

8
src/fcdbg.c
View File

@ -160,8 +160,10 @@ FcOpPrint (FcOp op)
case FcOpDouble: printf ("Double"); break;
case FcOpString: printf ("String"); break;
case FcOpMatrix: printf ("Matrix"); break;
case FcOpRange: printf ("Range"); break;
case FcOpBool: printf ("Bool"); break;
case FcOpCharSet: printf ("CharSet"); break;
case FcOpLangSet: printf ("LangSet"); break;
case FcOpField: printf ("Field"); break;
case FcOpConst: printf ("Const"); break;
case FcOpAssign: printf ("Assign"); break;
@ -210,8 +212,14 @@ FcExprPrint (const FcExpr *expr)
expr->u.mval->xy,
expr->u.mval->yx,
expr->u.mval->yy); break;
case FcOpRange: break;
case FcOpBool: printf ("%s", expr->u.bval ? "true" : "false"); break;
case FcOpCharSet: printf ("charset\n"); break;
case FcOpLangSet:
printf ("langset:");
FcLangSetPrint(expr->u.lval);
printf ("\n");
break;
case FcOpNil: printf ("nil\n"); break;
case FcOpField: printf ("%s", FcObjectName(expr->u.object)); break;
case FcOpConst: printf ("%s", expr->u.constant); break;

10
src/fcint.h
View File

@ -220,7 +220,7 @@ struct _FcPattern {
fs->fonts[i])
typedef enum _FcOp {
FcOpInteger, FcOpDouble, FcOpString, FcOpMatrix, FcOpBool, FcOpCharSet,
FcOpInteger, FcOpDouble, FcOpString, FcOpMatrix, FcOpRange, FcOpBool, FcOpCharSet, FcOpLangSet,
FcOpNil,
FcOpField, FcOpConst,
FcOpAssign, FcOpAssignReplace,
@ -243,6 +243,7 @@ typedef struct _FcExpr {
FcMatrix *mval;
FcBool bval;
FcCharSet *cval;
FcLangSet *lval;
FcObject object;
FcChar8 *constant;
struct {
@ -511,6 +512,13 @@ typedef struct _FcFileTime {
typedef struct _FcCharMap FcCharMap;
typedef struct _FcRange FcRange;
struct _FcRange {
FcChar32 begin;
FcChar32 end;
};
/* fcblanks.c */
/* fccache.c */

62
src/fclang.c
View File

@ -71,6 +71,20 @@ FcLangSetBitGet (const FcLangSet *ls,
return ((ls->map[bucket] >> (id & 0x1f)) & 1) ? FcTrue : FcFalse;
}
static void
FcLangSetBitReset (FcLangSet *ls,
unsigned int id)
{
int bucket;
id = fcLangCharSetIndices[id];
bucket = id >> 5;
if (bucket >= ls->map_size)
return; /* shouldn't happen really */
ls->map[bucket] &= ~((FcChar32) 1 << (id & 0x1f));
}
FcLangSet *
FcFreeTypeLangSet (const FcCharSet *charset,
const FcChar8 *exclusiveLang)
@ -400,6 +414,23 @@ FcLangSetAdd (FcLangSet *ls, const FcChar8 *lang)
return FcStrSetAdd (ls->extra, lang);
}
FcBool
FcLangSetDel (FcLangSet *ls, const FcChar8 *lang)
{
int id;
id = FcLangSetIndex (lang);
if (id >= 0)
{
FcLangSetBitReset (ls, id);
}
else if (ls->extra)
{
FcStrSetDel (ls->extra, lang);
}
return FcTrue;
}
FcLangResult
FcLangSetHasLang (const FcLangSet *ls, const FcChar8 *lang)
{
@ -818,6 +849,37 @@ FcLangSetGetLangs (const FcLangSet *ls)
return langs;
}
static FcLangSet *
FcLangSetOperate(const FcLangSet *a,
const FcLangSet *b,
FcBool (*func) (FcLangSet *ls,
const FcChar8 *s))
{
FcLangSet *langset = FcLangSetCopy (a);
FcStrList *sl = FcStrListCreate (FcLangSetGetLangs (b));
FcChar8 *str;
while ((str = FcStrListNext (sl)))
{
func (langset, str);
}
FcStrListDone (sl);
return langset;
}
FcLangSet *
FcLangSetUnion (const FcLangSet *a, const FcLangSet *b)
{
return FcLangSetOperate(a, b, FcLangSetAdd);
}
FcLangSet *
FcLangSetSubtract (const FcLangSet *a, const FcLangSet *b)
{
return FcLangSetOperate(a, b, FcLangSetDel);
}
#define __fclang__
#include "fcaliastail.h"
#include "fcftaliastail.h"

263
src/fcxml.c
View File

@ -133,6 +133,30 @@ FcExprCreateBool (FcConfig *config, FcBool b)
return e;
}
static FcExpr *
FcExprCreateCharSet (FcConfig *config, FcCharSet *charset)
{
FcExpr *e = FcConfigAllocExpr (config);
if (e)
{
e->op = FcOpCharSet;
e->u.cval = FcCharSetCopy (charset);
}
return e;
}
static FcExpr *
FcExprCreateLangSet (FcConfig *config, FcLangSet *langset)
{
FcExpr *e = FcConfigAllocExpr (config);
if (e)
{
e->op = FcOpLangSet;
e->u.lval = FcLangSetCopy (langset);
}
return e;
}
static FcExpr *
FcExprCreateField (FcConfig *config, const char *field)
{
@ -185,9 +209,14 @@ FcExprDestroy (FcExpr *e)
case FcOpMatrix:
FcMatrixFree (e->u.mval);
break;
case FcOpRange:
break;
case FcOpCharSet:
FcCharSetDestroy (e->u.cval);
break;
case FcOpLangSet:
FcLangSetDestroy (e->u.lval);
break;
case FcOpBool:
break;
case FcOpField:
@ -277,8 +306,10 @@ typedef enum _FcElement {
FcElementDouble,
FcElementString,
FcElementMatrix,
FcElementRange,
FcElementBool,
FcElementCharset,
FcElementCharSet,
FcElementLangSet,
FcElementName,
FcElementConst,
FcElementOr,
@ -338,8 +369,10 @@ static const struct {
{ "double", FcElementDouble },
{ "string", FcElementString },
{ "matrix", FcElementMatrix },
{ "range", FcElementRange },
{ "bool", FcElementBool },
{ "charset", FcElementCharset },
{ "charset", FcElementCharSet },
{ "langset", FcElementLangSet },
{ "name", FcElementName },
{ "const", FcElementConst },
{ "or", FcElementOr },
@ -401,7 +434,10 @@ typedef enum _FcVStackTag {
FcVStackInteger,
FcVStackDouble,
FcVStackMatrix,
FcVStackRange,
FcVStackBool,
FcVStackCharSet,
FcVStackLangSet,
FcVStackTest,
FcVStackExpr,
@ -418,7 +454,10 @@ typedef struct _FcVStack {
int integer;
double _double;
FcMatrix *matrix;
FcRange range;
FcBool bool_;
FcCharSet *charset;
FcLangSet *langset;
FcTest *test;
FcQual qual;
@ -551,6 +590,9 @@ FcTypecheckExpr (FcConfigParse *parse, FcExpr *expr, FcType type)
case FcOpCharSet:
FcTypecheckValue (parse, FcTypeCharSet, type);
break;
case FcOpLangSet:
FcTypecheckValue (parse, FcTypeLangSet, type);
break;
case FcOpNil:
break;
case FcOpField:
@ -741,6 +783,18 @@ FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix)
return FcTrue;
}
static FcBool
FcVStackPushRange (FcConfigParse *parse, FcRange *range)
{
FcVStack *vstack = FcVStackCreateAndPush (parse);
if (!vstack)
return FcFalse;
vstack->u.range.begin = range->begin;
vstack->u.range.end = range->end;
vstack->tag = FcVStackRange;
return FcTrue;
}
static FcBool
FcVStackPushBool (FcConfigParse *parse, FcBool bool_)
{
@ -752,6 +806,34 @@ FcVStackPushBool (FcConfigParse *parse, FcBool bool_)
return FcTrue;
}
static FcBool
FcVStackPushCharSet (FcConfigParse *parse, FcCharSet *charset)
{
FcVStack *vstack;
if (!charset)
return FcFalse;
vstack = FcVStackCreateAndPush (parse);
if (!vstack)
return FcFalse;
vstack->u.charset = charset;
vstack->tag = FcVStackCharSet;
return FcTrue;
}
static FcBool
FcVStackPushLangSet (FcConfigParse *parse, FcLangSet *langset)
{
FcVStack *vstack;
if (!langset)
return FcFalse;
vstack = FcVStackCreateAndPush (parse);
if (!vstack)
return FcFalse;
vstack->u.langset = langset;
vstack->tag = FcVStackLangSet;
return FcTrue;
}
static FcBool
FcVStackPushTest (FcConfigParse *parse, FcTest *test)
{
@ -843,8 +925,15 @@ FcVStackPopAndDestroy (FcConfigParse *parse)
case FcVStackMatrix:
FcMatrixFree (vstack->u.matrix);
break;
case FcVStackRange:
case FcVStackBool:
break;
case FcVStackCharSet:
FcCharSetDestroy (vstack->u.charset);
break;
case FcVStackLangSet:
FcLangSetDestroy (vstack->u.langset);
break;
case FcVStackTest:
FcTestDestroy (vstack->u.test);
break;
@ -1043,29 +1132,36 @@ static void
FcParseBlank (FcConfigParse *parse)
{
int n = FcVStackElements (parse);
FcChar32 i;
while (n-- > 0)
{
FcVStack *v = FcVStackFetch (parse, n);
if (v->tag != FcVStackInteger)
FcConfigMessage (parse, FcSevereError, "non-integer blank");
else
{
if (!parse->config->blanks)
{
parse->config->blanks = FcBlanksCreate ();
if (!parse->config->blanks)
{
FcConfigMessage (parse, FcSevereError, "out of memory");
break;
}
goto bail;
}
switch (v->tag) {
case FcVStackInteger:
if (!FcBlanksAdd (parse->config->blanks, v->u.integer))
goto bail;
break;
case FcVStackRange:
for (i = v->u.range.begin; i <= v->u.range.end; i++)
{
FcConfigMessage (parse, FcSevereError, "out of memory");
if (!FcBlanksAdd (parse->config->blanks, i))
goto bail;
}
break;
default:
FcConfigMessage (parse, FcSevereError, "invalid element in blank");
break;
}
}
}
return;
bail:
FcConfigMessage (parse, FcSevereError, "out of memory");
}
static void
@ -1241,6 +1337,49 @@ FcParseMatrix (FcConfigParse *parse)
FcVStackPushMatrix (parse, &m);
}
static void
FcParseRange (FcConfigParse *parse)
{
FcVStack *vstack;
FcRange r;
FcChar32 n;
int count = 1;
while ((vstack = FcVStackPeek (parse)))
{
if (count < 0)
{
FcConfigMessage (parse, FcSevereError, "too many elements in range");
return;
}
switch (vstack->tag) {
case FcVStackInteger:
n = vstack->u.integer;
break;
default:
FcConfigMessage (parse, FcSevereError, "invalid element in range");
break;
}
if (count == 1)
r.end = n;
else
r.begin = n;
count--;
FcVStackPopAndDestroy (parse);
}
if (count < 0)
{
if (r.begin > r.end)
{
FcConfigMessage (parse, FcSevereError, "invalid range");
return;
}
FcVStackPushRange (parse, &r);
}
else
FcConfigMessage (parse, FcSevereError, "invalid range");
}
static FcBool
FcConfigLexBool (FcConfigParse *parse, const FcChar8 *bool_)
{
@ -1269,6 +1408,78 @@ FcParseBool (FcConfigParse *parse)
FcStrBufDestroy (&parse->pstack->str);
}
static void
FcParseCharSet (FcConfigParse *parse)
{
FcVStack *vstack;
FcCharSet *charset = FcCharSetCreate ();
FcChar32 i;
int n = 0;
while ((vstack = FcVStackPeek (parse)))
{
switch (vstack->tag) {
case FcVStackInteger:
if (!FcCharSetAddChar (charset, vstack->u.integer))
{
FcConfigMessage (parse, FcSevereWarning, "invalid character: 0x%04x", vstack->u.integer);
}
else
n++;
break;
case FcVStackRange:
for (i = vstack->u.range.begin; i <= vstack->u.range.end; i++)
{
if (!FcCharSetAddChar (charset, i))
{
FcConfigMessage (parse, FcSevereWarning, "invalid character: 0x%04x", i);
}
else
n++;
}
break;
default:
FcConfigMessage (parse, FcSevereError, "invalid element in charset");
break;
}
FcVStackPopAndDestroy (parse);
}
if (n > 0)
FcVStackPushCharSet (parse, charset);
else
FcCharSetDestroy (charset);
}
static void
FcParseLangSet (FcConfigParse *parse)
{
FcVStack *vstack;
FcLangSet *langset = FcLangSetCreate ();
int n = 0;
while ((vstack = FcVStackPeek (parse)))
{
switch (vstack->tag) {
case FcVStackString:
if (!FcLangSetAdd (langset, vstack->u.string))
{
FcConfigMessage (parse, FcSevereWarning, "invalid langset: %s", vstack->u.string);
}
else
n++;
break;
default:
FcConfigMessage (parse, FcSevereError, "invalid element in langset");
break;
}
FcVStackPopAndDestroy (parse);
}
if (n > 0)
FcVStackPushLangSet (parse, langset);
else
FcLangSetDestroy (langset);
}
static FcBool
FcConfigLexBinding (FcConfigParse *parse,
const FcChar8 *binding_string,
@ -1515,9 +1726,17 @@ FcPopExpr (FcConfigParse *parse)
case FcVStackMatrix:
expr = FcExprCreateMatrix (parse->config, vstack->u.matrix);
break;
case FcVStackRange:
break;
case FcVStackBool:
expr = FcExprCreateBool (parse->config, vstack->u.bool_);
break;
case FcVStackCharSet:
expr = FcExprCreateCharSet (parse->config, vstack->u.charset);
break;
case FcVStackLangSet:
expr = FcExprCreateLangSet (parse->config, vstack->u.langset);
break;
case FcVStackTest:
break;
case FcVStackExpr:
@ -1934,6 +2153,16 @@ FcPopValue (FcConfigParse *parse)
value.u.b = vstack->u.bool_;
value.type = FcTypeBool;
break;
case FcVStackCharSet:
value.u.c = FcCharSetCopy (vstack->u.charset);
if (value.u.c)
value.type = FcTypeCharSet;
break;
case FcVStackLangSet:
value.u.l = FcLangSetCopy (vstack->u.langset);
if (value.u.l)
value.type = FcTypeLangSet;
break;
default:
FcConfigMessage (parse, FcSevereWarning, "unknown pattern element %d",
vstack->tag);
@ -2199,11 +2428,17 @@ FcEndElement(void *userData, const XML_Char *name)
case FcElementMatrix:
FcParseMatrix (parse);
break;
case FcElementRange:
FcParseRange (parse);
break;
case FcElementBool:
FcParseBool (parse);
break;
case FcElementCharset:
/* FcParseCharset (parse); */
case FcElementCharSet:
FcParseCharSet (parse);
break;
case FcElementLangSet:
FcParseLangSet (parse);
break;
case FcElementSelectfont:
break;