Implement new semantics for Contains and LISTING:
LISTING requires that the font Contain all of the pattern values, where
Contain is redefined for strings to mean precise matching (so that
Courier 10 Pitch doesn't list Courier fonts)
"Contains" for lang means both langs have the same language and either the
same country or one is missing the country
This commit is contained in:
Keith Packard
parent
26da2bb42f
commit
74a623e02e
79
src/fccfg.c
79
src/fccfg.c
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@ -514,42 +514,43 @@ FcConfigPromote (FcValue v, FcValue u)
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}
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FcBool
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FcConfigCompareValue (const FcValue m_o,
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FcConfigCompareValue (const FcValue left_o,
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FcOp op,
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const FcValue v_o)
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const FcValue right_o)
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{
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FcValue m = m_o;
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FcValue v = v_o;
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FcValue left = left_o;
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FcValue right = right_o;
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FcBool ret = FcFalse;
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m = FcConfigPromote (m, v);
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v = FcConfigPromote (v, m);
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if (m.type == v.type)
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left = FcConfigPromote (left, right);
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right = FcConfigPromote (right, left);
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if (left.type == right.type)
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{
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switch (m.type) {
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switch (left.type) {
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case FcTypeInteger:
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break; /* FcConfigPromote prevents this from happening */
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case FcTypeDouble:
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switch (op) {
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case FcOpEqual:
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case FcOpContains:
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ret = m.u.d == v.u.d;
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case FcOpListing:
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ret = left.u.d == right.u.d;
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break;
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case FcOpNotEqual:
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case FcOpNotContains:
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ret = m.u.d != v.u.d;
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ret = left.u.d != right.u.d;
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break;
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case FcOpLess:
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ret = m.u.d < v.u.d;
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ret = left.u.d < right.u.d;
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break;
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case FcOpLessEqual:
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ret = m.u.d <= v.u.d;
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ret = left.u.d <= right.u.d;
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break;
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case FcOpMore:
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ret = m.u.d > v.u.d;
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ret = left.u.d > right.u.d;
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break;
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case FcOpMoreEqual:
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ret = m.u.d >= v.u.d;
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ret = left.u.d >= right.u.d;
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break;
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default:
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break;
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@ -559,11 +560,12 @@ FcConfigCompareValue (const FcValue m_o,
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switch (op) {
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case FcOpEqual:
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case FcOpContains:
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ret = m.u.b == v.u.b;
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case FcOpListing:
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ret = left.u.b == right.u.b;
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break;
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case FcOpNotEqual:
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case FcOpNotContains:
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ret = m.u.b != v.u.b;
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ret = left.u.b != right.u.b;
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break;
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default:
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break;
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@ -572,16 +574,15 @@ FcConfigCompareValue (const FcValue m_o,
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case FcTypeString:
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switch (op) {
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case FcOpEqual:
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ret = FcStrCmpIgnoreCase (m.u.s, v.u.s) == 0;
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case FcOpListing:
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ret = FcStrCmpIgnoreCase (left.u.s, right.u.s) == 0;
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break;
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case FcOpContains:
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ret = FcStrStrIgnoreCase (m.u.s, v.u.s) != 0;
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ret = FcStrStrIgnoreCase (left.u.s, right.u.s) != 0;
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break;
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case FcOpNotEqual:
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ret = FcStrCmpIgnoreCase (m.u.s, v.u.s) != 0;
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break;
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case FcOpNotContains:
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ret = FcStrStrIgnoreCase (m.u.s, v.u.s) == 0;
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ret = FcStrCmpIgnoreCase (left.u.s, right.u.s) != 0;
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break;
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default:
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break;
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@ -591,11 +592,12 @@ FcConfigCompareValue (const FcValue m_o,
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switch (op) {
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case FcOpEqual:
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case FcOpContains:
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ret = FcMatrixEqual (m.u.m, v.u.m);
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case FcOpListing:
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ret = FcMatrixEqual (left.u.m, right.u.m);
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break;
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case FcOpNotEqual:
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case FcOpNotContains:
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ret = !FcMatrixEqual (m.u.m, v.u.m);
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ret = !FcMatrixEqual (left.u.m, right.u.m);
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break;
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default:
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break;
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@ -604,18 +606,19 @@ FcConfigCompareValue (const FcValue m_o,
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case FcTypeCharSet:
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switch (op) {
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case FcOpContains:
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/* v contains m if m is a subset of v */
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ret = FcCharSetIsSubset (m.u.c, v.u.c);
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case FcOpListing:
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/* left contains right if right is a subset of left */
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ret = FcCharSetIsSubset (right.u.c, left.u.c);
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break;
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case FcOpNotContains:
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/* v contains m if m is a subset of v */
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ret = !FcCharSetIsSubset (m.u.c, v.u.c);
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/* left contains right if right is a subset of left */
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ret = !FcCharSetIsSubset (right.u.c, left.u.c);
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break;
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case FcOpEqual:
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ret = FcCharSetEqual (m.u.c, v.u.c);
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ret = FcCharSetEqual (left.u.c, right.u.c);
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break;
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case FcOpNotEqual:
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ret = !FcCharSetEqual (m.u.c, v.u.c);
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ret = !FcCharSetEqual (left.u.c, right.u.c);
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break;
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default:
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break;
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@ -624,16 +627,17 @@ FcConfigCompareValue (const FcValue m_o,
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case FcTypeLangSet:
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switch (op) {
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case FcOpContains:
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ret = FcLangSetContains (m.u.l, v.u.l);
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case FcOpListing:
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ret = FcLangSetContains (left.u.l, right.u.l);
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break;
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case FcOpNotContains:
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ret = FcLangSetContains (m.u.l, v.u.l);
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ret = FcLangSetContains (left.u.l, right.u.l);
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break;
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case FcOpEqual:
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ret = FcLangSetEqual (m.u.l, v.u.l);
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ret = FcLangSetEqual (left.u.l, right.u.l);
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break;
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case FcOpNotEqual:
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ret = !FcLangSetEqual (m.u.l, v.u.l);
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ret = !FcLangSetEqual (left.u.l, right.u.l);
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break;
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default:
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break;
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@ -643,6 +647,7 @@ FcConfigCompareValue (const FcValue m_o,
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switch (op) {
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case FcOpEqual:
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case FcOpContains:
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case FcOpListing:
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ret = FcTrue;
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break;
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default:
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@ -653,11 +658,12 @@ FcConfigCompareValue (const FcValue m_o,
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switch (op) {
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case FcOpEqual:
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case FcOpContains:
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ret = m.u.f == v.u.f;
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case FcOpListing:
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ret = left.u.f == right.u.f;
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break;
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case FcOpNotEqual:
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case FcOpNotContains:
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ret = m.u.f != v.u.f;
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ret = left.u.f != right.u.f;
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break;
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default:
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break;
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@ -748,6 +754,7 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e)
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case FcOpMoreEqual:
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case FcOpContains:
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case FcOpNotContains:
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case FcOpListing:
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vl = FcConfigEvaluate (p, e->u.tree.left);
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vr = FcConfigEvaluate (p, e->u.tree.right);
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v.type = FcTypeBool;
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@ -952,6 +959,7 @@ FcConfigMatchValueList (FcPattern *p,
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while (e)
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{
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/* Compute the value of the match expression */
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if (e->op == FcOpComma)
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{
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value = FcConfigEvaluate (p, e->u.tree.left);
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@ -965,6 +973,7 @@ FcConfigMatchValueList (FcPattern *p,
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for (v = values; v; v = v->next)
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{
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/* Compare the pattern value to the match expression value */
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if (FcConfigCompareValue (v->value, t->op, value))
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{
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if (!ret)
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@ -157,6 +157,7 @@ FcOpPrint (FcOp op)
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case FcOpCeil: printf ("Ceil"); break;
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case FcOpRound: printf ("Round"); break;
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case FcOpTrunc: printf ("Trunc"); break;
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case FcOpListing: printf ("Listing"); break;
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case FcOpInvalid: printf ("Invalid"); break;
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}
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}
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@ -201,6 +202,7 @@ FcExprPrint (const FcExpr *expr)
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case FcOpMore:
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case FcOpMoreEqual:
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case FcOpContains:
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case FcOpListing:
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case FcOpNotContains:
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case FcOpPlus:
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case FcOpMinus:
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@ -225,6 +227,7 @@ FcExprPrint (const FcExpr *expr)
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case FcOpMore: printf ("More"); break;
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case FcOpMoreEqual: printf ("MoreEqual"); break;
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case FcOpContains: printf ("Contains"); break;
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case FcOpListing: printf ("Listing"); break;
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case FcOpNotContains: printf ("NotContains"); break;
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case FcOpPlus: printf ("Plus"); break;
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case FcOpMinus: printf ("Minus"); break;
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@ -132,7 +132,8 @@ typedef enum _FcOp {
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FcOpAssign, FcOpAssignReplace,
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FcOpPrependFirst, FcOpPrepend, FcOpAppend, FcOpAppendLast,
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FcOpQuest,
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FcOpOr, FcOpAnd, FcOpEqual, FcOpNotEqual, FcOpContains, FcOpNotContains,
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FcOpOr, FcOpAnd, FcOpEqual, FcOpNotEqual,
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FcOpContains, FcOpListing, FcOpNotContains,
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FcOpLess, FcOpLessEqual, FcOpMore, FcOpMoreEqual,
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FcOpPlus, FcOpMinus, FcOpTimes, FcOpDivide,
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FcOpNot, FcOpComma, FcOpFloor, FcOpCeil, FcOpRound, FcOpTrunc,
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18
src/fclang.c
18
src/fclang.c
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@ -144,29 +144,33 @@ FcLangCompare (const FcChar8 *s1, const FcChar8 *s2)
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}
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/*
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* Return FcTrue when s1 contains s2.
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* Return FcTrue when super contains sub.
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*
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* s1 contains s2 if s1 equals s2 or if s1 is a
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* language with a country and s2 is just a language
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* super contains sub if super and sub have the same
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* language and either the same country or one
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* is missing the country
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*/
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static FcBool
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FcLangContains (const FcChar8 *s1, const FcChar8 *s2)
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FcLangContains (const FcChar8 *super, const FcChar8 *sub)
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{
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FcChar8 c1, c2;
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for (;;)
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{
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c1 = *s1++;
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c2 = *s2++;
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c1 = *super++;
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c2 = *sub++;
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c1 = FcToLower (c1);
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c2 = FcToLower (c2);
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if (c1 != c2)
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{
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/* see if s1 has a country while s2 is mising one */
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/* see if super has a country while sub is mising one */
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if (c1 == '-' && c2 == '\0')
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return FcTrue;
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/* see if sub has a country while super is mising one */
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if (c1 == '\0' && c2 == '-')
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return FcTrue;
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return FcFalse;
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}
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else if (!c1)
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36
src/fclist.c
36
src/fclist.c
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@ -120,18 +120,34 @@ FcObjectSetBuild (const char *first, ...)
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return os;
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}
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/*
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* Font must have a containing value for every value in the pattern
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*/
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static FcBool
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FcListValueListMatchAny (FcValueList *v1orig,
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FcValueList *v2orig)
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FcListValueListMatchAny (FcValueList *patOrig, /* pattern */
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FcValueList *fntOrig) /* font */
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{
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FcValueList *v1, *v2;
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FcValueList *pat, *fnt;
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for (v1 = v1orig; v1; v1 = v1->next)
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for (v2 = v2orig; v2; v2 = v2->next)
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if (FcConfigCompareValue (v1->value, FcOpContains, v2->value))
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return FcTrue;
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for (pat = patOrig; pat; pat = pat->next)
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{
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for (fnt = fntOrig; fnt; fnt = fnt->next)
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{
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/*
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* make sure the font 'contains' the pattern.
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* (OpListing is OpContains except for strings
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* where it requires an exact match)
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*/
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if (FcConfigCompareValue (fnt->value,
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FcOpListing,
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pat->value))
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break;
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}
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if (!fnt)
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return FcFalse;
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}
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return FcTrue;
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}
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static FcBool
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FcListValueListEqual (FcValueList *v1orig,
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@ -196,7 +212,8 @@ FcListPatternMatchAny (FcPattern *p,
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e = FcPatternFindElt (font, p->elts[i].object);
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if (!e)
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return FcFalse;
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if (!FcListValueListMatchAny (p->elts[i].values, e->values))
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if (!FcListValueListMatchAny (p->elts[i].values, /* pat elts */
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e->values)) /* font elts */
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return FcFalse;
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}
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return FcTrue;
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@ -415,7 +432,8 @@ FcFontSetList (FcConfig *config,
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if (!s)
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continue;
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for (f = 0; f < s->nfont; f++)
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if (FcListPatternMatchAny (p, s->fonts[f]))
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if (FcListPatternMatchAny (p, /* pattern */
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s->fonts[f])) /* font */
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if (!FcListAppend (&table, s->fonts[f], os))
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goto bail1;
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}
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@ -243,6 +243,7 @@ FcExprDestroy (FcExpr *e)
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case FcOpMore:
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case FcOpMoreEqual:
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case FcOpContains:
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case FcOpListing:
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case FcOpNotContains:
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case FcOpPlus:
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case FcOpMinus:
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