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-rw-r--r--nx-X11/extras/fontconfig/src/fcxml.c2388
1 files changed, 2388 insertions, 0 deletions
diff --git a/nx-X11/extras/fontconfig/src/fcxml.c b/nx-X11/extras/fontconfig/src/fcxml.c
new file mode 100644
index 000000000..539e57faf
--- /dev/null
+++ b/nx-X11/extras/fontconfig/src/fcxml.c
@@ -0,0 +1,2388 @@
+/*
+ * $RCSId: xc/lib/fontconfig/src/fcxml.c,v 1.21 2002/08/22 18:53:22 keithp Exp $
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdarg.h>
+#include "fcint.h"
+#include <dirent.h>
+
+#ifndef HAVE_XMLPARSE_H
+#define HAVE_XMLPARSE_H 0
+#endif
+
+#if HAVE_XMLPARSE_H
+#include <xmlparse.h>
+#else
+#include <expat.h>
+#endif
+
+#ifdef _WIN32
+#define STRICT
+#include <windows.h>
+#undef STRICT
+#endif
+
+
+void
+FcTestDestroy (FcTest *test)
+{
+ if (test->next)
+ FcTestDestroy (test->next);
+ FcExprDestroy (test->expr);
+ FcStrFree ((FcChar8 *) test->field);
+ FcMemFree (FC_MEM_TEST, sizeof (FcTest));
+ free (test);
+}
+
+FcExpr *
+FcExprCreateInteger (int i)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpInteger;
+ e->u.ival = i;
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateDouble (double d)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpDouble;
+ e->u.dval = d;
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateString (const FcChar8 *s)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpString;
+ e->u.sval = FcStrCopy (s);
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateMatrix (const FcMatrix *m)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpMatrix;
+ e->u.mval = FcMatrixCopy (m);
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateBool (FcBool b)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpBool;
+ e->u.bval = b;
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateNil (void)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpNil;
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateField (const char *field)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpField;
+ e->u.field = (char *) FcStrCopy ((FcChar8 *) field);
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateConst (const FcChar8 *constant)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = FcOpConst;
+ e->u.constant = FcStrCopy (constant);
+ }
+ return e;
+}
+
+FcExpr *
+FcExprCreateOp (FcExpr *left, FcOp op, FcExpr *right)
+{
+ FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));
+
+ if (e)
+ {
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr));
+ e->op = op;
+ e->u.tree.left = left;
+ e->u.tree.right = right;
+ }
+ return e;
+}
+
+void
+FcExprDestroy (FcExpr *e)
+{
+ if (!e)
+ return;
+ switch (e->op) {
+ case FcOpInteger:
+ break;
+ case FcOpDouble:
+ break;
+ case FcOpString:
+ FcStrFree (e->u.sval);
+ break;
+ case FcOpMatrix:
+ FcMatrixFree (e->u.mval);
+ break;
+ case FcOpCharSet:
+ FcCharSetDestroy (e->u.cval);
+ break;
+ case FcOpBool:
+ break;
+ case FcOpField:
+ FcStrFree ((FcChar8 *) e->u.field);
+ break;
+ case FcOpConst:
+ FcStrFree (e->u.constant);
+ break;
+ case FcOpAssign:
+ case FcOpAssignReplace:
+ case FcOpPrepend:
+ case FcOpPrependFirst:
+ case FcOpAppend:
+ case FcOpAppendLast:
+ break;
+ case FcOpOr:
+ case FcOpAnd:
+ case FcOpEqual:
+ case FcOpNotEqual:
+ case FcOpLess:
+ case FcOpLessEqual:
+ case FcOpMore:
+ case FcOpMoreEqual:
+ case FcOpContains:
+ case FcOpListing:
+ case FcOpNotContains:
+ case FcOpPlus:
+ case FcOpMinus:
+ case FcOpTimes:
+ case FcOpDivide:
+ case FcOpQuest:
+ case FcOpComma:
+ FcExprDestroy (e->u.tree.right);
+ /* fall through */
+ case FcOpNot:
+ case FcOpFloor:
+ case FcOpCeil:
+ case FcOpRound:
+ case FcOpTrunc:
+ FcExprDestroy (e->u.tree.left);
+ break;
+ case FcOpNil:
+ case FcOpInvalid:
+ break;
+ }
+ FcMemFree (FC_MEM_EXPR, sizeof (FcExpr));
+ free (e);
+}
+
+void
+FcEditDestroy (FcEdit *e)
+{
+ if (e->next)
+ FcEditDestroy (e->next);
+ FcStrFree ((FcChar8 *) e->field);
+ if (e->expr)
+ FcExprDestroy (e->expr);
+ free (e);
+}
+
+char *
+FcConfigSaveField (const char *field)
+{
+ return (char *) FcStrCopy ((FcChar8 *) field);
+}
+
+typedef enum _FcElement {
+ FcElementNone,
+ FcElementFontconfig,
+ FcElementDir,
+ FcElementCache,
+ FcElementInclude,
+ FcElementConfig,
+ FcElementMatch,
+ FcElementAlias,
+
+ FcElementBlank,
+ FcElementRescan,
+
+ FcElementPrefer,
+ FcElementAccept,
+ FcElementDefault,
+ FcElementFamily,
+
+ FcElementSelectfont,
+ FcElementAcceptfont,
+ FcElementRejectfont,
+ FcElementGlob,
+ FcElementPattern,
+ FcElementPatelt,
+
+ FcElementTest,
+ FcElementEdit,
+ FcElementInt,
+ FcElementDouble,
+ FcElementString,
+ FcElementMatrix,
+ FcElementBool,
+ FcElementCharset,
+ FcElementName,
+ FcElementConst,
+ FcElementOr,
+ FcElementAnd,
+ FcElementEq,
+ FcElementNotEq,
+ FcElementLess,
+ FcElementLessEq,
+ FcElementMore,
+ FcElementMoreEq,
+ FcElementContains,
+ FcElementNotContains,
+ FcElementPlus,
+ FcElementMinus,
+ FcElementTimes,
+ FcElementDivide,
+ FcElementNot,
+ FcElementIf,
+ FcElementFloor,
+ FcElementCeil,
+ FcElementRound,
+ FcElementTrunc,
+ FcElementUnknown
+} FcElement;
+
+static FcElement
+FcElementMap (const XML_Char *name)
+{
+ static struct {
+ char *name;
+ FcElement element;
+ } fcElementMap[] = {
+ { "fontconfig", FcElementFontconfig },
+ { "dir", FcElementDir },
+ { "cache", FcElementCache },
+ { "include", FcElementInclude },
+ { "config", FcElementConfig },
+ { "match", FcElementMatch },
+ { "alias", FcElementAlias },
+
+ { "blank", FcElementBlank },
+ { "rescan", FcElementRescan },
+
+ { "prefer", FcElementPrefer },
+ { "accept", FcElementAccept },
+ { "default", FcElementDefault },
+ { "family", FcElementFamily },
+
+ { "selectfont", FcElementSelectfont },
+ { "acceptfont", FcElementAcceptfont },
+ { "rejectfont", FcElementRejectfont },
+ { "glob", FcElementGlob },
+ { "pattern", FcElementPattern },
+ { "patelt", FcElementPatelt },
+
+ { "test", FcElementTest },
+ { "edit", FcElementEdit },
+ { "int", FcElementInt },
+ { "double", FcElementDouble },
+ { "string", FcElementString },
+ { "matrix", FcElementMatrix },
+ { "bool", FcElementBool },
+ { "charset", FcElementCharset },
+ { "name", FcElementName },
+ { "const", FcElementConst },
+ { "or", FcElementOr },
+ { "and", FcElementAnd },
+ { "eq", FcElementEq },
+ { "not_eq", FcElementNotEq },
+ { "less", FcElementLess },
+ { "less_eq", FcElementLessEq },
+ { "more", FcElementMore },
+ { "more_eq", FcElementMoreEq },
+ { "contains", FcElementContains },
+ { "not_contains",FcElementNotContains },
+ { "plus", FcElementPlus },
+ { "minus", FcElementMinus },
+ { "times", FcElementTimes },
+ { "divide", FcElementDivide },
+ { "not", FcElementNot },
+ { "if", FcElementIf },
+ { "floor", FcElementFloor },
+ { "ceil", FcElementCeil },
+ { "round", FcElementRound },
+ { "trunc", FcElementTrunc },
+
+ { 0, 0 }
+ };
+
+ int i;
+ for (i = 0; fcElementMap[i].name; i++)
+ if (!strcmp ((char *) name, fcElementMap[i].name))
+ return fcElementMap[i].element;
+ return FcElementUnknown;
+}
+
+typedef struct _FcPStack {
+ struct _FcPStack *prev;
+ FcElement element;
+ FcChar8 **attr;
+ FcStrBuf str;
+} FcPStack;
+
+typedef enum _FcVStackTag {
+ FcVStackNone,
+
+ FcVStackString,
+ FcVStackFamily,
+ FcVStackField,
+ FcVStackConstant,
+ FcVStackGlob,
+ FcVStackPattern,
+
+ FcVStackPrefer,
+ FcVStackAccept,
+ FcVStackDefault,
+
+ FcVStackInteger,
+ FcVStackDouble,
+ FcVStackMatrix,
+ FcVStackBool,
+
+ FcVStackTest,
+ FcVStackExpr,
+ FcVStackEdit
+} FcVStackTag;
+
+typedef struct _FcVStack {
+ struct _FcVStack *prev;
+ FcPStack *pstack; /* related parse element */
+ FcVStackTag tag;
+ union {
+ FcChar8 *string;
+
+ int integer;
+ double _double;
+ FcMatrix *matrix;
+ FcBool bool;
+
+ FcTest *test;
+ FcQual qual;
+ FcOp op;
+ FcExpr *expr;
+ FcEdit *edit;
+
+ FcPattern *pattern;
+ } u;
+} FcVStack;
+
+typedef struct _FcConfigParse {
+ FcPStack *pstack;
+ FcVStack *vstack;
+ FcBool error;
+ const FcChar8 *name;
+ FcConfig *config;
+ XML_Parser parser;
+} FcConfigParse;
+
+typedef enum _FcConfigSeverity {
+ FcSevereInfo, FcSevereWarning, FcSevereError
+} FcConfigSeverity;
+
+static void
+FcConfigMessage (FcConfigParse *parse, FcConfigSeverity severe, char *fmt, ...)
+{
+ char *s = "unknown";
+ va_list args;
+
+ va_start (args, fmt);
+
+ switch (severe) {
+ case FcSevereInfo: s = "info"; break;
+ case FcSevereWarning: s = "warning"; break;
+ case FcSevereError: s = "error"; break;
+ }
+ if (parse)
+ {
+ if (parse->name)
+ fprintf (stderr, "Fontconfig %s: \"%s\", line %d: ", s,
+ parse->name, XML_GetCurrentLineNumber (parse->parser));
+ else
+ fprintf (stderr, "Fontconfig %s: line %d: ", s,
+ XML_GetCurrentLineNumber (parse->parser));
+ if (severe >= FcSevereError)
+ parse->error = FcTrue;
+ }
+ else
+ fprintf (stderr, "Fontconfig %s: ", s);
+ vfprintf (stderr, fmt, args);
+ fprintf (stderr, "\n");
+ va_end (args);
+}
+
+
+static char *
+FcTypeName (FcType type)
+{
+ switch (type) {
+ case FcTypeVoid:
+ return "void";
+ case FcTypeInteger:
+ case FcTypeDouble:
+ return "number";
+ case FcTypeString:
+ return "string";
+ case FcTypeBool:
+ return "bool";
+ case FcTypeMatrix:
+ return "matrix";
+ case FcTypeCharSet:
+ return "charset";
+ case FcTypeFTFace:
+ return "FT_Face";
+ case FcTypeLangSet:
+ return "langset";
+ default:
+ return "unknown";
+ }
+}
+
+static void
+FcTypecheckValue (FcConfigParse *parse, FcType value, FcType type)
+{
+ if (value == FcTypeInteger)
+ value = FcTypeDouble;
+ if (type == FcTypeInteger)
+ type = FcTypeDouble;
+ if (value != type)
+ {
+ if ((value == FcTypeLangSet && type == FcTypeString) ||
+ (value == FcTypeString && type == FcTypeLangSet))
+ return;
+ FcConfigMessage (parse, FcSevereWarning, "saw %s, expected %s",
+ FcTypeName (value), FcTypeName (type));
+ }
+}
+
+static void
+FcTypecheckExpr (FcConfigParse *parse, FcExpr *expr, FcType type)
+{
+ const FcObjectType *o;
+ const FcConstant *c;
+
+ switch (expr->op) {
+ case FcOpInteger:
+ case FcOpDouble:
+ FcTypecheckValue (parse, FcTypeDouble, type);
+ break;
+ case FcOpString:
+ FcTypecheckValue (parse, FcTypeString, type);
+ break;
+ case FcOpMatrix:
+ FcTypecheckValue (parse, FcTypeMatrix, type);
+ break;
+ case FcOpBool:
+ FcTypecheckValue (parse, FcTypeBool, type);
+ break;
+ case FcOpCharSet:
+ FcTypecheckValue (parse, FcTypeCharSet, type);
+ break;
+ case FcOpNil:
+ break;
+ case FcOpField:
+ o = FcNameGetObjectType (expr->u.field);
+ if (o)
+ FcTypecheckValue (parse, o->type, type);
+ break;
+ case FcOpConst:
+ c = FcNameGetConstant (expr->u.constant);
+ if (c)
+ {
+ o = FcNameGetObjectType (c->object);
+ if (o)
+ FcTypecheckValue (parse, o->type, type);
+ }
+ break;
+ case FcOpQuest:
+ FcTypecheckExpr (parse, expr->u.tree.left, FcTypeBool);
+ FcTypecheckExpr (parse, expr->u.tree.right->u.tree.left, type);
+ FcTypecheckExpr (parse, expr->u.tree.right->u.tree.right, type);
+ break;
+ case FcOpAssign:
+ case FcOpAssignReplace:
+ break;
+ case FcOpEqual:
+ case FcOpNotEqual:
+ case FcOpLess:
+ case FcOpLessEqual:
+ case FcOpMore:
+ case FcOpMoreEqual:
+ case FcOpContains:
+ case FcOpNotContains:
+ case FcOpListing:
+ FcTypecheckValue (parse, FcTypeBool, type);
+ break;
+ case FcOpComma:
+ case FcOpOr:
+ case FcOpAnd:
+ case FcOpPlus:
+ case FcOpMinus:
+ case FcOpTimes:
+ case FcOpDivide:
+ FcTypecheckExpr (parse, expr->u.tree.left, type);
+ FcTypecheckExpr (parse, expr->u.tree.right, type);
+ break;
+ case FcOpNot:
+ FcTypecheckValue (parse, FcTypeBool, type);
+ FcTypecheckExpr (parse, expr->u.tree.left, FcTypeBool);
+ break;
+ case FcOpFloor:
+ case FcOpCeil:
+ case FcOpRound:
+ case FcOpTrunc:
+ FcTypecheckValue (parse, FcTypeDouble, type);
+ FcTypecheckExpr (parse, expr->u.tree.left, FcTypeDouble);
+ break;
+ default:
+ break;
+ }
+}
+
+static FcTest *
+FcTestCreate (FcConfigParse *parse,
+ FcMatchKind kind,
+ FcQual qual,
+ const FcChar8 *field,
+ FcOp compare,
+ FcExpr *expr)
+{
+ FcTest *test = (FcTest *) malloc (sizeof (FcTest));
+
+ if (test)
+ {
+ const FcObjectType *o;
+
+ FcMemAlloc (FC_MEM_TEST, sizeof (FcTest));
+ test->next = 0;
+ test->kind = kind;
+ test->qual = qual;
+ test->field = (char *) FcStrCopy (field);
+ test->op = compare;
+ test->expr = expr;
+ o = FcNameGetObjectType (test->field);
+ if (o)
+ FcTypecheckExpr (parse, expr, o->type);
+ }
+ return test;
+}
+
+static FcEdit *
+FcEditCreate (FcConfigParse *parse,
+ const char *field,
+ FcOp op,
+ FcExpr *expr,
+ FcValueBinding binding)
+{
+ FcEdit *e = (FcEdit *) malloc (sizeof (FcEdit));
+
+ if (e)
+ {
+ const FcObjectType *o;
+
+ e->next = 0;
+ e->field = field; /* already saved in grammar */
+ e->op = op;
+ e->expr = expr;
+ e->binding = binding;
+ o = FcNameGetObjectType (e->field);
+ if (o)
+ FcTypecheckExpr (parse, expr, o->type);
+ }
+ return e;
+}
+
+static void
+FcVStackPush (FcConfigParse *parse, FcVStack *vstack)
+{
+ vstack->prev = parse->vstack;
+ vstack->pstack = parse->pstack ? parse->pstack->prev : 0;
+ parse->vstack = vstack;
+}
+
+static FcVStack *
+FcVStackCreate (void)
+{
+ FcVStack *new;
+
+ new = malloc (sizeof (FcVStack));
+ if (!new)
+ return 0;
+ FcMemAlloc (FC_MEM_VSTACK, sizeof (FcVStack));
+ new->tag = FcVStackNone;
+ new->prev = 0;
+ return new;
+}
+
+static void
+FcVStackDestroy (FcVStack *vstack)
+{
+ FcVStack *prev;
+
+ for (; vstack; vstack = prev)
+ {
+ prev = vstack->prev;
+ switch (vstack->tag) {
+ case FcVStackNone:
+ break;
+ case FcVStackString:
+ case FcVStackFamily:
+ case FcVStackField:
+ case FcVStackConstant:
+ case FcVStackGlob:
+ FcStrFree (vstack->u.string);
+ break;
+ case FcVStackPattern:
+ FcPatternDestroy (vstack->u.pattern);
+ break;
+ case FcVStackInteger:
+ case FcVStackDouble:
+ break;
+ case FcVStackMatrix:
+ FcMatrixFree (vstack->u.matrix);
+ break;
+ case FcVStackBool:
+ break;
+ case FcVStackTest:
+ FcTestDestroy (vstack->u.test);
+ break;
+ case FcVStackExpr:
+ case FcVStackPrefer:
+ case FcVStackAccept:
+ case FcVStackDefault:
+ FcExprDestroy (vstack->u.expr);
+ break;
+ case FcVStackEdit:
+ FcEditDestroy (vstack->u.edit);
+ break;
+ }
+ FcMemFree (FC_MEM_VSTACK, sizeof (FcVStack));
+ free (vstack);
+ }
+}
+
+static FcBool
+FcVStackPushString (FcConfigParse *parse, FcVStackTag tag, FcChar8 *string)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.string = string;
+ vstack->tag = tag;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushInteger (FcConfigParse *parse, int integer)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.integer = integer;
+ vstack->tag = FcVStackInteger;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushDouble (FcConfigParse *parse, double _double)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u._double = _double;
+ vstack->tag = FcVStackDouble;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ matrix = FcMatrixCopy (matrix);
+ if (!matrix)
+ {
+ FcVStackDestroy (vstack);
+ return FcFalse;
+ }
+ vstack->u.matrix = matrix;
+ vstack->tag = FcVStackMatrix;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushBool (FcConfigParse *parse, FcBool bool)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.bool = bool;
+ vstack->tag = FcVStackBool;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushTest (FcConfigParse *parse, FcTest *test)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.test = test;
+ vstack->tag = FcVStackTest;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushExpr (FcConfigParse *parse, FcVStackTag tag, FcExpr *expr)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.expr = expr;
+ vstack->tag = tag;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushEdit (FcConfigParse *parse, FcEdit *edit)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.edit = edit;
+ vstack->tag = FcVStackEdit;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcBool
+FcVStackPushPattern (FcConfigParse *parse, FcPattern *pattern)
+{
+ FcVStack *vstack = FcVStackCreate ();
+ if (!vstack)
+ return FcFalse;
+ vstack->u.pattern = pattern;
+ vstack->tag = FcVStackPattern;
+ FcVStackPush (parse, vstack);
+ return FcTrue;
+}
+
+static FcVStack *
+FcVStackFetch (FcConfigParse *parse, int off)
+{
+ FcVStack *vstack;
+
+ for (vstack = parse->vstack; vstack && off-- > 0; vstack = vstack->prev);
+ return vstack;
+}
+
+static void
+FcVStackClear (FcConfigParse *parse)
+{
+ while (parse->vstack && parse->vstack->pstack == parse->pstack)
+ {
+ FcVStack *vstack = parse->vstack;
+ parse->vstack = vstack->prev;
+ vstack->prev = 0;
+ FcVStackDestroy (vstack);
+ }
+}
+
+static FcVStack *
+FcVStackPop (FcConfigParse *parse)
+{
+ FcVStack *vstack = parse->vstack;
+
+ if (!vstack || vstack->pstack != parse->pstack)
+ return 0;
+ parse->vstack = vstack->prev;
+ vstack->prev = 0;
+ return vstack;
+}
+
+static int
+FcVStackElements (FcConfigParse *parse)
+{
+ int h = 0;
+ FcVStack *vstack = parse->vstack;
+ while (vstack && vstack->pstack == parse->pstack)
+ {
+ h++;
+ vstack = vstack->prev;
+ }
+ return h;
+}
+
+static FcChar8 **
+FcConfigSaveAttr (const XML_Char **attr)
+{
+ int n;
+ int slen;
+ int i;
+ FcChar8 **new;
+ FcChar8 *s;
+
+ if (!attr)
+ return 0;
+ slen = 0;
+ for (i = 0; attr[i]; i++)
+ slen += strlen (attr[i]) + 1;
+ n = i;
+ new = malloc ((i + 1) * sizeof (FcChar8 *) + slen);
+ if (!new)
+ return 0;
+ FcMemAlloc (FC_MEM_ATTR, 1); /* size is too expensive */
+ s = (FcChar8 *) (new + (i + 1));
+ for (i = 0; attr[i]; i++)
+ {
+ new[i] = s;
+ strcpy ((char *) s, (char *) attr[i]);
+ s += strlen ((char *) s) + 1;
+ }
+ new[i] = 0;
+ return new;
+}
+
+static FcBool
+FcPStackPush (FcConfigParse *parse, FcElement element, const XML_Char **attr)
+{
+ FcPStack *new = malloc (sizeof (FcPStack));
+
+ if (!new)
+ return FcFalse;
+ FcMemAlloc (FC_MEM_PSTACK, sizeof (FcPStack));
+ new->prev = parse->pstack;
+ new->element = element;
+ if (attr)
+ {
+ new->attr = FcConfigSaveAttr (attr);
+ if (!new->attr)
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ }
+ else
+ new->attr = 0;
+ FcStrBufInit (&new->str, 0, 0);
+ parse->pstack = new;
+ return FcTrue;
+}
+
+static FcBool
+FcPStackPop (FcConfigParse *parse)
+{
+ FcPStack *old;
+
+ if (!parse->pstack)
+ {
+ FcConfigMessage (parse, FcSevereError, "mismatching element");
+ return FcFalse;
+ }
+ FcVStackClear (parse);
+ old = parse->pstack;
+ parse->pstack = old->prev;
+ FcStrBufDestroy (&old->str);
+ if (old->attr)
+ {
+ FcMemFree (FC_MEM_ATTR, 1); /* size is to expensive */
+ free (old->attr);
+ }
+ FcMemFree (FC_MEM_PSTACK, sizeof (FcPStack));
+ free (old);
+ return FcTrue;
+}
+
+static FcBool
+FcConfigInit (FcConfigParse *parse, const FcChar8 *name, FcConfig *config, XML_Parser parser)
+{
+ parse->pstack = 0;
+ parse->vstack = 0;
+ parse->error = FcFalse;
+ parse->name = name;
+ parse->config = config;
+ parse->parser = parser;
+ return FcTrue;
+}
+
+static void
+FcConfigCleanup (FcConfigParse *parse)
+{
+ while (parse->pstack)
+ FcPStackPop (parse);
+}
+
+static const FcChar8 *
+FcConfigGetAttribute (FcConfigParse *parse, char *attr)
+{
+ FcChar8 **attrs;
+ if (!parse->pstack)
+ return 0;
+
+ attrs = parse->pstack->attr;
+ while (*attrs)
+ {
+ if (!strcmp ((char *) *attrs, attr))
+ return attrs[1];
+ attrs += 2;
+ }
+ return 0;
+}
+
+static void
+FcStartElement(void *userData, const XML_Char *name, const XML_Char **attr)
+{
+ FcConfigParse *parse = userData;
+ FcElement element;
+
+ element = FcElementMap (name);
+ if (element == FcElementUnknown)
+ FcConfigMessage (parse, FcSevereWarning, "unknown element \"%s\"", name);
+
+ if (!FcPStackPush (parse, element, attr))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ return;
+}
+
+static void
+FcParseBlank (FcConfigParse *parse)
+{
+ int n = FcVStackElements (parse);
+ 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;
+ }
+ }
+ if (!FcBlanksAdd (parse->config->blanks, v->u.integer))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ break;
+ }
+ }
+ }
+}
+
+static void
+FcParseRescan (FcConfigParse *parse)
+{
+ int n = FcVStackElements (parse);
+ while (n-- > 0)
+ {
+ FcVStack *v = FcVStackFetch (parse, n);
+ if (v->tag != FcVStackInteger)
+ FcConfigMessage (parse, FcSevereWarning, "non-integer rescan");
+ else
+ parse->config->rescanInterval = v->u.integer;
+ }
+}
+
+static void
+FcParseInt (FcConfigParse *parse)
+{
+ FcChar8 *s, *end;
+ int l;
+
+ if (!parse->pstack)
+ return;
+ s = FcStrBufDone (&parse->pstack->str);
+ if (!s)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ end = 0;
+ l = (int) strtol ((char *) s, (char **)&end, 0);
+ if (end != s + strlen ((char *) s))
+ FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid integer", s);
+ else
+ FcVStackPushInteger (parse, l);
+ FcStrFree (s);
+}
+
+/*
+ * idea copied from glib g_ascii_strtod with
+ * permission of the author (Alexander Larsson)
+ */
+
+#include <locale.h>
+
+static double
+FcStrtod (char *s, char **end)
+{
+ struct lconv *locale_data;
+ char *dot;
+ double v;
+
+ /*
+ * Have to swap the decimal point to match the current locale
+ * if that locale doesn't use 0x2e
+ */
+ if ((dot = strchr (s, 0x2e)) &&
+ (locale_data = localeconv ()) &&
+ (locale_data->decimal_point[0] != 0x2e ||
+ locale_data->decimal_point[1] != 0))
+ {
+ char buf[128];
+ int slen = strlen (s);
+ int dlen = strlen (locale_data->decimal_point);
+
+ if (slen + dlen > sizeof (buf))
+ {
+ if (end)
+ *end = s;
+ v = 0;
+ }
+ else
+ {
+ char *buf_end;
+ /* mantissa */
+ strncpy (buf, s, dot - s);
+ /* decimal point */
+ strcpy (buf + (dot - s), locale_data->decimal_point);
+ /* rest of number */
+ strcpy (buf + (dot - s) + dlen, dot + 1);
+ buf_end = 0;
+ v = strtod (buf, &buf_end);
+ if (buf_end) {
+ buf_end = s + (buf_end - buf);
+ if (buf_end > dot)
+ buf_end -= dlen - 1;
+ }
+ if (end)
+ *end = buf_end;
+ }
+ }
+ else
+ v = strtod (s, end);
+ return v;
+}
+
+static void
+FcParseDouble (FcConfigParse *parse)
+{
+ FcChar8 *s, *end;
+ double d;
+
+ if (!parse->pstack)
+ return;
+ s = FcStrBufDone (&parse->pstack->str);
+ if (!s)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ end = 0;
+ d = FcStrtod ((char *) s, (char **)&end);
+ if (end != s + strlen ((char *) s))
+ FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid double", s);
+ else
+ FcVStackPushDouble (parse, d);
+ FcStrFree (s);
+}
+
+static void
+FcParseString (FcConfigParse *parse, FcVStackTag tag)
+{
+ FcChar8 *s;
+
+ if (!parse->pstack)
+ return;
+ s = FcStrBufDone (&parse->pstack->str);
+ if (!s)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ if (!FcVStackPushString (parse, tag, s))
+ FcStrFree (s);
+}
+
+static void
+FcParseMatrix (FcConfigParse *parse)
+{
+ FcVStack *vstack;
+ enum { m_done, m_xx, m_xy, m_yx, m_yy } matrix_state = m_yy;
+ FcMatrix m;
+
+ while ((vstack = FcVStackPop (parse)))
+ {
+ double v;
+ switch (vstack->tag) {
+ case FcVStackInteger:
+ v = vstack->u.integer;
+ break;
+ case FcVStackDouble:
+ v = vstack->u._double;
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereError, "non-double matrix element");
+ v = 1.0;
+ break;
+ }
+ switch (matrix_state) {
+ case m_xx: m.xx = v; break;
+ case m_xy: m.xy = v; break;
+ case m_yx: m.yx = v; break;
+ case m_yy: m.yy = v; break;
+ default: break;
+ }
+ FcVStackDestroy (vstack);
+ matrix_state--;
+ }
+ if (matrix_state != m_done)
+ FcConfigMessage (parse, FcSevereError, "wrong number of matrix elements");
+ else
+ FcVStackPushMatrix (parse, &m);
+}
+
+static FcBool
+FcConfigLexBool (FcConfigParse *parse, const FcChar8 *bool)
+{
+ FcBool result = FcFalse;
+
+ if (!FcNameBool (bool, &result))
+ FcConfigMessage (parse, FcSevereWarning, "\"%s\" is not known boolean",
+ bool);
+ return result;
+}
+
+static void
+FcParseBool (FcConfigParse *parse)
+{
+ FcChar8 *s;
+
+ if (!parse->pstack)
+ return;
+ s = FcStrBufDone (&parse->pstack->str);
+ if (!s)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ FcVStackPushBool (parse, FcConfigLexBool (parse, s));
+ FcStrFree (s);
+}
+
+static void
+FcParseFamilies (FcConfigParse *parse, FcVStackTag tag)
+{
+ FcVStack *vstack;
+ FcExpr *left, *expr = 0, *new;
+
+ while ((vstack = FcVStackPop (parse)))
+ {
+ if (vstack->tag != FcVStackFamily)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "non-family");
+ FcVStackDestroy (vstack);
+ continue;
+ }
+ left = vstack->u.expr;
+ vstack->tag = FcVStackNone;
+ FcVStackDestroy (vstack);
+ if (expr)
+ {
+ new = FcExprCreateOp (left, FcOpComma, expr);
+ if (!new)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ FcExprDestroy (left);
+ FcExprDestroy (expr);
+ break;
+ }
+ expr = new;
+ }
+ else
+ expr = left;
+ }
+ if (expr)
+ {
+ if (!FcVStackPushExpr (parse, tag, expr))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ if (expr)
+ FcExprDestroy (expr);
+ }
+ }
+}
+
+static void
+FcParseFamily (FcConfigParse *parse)
+{
+ FcChar8 *s;
+ FcExpr *expr;
+
+ if (!parse->pstack)
+ return;
+ s = FcStrBufDone (&parse->pstack->str);
+ if (!s)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ expr = FcExprCreateString (s);
+ FcStrFree (s);
+ if (expr)
+ FcVStackPushExpr (parse, FcVStackFamily, expr);
+}
+
+static void
+FcParseAlias (FcConfigParse *parse)
+{
+ FcExpr *family = 0, *accept = 0, *prefer = 0, *def = 0, *new = 0;
+ FcEdit *edit = 0, *next;
+ FcVStack *vstack;
+ FcTest *test;
+
+ while ((vstack = FcVStackPop (parse)))
+ {
+ switch (vstack->tag) {
+ case FcVStackFamily:
+ if (family)
+ {
+ new = FcExprCreateOp (vstack->u.expr, FcOpComma, family);
+ if (!new)
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ else
+ family = new;
+ }
+ else
+ new = vstack->u.expr;
+ if (new)
+ {
+ family = new;
+ vstack->tag = FcVStackNone;
+ }
+ break;
+ case FcVStackPrefer:
+ if (prefer)
+ FcExprDestroy (prefer);
+ prefer = vstack->u.expr;
+ vstack->tag = FcVStackNone;
+ break;
+ case FcVStackAccept:
+ if (accept)
+ FcExprDestroy (accept);
+ accept = vstack->u.expr;
+ vstack->tag = FcVStackNone;
+ break;
+ case FcVStackDefault:
+ if (def)
+ FcExprDestroy (def);
+ def = vstack->u.expr;
+ vstack->tag = FcVStackNone;
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereWarning, "bad alias");
+ break;
+ }
+ FcVStackDestroy (vstack);
+ }
+ if (!family)
+ {
+ FcConfigMessage (parse, FcSevereError, "missing family in alias");
+ if (prefer)
+ FcExprDestroy (prefer);
+ if (accept)
+ FcExprDestroy (accept);
+ if (def)
+ FcExprDestroy (def);
+ return;
+ }
+ if (prefer)
+ {
+ edit = FcEditCreate (parse,
+ FcConfigSaveField ("family"),
+ FcOpPrepend,
+ prefer,
+ FcValueBindingWeak);
+ if (edit)
+ edit->next = 0;
+ else
+ FcExprDestroy (prefer);
+ }
+ if (accept)
+ {
+ next = edit;
+ edit = FcEditCreate (parse,
+ FcConfigSaveField ("family"),
+ FcOpAppend,
+ accept,
+ FcValueBindingWeak);
+ if (edit)
+ edit->next = next;
+ else
+ FcExprDestroy (accept);
+ }
+ if (def)
+ {
+ next = edit;
+ edit = FcEditCreate (parse,
+ FcConfigSaveField ("family"),
+ FcOpAppendLast,
+ def,
+ FcValueBindingWeak);
+ if (edit)
+ edit->next = next;
+ else
+ FcExprDestroy (def);
+ }
+ if (edit)
+ {
+ test = FcTestCreate (parse, FcMatchPattern,
+ FcQualAny,
+ (FcChar8 *) FC_FAMILY,
+ FcOpEqual,
+ family);
+ if (test)
+ if (!FcConfigAddEdit (parse->config, test, edit, FcMatchPattern))
+ FcTestDestroy (test);
+ }
+ else
+ FcExprDestroy (family);
+}
+
+static FcExpr *
+FcPopExpr (FcConfigParse *parse)
+{
+ FcVStack *vstack = FcVStackPop (parse);
+ FcExpr *expr = 0;
+ if (!vstack)
+ return 0;
+ switch (vstack->tag) {
+ case FcVStackNone:
+ break;
+ case FcVStackString:
+ case FcVStackFamily:
+ expr = FcExprCreateString (vstack->u.string);
+ break;
+ case FcVStackField:
+ expr = FcExprCreateField ((char *) vstack->u.string);
+ break;
+ case FcVStackConstant:
+ expr = FcExprCreateConst (vstack->u.string);
+ break;
+ case FcVStackGlob:
+ /* XXX: What's the correct action here? (CDW) */
+ break;
+ case FcVStackPrefer:
+ case FcVStackAccept:
+ case FcVStackDefault:
+ expr = vstack->u.expr;
+ vstack->tag = FcVStackNone;
+ break;
+ case FcVStackInteger:
+ expr = FcExprCreateInteger (vstack->u.integer);
+ break;
+ case FcVStackDouble:
+ expr = FcExprCreateDouble (vstack->u._double);
+ break;
+ case FcVStackMatrix:
+ expr = FcExprCreateMatrix (vstack->u.matrix);
+ break;
+ case FcVStackBool:
+ expr = FcExprCreateBool (vstack->u.bool);
+ break;
+ case FcVStackTest:
+ break;
+ case FcVStackExpr:
+ expr = vstack->u.expr;
+ vstack->tag = FcVStackNone;
+ break;
+ case FcVStackEdit:
+ break;
+ default:
+ break;
+ }
+ FcVStackDestroy (vstack);
+ return expr;
+}
+
+/*
+ * This builds a tree of binary operations. Note
+ * that every operator is defined so that if only
+ * a single operand is contained, the value of the
+ * whole expression is the value of the operand.
+ *
+ * This code reduces in that case to returning that
+ * operand.
+ */
+static FcExpr *
+FcPopBinary (FcConfigParse *parse, FcOp op)
+{
+ FcExpr *left, *expr = 0, *new;
+
+ while ((left = FcPopExpr (parse)))
+ {
+ if (expr)
+ {
+ new = FcExprCreateOp (left, op, expr);
+ if (!new)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ FcExprDestroy (left);
+ FcExprDestroy (expr);
+ break;
+ }
+ expr = new;
+ }
+ else
+ expr = left;
+ }
+ return expr;
+}
+
+static void
+FcParseBinary (FcConfigParse *parse, FcOp op)
+{
+ FcExpr *expr = FcPopBinary (parse, op);
+ if (expr)
+ FcVStackPushExpr (parse, FcVStackExpr, expr);
+}
+
+/*
+ * This builds a a unary operator, it consumes only
+ * a single operand
+ */
+
+static FcExpr *
+FcPopUnary (FcConfigParse *parse, FcOp op)
+{
+ FcExpr *operand, *new = 0;
+
+ if ((operand = FcPopExpr (parse)))
+ {
+ new = FcExprCreateOp (operand, op, 0);
+ if (!new)
+ {
+ FcExprDestroy (operand);
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ }
+ }
+ return new;
+}
+
+static void
+FcParseUnary (FcConfigParse *parse, FcOp op)
+{
+ FcExpr *expr = FcPopUnary (parse, op);
+ if (expr)
+ FcVStackPushExpr (parse, FcVStackExpr, expr);
+}
+
+static void
+FcParseInclude (FcConfigParse *parse)
+{
+ FcChar8 *s;
+ const FcChar8 *i;
+ FcBool ignore_missing = FcFalse;
+
+ s = FcStrBufDone (&parse->pstack->str);
+ if (!s)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ i = FcConfigGetAttribute (parse, "ignore_missing");
+ if (i && FcConfigLexBool (parse, (FcChar8 *) i) == FcTrue)
+ ignore_missing = FcTrue;
+ if (!FcConfigParseAndLoad (parse->config, s, !ignore_missing))
+ parse->error = FcTrue;
+ FcStrFree (s);
+}
+
+typedef struct _FcOpMap {
+ char *name;
+ FcOp op;
+} FcOpMap;
+
+static FcOp
+FcConfigLexOp (const FcChar8 *op, const FcOpMap *map, int nmap)
+{
+ int i;
+
+ for (i = 0; i < nmap; i++)
+ if (!strcmp ((char *) op, map[i].name))
+ return map[i].op;
+ return FcOpInvalid;
+}
+
+static const FcOpMap fcCompareOps[] = {
+ { "eq", FcOpEqual },
+ { "not_eq", FcOpNotEqual },
+ { "less", FcOpLess },
+ { "less_eq", FcOpLessEqual },
+ { "more", FcOpMore },
+ { "more_eq", FcOpMoreEqual },
+ { "contains", FcOpContains },
+ { "not_contains", FcOpNotContains }
+};
+
+#define NUM_COMPARE_OPS (sizeof fcCompareOps / sizeof fcCompareOps[0])
+
+static FcOp
+FcConfigLexCompare (const FcChar8 *compare)
+{
+ return FcConfigLexOp (compare, fcCompareOps, NUM_COMPARE_OPS);
+}
+
+
+static void
+FcParseTest (FcConfigParse *parse)
+{
+ const FcChar8 *kind_string;
+ FcMatchKind kind;
+ const FcChar8 *qual_string;
+ FcQual qual;
+ const FcChar8 *name;
+ const FcChar8 *compare_string;
+ FcOp compare;
+ FcExpr *expr;
+ FcTest *test;
+
+ kind_string = FcConfigGetAttribute (parse, "target");
+ if (!kind_string)
+ kind = FcMatchDefault;
+ else
+ {
+ if (!strcmp ((char *) kind_string, "pattern"))
+ kind = FcMatchPattern;
+ else if (!strcmp ((char *) kind_string, "font"))
+ kind = FcMatchFont;
+ else if (!strcmp ((char *) kind_string, "default"))
+ kind = FcMatchDefault;
+ else
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid test target \"%s\"", kind_string);
+ return;
+ }
+ }
+ qual_string = FcConfigGetAttribute (parse, "qual");
+ if (!qual_string)
+ qual = FcQualAny;
+ else
+ {
+ if (!strcmp ((char *) qual_string, "any"))
+ qual = FcQualAny;
+ else if (!strcmp ((char *) qual_string, "all"))
+ qual = FcQualAll;
+ else if (!strcmp ((char *) qual_string, "first"))
+ qual = FcQualFirst;
+ else if (!strcmp ((char *) qual_string, "not_first"))
+ qual = FcQualNotFirst;
+ else
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid test qual \"%s\"", qual_string);
+ return;
+ }
+ }
+ name = FcConfigGetAttribute (parse, "name");
+ if (!name)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "missing test name");
+ return;
+ }
+ compare_string = FcConfigGetAttribute (parse, "compare");
+ if (!compare_string)
+ compare = FcOpEqual;
+ else
+ {
+ compare = FcConfigLexCompare (compare_string);
+ if (compare == FcOpInvalid)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid test compare \"%s\"", compare_string);
+ return;
+ }
+ }
+ expr = FcPopBinary (parse, FcOpComma);
+ if (!expr)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "missing test expression");
+ return;
+ }
+ test = FcTestCreate (parse, kind, qual, name, compare, expr);
+ if (!test)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ FcVStackPushTest (parse, test);
+}
+
+static const FcOpMap fcModeOps[] = {
+ { "assign", FcOpAssign },
+ { "assign_replace", FcOpAssignReplace },
+ { "prepend", FcOpPrepend },
+ { "prepend_first", FcOpPrependFirst },
+ { "append", FcOpAppend },
+ { "append_last", FcOpAppendLast },
+};
+
+#define NUM_MODE_OPS (sizeof fcModeOps / sizeof fcModeOps[0])
+
+static FcOp
+FcConfigLexMode (const FcChar8 *mode)
+{
+ return FcConfigLexOp (mode, fcModeOps, NUM_MODE_OPS);
+}
+
+static void
+FcParseEdit (FcConfigParse *parse)
+{
+ const FcChar8 *name;
+ const FcChar8 *mode_string;
+ const FcChar8 *binding_string;
+ FcOp mode;
+ FcValueBinding binding;
+ FcExpr *expr;
+ FcEdit *edit;
+
+ name = FcConfigGetAttribute (parse, "name");
+ if (!name)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "missing edit name");
+ return;
+ }
+ mode_string = FcConfigGetAttribute (parse, "mode");
+ if (!mode_string)
+ mode = FcOpAssign;
+ else
+ {
+ mode = FcConfigLexMode (mode_string);
+ if (mode == FcOpInvalid)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid edit mode \"%s\"", mode_string);
+ return;
+ }
+ }
+ binding_string = FcConfigGetAttribute (parse, "binding");
+ if (!binding_string)
+ binding = FcValueBindingWeak;
+ else
+ {
+ if (!strcmp ((char *) binding_string, "weak"))
+ binding = FcValueBindingWeak;
+ else if (!strcmp ((char *) binding_string, "strong"))
+ binding = FcValueBindingStrong;
+ else if (!strcmp ((char *) binding_string, "same"))
+ binding = FcValueBindingSame;
+ else
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid edit binding \"%s\"", binding_string);
+ return;
+ }
+ }
+ expr = FcPopBinary (parse, FcOpComma);
+ edit = FcEditCreate (parse, (char *) FcStrCopy (name), mode, expr, binding);
+ if (!edit)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ FcExprDestroy (expr);
+ return;
+ }
+ if (!FcVStackPushEdit (parse, edit))
+ FcEditDestroy (edit);
+}
+
+static void
+FcParseMatch (FcConfigParse *parse)
+{
+ const FcChar8 *kind_name;
+ FcMatchKind kind;
+ FcTest *test = 0;
+ FcEdit *edit = 0;
+ FcVStack *vstack;
+
+ kind_name = FcConfigGetAttribute (parse, "target");
+ if (!kind_name)
+ kind = FcMatchPattern;
+ else
+ {
+ if (!strcmp ((char *) kind_name, "pattern"))
+ kind = FcMatchPattern;
+ else if (!strcmp ((char *) kind_name, "font"))
+ kind = FcMatchFont;
+ else
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid match target \"%s\"", kind_name);
+ return;
+ }
+ }
+ while ((vstack = FcVStackPop (parse)))
+ {
+ switch (vstack->tag) {
+ case FcVStackTest:
+ vstack->u.test->next = test;
+ test = vstack->u.test;
+ vstack->tag = FcVStackNone;
+ break;
+ case FcVStackEdit:
+ vstack->u.edit->next = edit;
+ edit = vstack->u.edit;
+ vstack->tag = FcVStackNone;
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereWarning, "invalid match element");
+ break;
+ }
+ FcVStackDestroy (vstack);
+ }
+ if (!FcConfigAddEdit (parse->config, test, edit, kind))
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+}
+
+static void
+FcParseAcceptRejectFont (FcConfigParse *parse, FcElement element)
+{
+ FcVStack *vstack;
+
+ while ((vstack = FcVStackPop (parse)))
+ {
+ switch (vstack->tag) {
+ case FcVStackGlob:
+ if (!FcConfigGlobAdd (parse->config,
+ vstack->u.string,
+ element == FcElementAcceptfont))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ }
+ break;
+ case FcVStackPattern:
+ if (!FcConfigPatternsAdd (parse->config,
+ vstack->u.pattern,
+ element == FcElementAcceptfont))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ }
+ else
+ vstack->tag = FcVStackNone;
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereWarning, "bad font selector");
+ break;
+ }
+ FcVStackDestroy (vstack);
+ }
+}
+
+
+static FcValue
+FcPopValue (FcConfigParse *parse)
+{
+ FcVStack *vstack = FcVStackPop (parse);
+ FcValue value;
+
+ value.type = FcTypeVoid;
+
+ if (!vstack)
+ return value;
+
+ switch (vstack->tag) {
+ case FcVStackString:
+ value.u.s = FcStrCopy (vstack->u.string);
+ if (value.u.s)
+ value.type = FcTypeString;
+ break;
+ case FcVStackConstant:
+ if (FcNameConstant (vstack->u.string, &value.u.i))
+ value.type = FcTypeInteger;
+ break;
+ case FcVStackInteger:
+ value.u.i = vstack->u.integer;
+ value.type = FcTypeInteger;
+ break;
+ case FcVStackDouble:
+ value.u.d = vstack->u._double;
+ value.type = FcTypeInteger;
+ break;
+ case FcVStackMatrix:
+ value.u.m = FcMatrixCopy (vstack->u.matrix);
+ if (value.u.m)
+ value.type = FcTypeMatrix;
+ break;
+ case FcVStackBool:
+ value.u.b = vstack->u.bool;
+ value.type = FcTypeBool;
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereWarning, "unknown pattern element %d",
+ vstack->tag);
+ break;
+ }
+ FcVStackDestroy (vstack);
+
+ return value;
+}
+
+static void
+FcParsePatelt (FcConfigParse *parse)
+{
+ FcValue value;
+ FcPattern *pattern = FcPatternCreate ();
+ const char *name;
+
+ if (!pattern)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+
+ name = FcConfigGetAttribute (parse, "name");
+ if (!name)
+ {
+ FcConfigMessage (parse, FcSevereWarning, "missing pattern element name");
+ return;
+ }
+
+ for (;;)
+ {
+ value = FcPopValue (parse);
+ if (value.type == FcTypeVoid)
+ break;
+ if (!FcPatternAdd (pattern, name, value, FcTrue))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ break;
+ }
+ }
+
+ FcVStackPushPattern (parse, pattern);
+}
+
+static void
+FcParsePattern (FcConfigParse *parse)
+{
+ FcVStack *vstack;
+ FcPattern *pattern = FcPatternCreate ();
+
+ if (!pattern)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+
+ while ((vstack = FcVStackPop (parse)))
+ {
+ switch (vstack->tag) {
+ case FcVStackPattern:
+ if (!FcPatternAppend (pattern, vstack->u.pattern))
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ return;
+ }
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereWarning, "unknown pattern element");
+ break;
+ }
+ FcVStackDestroy (vstack);
+ }
+
+ FcVStackPushPattern (parse, pattern);
+}
+
+static void
+FcEndElement(void *userData, const XML_Char *name)
+{
+ FcConfigParse *parse = userData;
+ FcChar8 *data;
+
+ if (!parse->pstack)
+ return;
+ switch (parse->pstack->element) {
+ case FcElementNone:
+ break;
+ case FcElementFontconfig:
+ break;
+ case FcElementDir:
+ data = FcStrBufDone (&parse->pstack->str);
+ if (!data)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ break;
+ }
+#ifdef _WIN32
+ if (strcmp (data, "WINDOWSFONTDIR") == 0)
+ {
+ int rc;
+ FcStrFree (data);
+ data = malloc (1000);
+ if (!data)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ break;
+ }
+ FcMemAlloc (FC_MEM_STRING, 1000);
+ rc = GetWindowsDirectory (data, 800);
+ if (rc == 0 || rc > 800)
+ {
+ FcConfigMessage (parse, FcSevereError, "GetWindowsDirectory failed");
+ FcStrFree (data);
+ break;
+ }
+ if (data [strlen (data) - 1] != '\\')
+ strcat (data, "\\");
+ strcat (data, "fonts");
+ }
+#endif
+ if (!FcStrUsesHome (data) || FcConfigHome ())
+ {
+ if (!FcConfigAddDir (parse->config, data))
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ }
+ FcStrFree (data);
+ break;
+ case FcElementCache:
+ data = FcStrBufDone (&parse->pstack->str);
+ if (!data)
+ {
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ break;
+ }
+ if (!FcStrUsesHome (data) || FcConfigHome ())
+ {
+ if (!FcConfigSetCache (parse->config, data))
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+ }
+ FcStrFree (data);
+ break;
+ case FcElementInclude:
+ FcParseInclude (parse);
+ break;
+ case FcElementConfig:
+ break;
+ case FcElementMatch:
+ FcParseMatch (parse);
+ break;
+ case FcElementAlias:
+ FcParseAlias (parse);
+ break;
+
+ case FcElementBlank:
+ FcParseBlank (parse);
+ break;
+ case FcElementRescan:
+ FcParseRescan (parse);
+ break;
+
+ case FcElementPrefer:
+ FcParseFamilies (parse, FcVStackPrefer);
+ break;
+ case FcElementAccept:
+ FcParseFamilies (parse, FcVStackAccept);
+ break;
+ case FcElementDefault:
+ FcParseFamilies (parse, FcVStackDefault);
+ break;
+ case FcElementFamily:
+ FcParseFamily (parse);
+ break;
+
+ case FcElementTest:
+ FcParseTest (parse);
+ break;
+ case FcElementEdit:
+ FcParseEdit (parse);
+ break;
+
+ case FcElementInt:
+ FcParseInt (parse);
+ break;
+ case FcElementDouble:
+ FcParseDouble (parse);
+ break;
+ case FcElementString:
+ FcParseString (parse, FcVStackString);
+ break;
+ case FcElementMatrix:
+ FcParseMatrix (parse);
+ break;
+ case FcElementBool:
+ FcParseBool (parse);
+ break;
+ case FcElementCharset:
+/* FcParseCharset (parse); */
+ break;
+ case FcElementSelectfont:
+ break;
+ case FcElementAcceptfont:
+ case FcElementRejectfont:
+ FcParseAcceptRejectFont (parse, parse->pstack->element);
+ break;
+ case FcElementGlob:
+ FcParseString (parse, FcVStackGlob);
+ break;
+ case FcElementPattern:
+ FcParsePattern (parse);
+ break;
+ case FcElementPatelt:
+ FcParsePatelt (parse);
+ break;
+ case FcElementName:
+ FcParseString (parse, FcVStackField);
+ break;
+ case FcElementConst:
+ FcParseString (parse, FcVStackConstant);
+ break;
+ case FcElementOr:
+ FcParseBinary (parse, FcOpOr);
+ break;
+ case FcElementAnd:
+ FcParseBinary (parse, FcOpAnd);
+ break;
+ case FcElementEq:
+ FcParseBinary (parse, FcOpEqual);
+ break;
+ case FcElementNotEq:
+ FcParseBinary (parse, FcOpNotEqual);
+ break;
+ case FcElementLess:
+ FcParseBinary (parse, FcOpLess);
+ break;
+ case FcElementLessEq:
+ FcParseBinary (parse, FcOpLessEqual);
+ break;
+ case FcElementMore:
+ FcParseBinary (parse, FcOpMore);
+ break;
+ case FcElementMoreEq:
+ FcParseBinary (parse, FcOpMoreEqual);
+ break;
+ case FcElementContains:
+ FcParseBinary (parse, FcOpContains);
+ break;
+ case FcElementNotContains:
+ FcParseBinary (parse, FcOpNotContains);
+ break;
+ case FcElementPlus:
+ FcParseBinary (parse, FcOpPlus);
+ break;
+ case FcElementMinus:
+ FcParseBinary (parse, FcOpMinus);
+ break;
+ case FcElementTimes:
+ FcParseBinary (parse, FcOpTimes);
+ break;
+ case FcElementDivide:
+ FcParseBinary (parse, FcOpDivide);
+ break;
+ case FcElementNot:
+ FcParseUnary (parse, FcOpNot);
+ break;
+ case FcElementIf:
+ FcParseBinary (parse, FcOpQuest);
+ break;
+ case FcElementFloor:
+ FcParseUnary (parse, FcOpFloor);
+ break;
+ case FcElementCeil:
+ FcParseUnary (parse, FcOpCeil);
+ break;
+ case FcElementRound:
+ FcParseUnary (parse, FcOpRound);
+ break;
+ case FcElementTrunc:
+ FcParseUnary (parse, FcOpTrunc);
+ break;
+ case FcElementUnknown:
+ break;
+ }
+ (void) FcPStackPop (parse);
+}
+
+static void
+FcCharacterData (void *userData, const XML_Char *s, int len)
+{
+ FcConfigParse *parse = userData;
+
+ if (!parse->pstack)
+ return;
+ if (!FcStrBufData (&parse->pstack->str, (FcChar8 *) s, len))
+ FcConfigMessage (parse, FcSevereError, "out of memory");
+}
+
+static void
+FcStartDoctypeDecl (void *userData,
+ const XML_Char *doctypeName,
+ const XML_Char *sysid,
+ const XML_Char *pubid,
+ int has_internal_subset)
+{
+ FcConfigParse *parse = userData;
+
+ if (strcmp ((char *) doctypeName, "fontconfig") != 0)
+ FcConfigMessage (parse, FcSevereError, "invalid doctype \"%s\"", doctypeName);
+}
+
+static void
+FcEndDoctypeDecl (void *userData)
+{
+}
+
+static FcBool
+FcConfigParseAndLoadDir (FcConfig *config,
+ const FcChar8 *name,
+ const FcChar8 *dir,
+ FcBool complain)
+{
+ DIR *d;
+ struct dirent *e;
+ FcBool ret = FcTrue;
+ FcChar8 *file;
+ FcChar8 *base;
+ FcStrSet *files;
+
+ d = opendir ((char *) dir);
+ if (!d)
+ {
+ if (complain)
+ FcConfigMessage (0, FcSevereError, "Cannot open config dir \"%s\"",
+ name);
+ ret = FcFalse;
+ goto bail0;
+ }
+ /* freed below */
+ file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
+ if (!file)
+ {
+ ret = FcFalse;
+ goto bail1;
+ }
+
+ strcpy ((char *) file, (char *) dir);
+ strcat ((char *) file, "/");
+ base = file + strlen ((char *) file);
+
+ files = FcStrSetCreate ();
+ if (!files)
+ {
+ ret = FcFalse;
+ goto bail2;
+ }
+
+ if (FcDebug () & FC_DBG_CONFIG)
+ printf ("\tScanning config dir %s\n", dir);
+
+ while (ret && (e = readdir (d)))
+ {
+ /*
+ * Add all files of the form [0-9]*
+ */
+ if ('0' <= e->d_name[0] && e->d_name[0] <= '9' &&
+ strlen (e->d_name) < FC_MAX_FILE_LEN)
+ {
+ strcpy ((char *) base, (char *) e->d_name);
+ if (!FcStrSetAdd (files, file))
+ {
+ ret = FcFalse;
+ goto bail3;
+ }
+ }
+ }
+ if (ret)
+ {
+ int i;
+ qsort (files->strs, files->num, sizeof (FcChar8 *),
+ (int (*)(const void *, const void *)) FcStrCmp);
+ for (i = 0; ret && i < files->num; i++)
+ ret = FcConfigParseAndLoad (config, files->strs[i], complain);
+ }
+bail3:
+ FcStrSetDestroy (files);
+bail2:
+ free (file);
+bail1:
+ closedir (d);
+bail0:
+ return ret || !complain;
+}
+
+FcBool
+FcConfigParseAndLoad (FcConfig *config,
+ const FcChar8 *name,
+ FcBool complain)
+{
+
+ XML_Parser p;
+ FcChar8 *filename;
+ FILE *f;
+ int len;
+ void *buf;
+ FcConfigParse parse;
+ FcBool error = FcTrue;
+
+ filename = FcConfigFilename (name);
+ if (!filename)
+ goto bail0;
+
+ if (!FcStrSetAdd (config->configFiles, filename))
+ {
+ FcStrFree (filename);
+ goto bail0;
+ }
+
+ if (FcFileIsDir (filename))
+ {
+ FcBool ret = FcConfigParseAndLoadDir (config, name, filename, complain);
+ FcStrFree (filename);
+ return ret;
+ }
+
+ if (FcDebug () & FC_DBG_CONFIG)
+ printf ("\tLoading config file %s\n", filename);
+
+ f = fopen ((char *) filename, "r");
+ FcStrFree (filename);
+ if (!f)
+ goto bail0;
+
+ p = XML_ParserCreate ("UTF-8");
+ if (!p)
+ goto bail1;
+
+ if (!FcConfigInit (&parse, name, config, p))
+ goto bail2;
+
+ XML_SetUserData (p, &parse);
+
+ XML_SetDoctypeDeclHandler (p, FcStartDoctypeDecl, FcEndDoctypeDecl);
+ XML_SetElementHandler (p, FcStartElement, FcEndElement);
+ XML_SetCharacterDataHandler (p, FcCharacterData);
+
+ do {
+ buf = XML_GetBuffer (p, BUFSIZ);
+ if (!buf)
+ {
+ FcConfigMessage (&parse, FcSevereError, "cannot get parse buffer");
+ goto bail3;
+ }
+ len = fread (buf, 1, BUFSIZ, f);
+ if (len < 0)
+ {
+ FcConfigMessage (&parse, FcSevereError, "failed reading config file");
+ goto bail3;
+ }
+ if (!XML_ParseBuffer (p, len, len == 0))
+ {
+ FcConfigMessage (&parse, FcSevereError, "%s",
+ XML_ErrorString (XML_GetErrorCode (p)));
+ goto bail3;
+ }
+ } while (len != 0);
+ error = parse.error;
+bail3:
+ FcConfigCleanup (&parse);
+bail2:
+ XML_ParserFree (p);
+bail1:
+ fclose (f);
+bail0:
+ if (error && complain)
+ {
+ if (name)
+ FcConfigMessage (0, FcSevereError, "Cannot load config file \"%s\"", name);
+ else
+ FcConfigMessage (0, FcSevereError, "Cannot load default config file");
+ return FcFalse;
+ }
+ return FcTrue;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 15:38:07 +0000