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Diffstat (limited to 'src/codegen/fonts/code-point-mapping.xsl')
| -rw-r--r-- | src/codegen/fonts/code-point-mapping.xsl | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/codegen/fonts/code-point-mapping.xsl b/src/codegen/fonts/code-point-mapping.xsl new file mode 100644 index 000000000..7d0d6cd71 --- /dev/null +++ b/src/codegen/fonts/code-point-mapping.xsl @@ -0,0 +1,120 @@ +<!-- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> +<!-- $Id$ --> +<xsl:stylesheet version="1.0" + xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> + <xsl:output method="text"/> + <xsl:variable name='glyphlists' + select="document('glyphlist.xml')/glyphlist-set"/> + + <xsl:template match="encoding-set"> +package org.apache.fop.fonts; + +import java.util.Map; +import java.util.Collections; + +public class CodePointMapping { + private char[] latin1Map; + private char[] characters; + private char[] codepoints; + private CodePointMapping(int [] table) { + int nonLatin1 = 0; + latin1Map = new char[256]; + for(int i = 0; i < table.length; i += 2) { + if(table[i+1] < 256) + latin1Map[table[i+1]] = (char) table[i]; + else + ++nonLatin1; + } + characters = new char[nonLatin1]; + codepoints = new char[nonLatin1]; + int top = 0; + for(int i = 0; i < table.length; i += 2) { + char c = (char) table[i+1]; + if(c >= 256) { + ++top; + for(int j = top - 1; j >= 0; --j) { + if(j > 0 && characters[j-1] >= c) { + characters[j] = characters[j-1]; + codepoints[j] = codepoints[j-1]; + } else { + characters[j] = c; + codepoints[j] = (char) table[i]; + break; + } + } + } + } + } + public final char mapChar(char c) { + if(c < 256) { + return latin1Map[c]; + } else { + int bot = 0, top = characters.length - 1; + while(top >= bot) { + int mid = (bot + top) / 2; + char mc = characters[mid]; + + if(c == mc) + return codepoints[mid]; + else if(c < mc) + top = mid - 1; + else + bot = mid + 1; + } + return 0; + } + } + + private static Map mappings; + static { + mappings = Collections.synchronizedMap(new java.util.HashMap()); + } + public static CodePointMapping getMapping(String encoding) { + CodePointMapping mapping = (CodePointMapping) mappings.get(encoding); + if(mapping != null) { + return mapping; + } <xsl:apply-templates mode="get"/> + else { + return null; + } + } +<xsl:apply-templates mode="table"/> +} + </xsl:template> + + <xsl:template match="encoding" mode="get"> + else if(encoding.equals("<xsl:value-of select="@id"/>")) { + mapping = new CodePointMapping(enc<xsl:value-of select="@id"/>); + mappings.put("<xsl:value-of select="@id"/>", mapping); + return mapping; + } + </xsl:template> + + <xsl:template match="encoding" mode="table"> + <xsl:variable name="glyphlist-name" select="@glyphlist"/> + <xsl:variable name="glyphlist" + select="$glyphlists/glyphlist[@id=$glyphlist-name]"/> + private static final int[] enc<xsl:value-of select="@id"/> + = {<xsl:for-each select="glyph"> + <xsl:variable name="codepoint" select="@codepoint"/> + <xsl:variable name="name" select="@name"/><xsl:for-each select="$glyphlist/glyph[@name=$name]"> + 0x<xsl:value-of select="$codepoint"/>, 0x<xsl:value-of select="@codepoint"/>, // <xsl:value-of select="$name"/> +</xsl:for-each></xsl:for-each> + }; + </xsl:template> +</xsl:stylesheet> |