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      1 #!/usr/bin/env python
      2 # Copyright (c) 2010 Google Inc. All rights reserved.
      3 #
      4 # Redistribution and use in source and binary forms, with or without
      5 # modification, are permitted provided that the following conditions are
      6 # met:
      7 # 
      8 #     * Redistributions of source code must retain the above copyright
      9 # notice, this list of conditions and the following disclaimer.
     10 #     * Redistributions in binary form must reproduce the above
     11 # copyright notice, this list of conditions and the following disclaimer
     12 # in the documentation and/or other materials provided with the
     13 # distribution.
     14 #     * Neither the name of Google Inc. nor the names of its
     15 # contributors may be used to endorse or promote products derived from
     16 # this software without specific prior written permission.
     17 # 
     18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 
     30 import csv
     31 import os.path
     32 import string
     33 import sys
     34 
     35 ENTITY = 0
     36 VALUE = 1
     37 
     38 def convert_entity_to_cpp_name(entity):
     39     postfix = "EntityName"
     40     if entity[-1] == ";":
     41         return "%sSemicolon%s" % (entity[:-1], postfix)
     42     return "%s%s" % (entity, postfix)
     43 
     44 
     45 def convert_entity_to_uchar_array(entity):
     46     return "{'%s'}" % "', '".join(entity)
     47 
     48 
     49 def convert_value_to_int(value):
     50     assert(value[0] == "U")
     51     assert(value[1] == "+")
     52     return "0x" + value[2:]
     53 
     54 
     55 def offset_table_entry(offset):
     56     return "    &staticEntityTable[%s]," % offset
     57 
     58 
     59 program_name = os.path.basename(__file__)
     60 if len(sys.argv) < 4 or sys.argv[1] != "-o":
     61     # Python 3, change to: print("Usage: %s -o OUTPUT_FILE INPUT_FILE" % program_name, file=sys.stderr)
     62     sys.stderr.write("Usage: %s -o OUTPUT_FILE INPUT_FILE\n" % program_name)
     63     exit(1)
     64 
     65 output_path = sys.argv[2]
     66 input_path = sys.argv[3]
     67 
     68 html_entity_names_file = open(input_path)
     69 entries = list(csv.reader(html_entity_names_file))
     70 html_entity_names_file.close()
     71 
     72 entries.sort(key = lambda entry: entry[ENTITY])
     73 entity_count = len(entries)
     74 
     75 output_file = open(output_path, "w")
     76 
     77 output_file.write("""/*
     78  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
     79  *
     80  * Redistribution and use in source and binary forms, with or without
     81  * modification, are permitted provided that the following conditions
     82  * are met:
     83  * 1. Redistributions of source code must retain the above copyright
     84  *    notice, this list of conditions and the following disclaimer.
     85  * 2. Redistributions in binary form must reproduce the above copyright
     86  *    notice, this list of conditions and the following disclaimer in the
     87  *    documentation and/or other materials provided with the distribution.
     88  *
     89  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     90  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     91  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     92  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     93  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     94  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     95  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     96  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     97  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     98  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     99  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
    100  */
    101 
    102 // THIS FILE IS GENERATED BY WebCore/html/parser/create-html-entity-table
    103 // DO NOT EDIT (unless you are a ninja)!
    104 
    105 #include "config.h"
    106 #include "HTMLEntityTable.h"
    107 
    108 namespace WebCore {
    109 
    110 namespace {
    111 """)
    112 
    113 for entry in entries:
    114     output_file.write("const UChar %sEntityName[] = %s;" % (
    115         convert_entity_to_cpp_name(entry[ENTITY]),
    116         convert_entity_to_uchar_array(entry[ENTITY])))
    117 
    118 output_file.write("""
    119 HTMLEntityTableEntry staticEntityTable[%s] = {""" % entity_count)
    120 
    121 index = {}
    122 offset = 0
    123 for entry in entries:
    124     letter = entry[ENTITY][0]
    125     if not index.get(letter):
    126         index[letter] = offset
    127     output_file.write('    { %sEntityName, %s, %s },' % (
    128         convert_entity_to_cpp_name(entry[ENTITY]),
    129         len(entry[ENTITY]),
    130         convert_value_to_int(entry[VALUE])))
    131     offset += 1
    132 
    133 output_file.write("""};
    134 """)
    135 
    136 output_file.write("const HTMLEntityTableEntry* uppercaseOffset[] = {")
    137 for letter in string.ascii_uppercase:
    138     output_file.write(offset_table_entry(index[letter]))
    139 output_file.write(offset_table_entry(index['a']))
    140 output_file.write("""};
    141 
    142 const HTMLEntityTableEntry* lowercaseOffset[] = {""")
    143 for letter in string.ascii_lowercase:
    144     output_file.write(offset_table_entry(index[letter]))
    145 output_file.write(offset_table_entry(entity_count))
    146 output_file.write("""};
    147 
    148 }
    149 
    150 const HTMLEntityTableEntry* HTMLEntityTable::firstEntryStartingWith(UChar c)
    151 {
    152     if (c >= 'A' && c <= 'Z')
    153         return uppercaseOffset[c - 'A'];
    154     if (c >= 'a' && c <= 'z')
    155         return lowercaseOffset[c - 'a'];
    156     return 0;
    157 }
    158 
    159 const HTMLEntityTableEntry* HTMLEntityTable::lastEntryStartingWith(UChar c)
    160 {
    161     if (c >= 'A' && c <= 'Z')
    162         return uppercaseOffset[c - 'A' + 1] - 1;
    163     if (c >= 'a' && c <= 'z')
    164         return lowercaseOffset[c - 'a' + 1] - 1;
    165     return 0;
    166 }
    167 
    168 const HTMLEntityTableEntry* HTMLEntityTable::firstEntry()
    169 {
    170     return &staticEntityTable[0];
    171 }
    172 
    173 const HTMLEntityTableEntry* HTMLEntityTable::lastEntry()
    174 {
    175     return &staticEntityTable[%s - 1];
    176 }
    177 
    178 }
    179 """ % entity_count)
    180