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php-src/ext/standard/html_tables/html_table_gen.php
Peter Kokot 902d39a3a7 Trim trailing whitespace in source code files
2018-10-13 14:14:50 +02:00

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<?php
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2018 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Gustavo Lopes <cataphract@php.net> |
+----------------------------------------------------------------------+
*/
/* This file prints to stdout the contents of ext/standard/html_tables.h */
/* put together with glue; have patience */
$t = <<<CODE
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-%s The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
/* \$Id$ */
#ifndef HTML_TABLES_H
#define HTML_TABLES_H
/**************************************************************************
***************************************************************************
** THIS FILE IS AUTOMATICALLY GENERATED. DO NOT MODIFY IT. **
***************************************************************************
** Please change html_tables/html_table_gen.php instead and then **
** run it in order to generate this file **
***************************************************************************
**************************************************************************/
enum entity_charset { cs_utf_8, cs_8859_1, cs_cp1252, cs_8859_15, cs_cp1251,
cs_8859_5, cs_cp866, cs_macroman, cs_koi8r, cs_big5,
cs_gb2312, cs_big5hkscs, cs_sjis, cs_eucjp,
cs_numelems /* used to count the number of charsets */
};
#define CHARSET_UNICODE_COMPAT(cs) ((cs) <= cs_8859_1)
#define CHARSET_SINGLE_BYTE(cs) ((cs) > cs_utf_8 && (cs) < cs_big5)
#define CHARSET_PARTIAL_SUPPORT(cs) ((cs) >= cs_big5)
static const struct {
const char *codeset;
uint32_t codeset_len;
enum entity_charset charset;
} charset_map[] = {
{ "ISO-8859-1", sizeof("ISO-8859-1")-1, cs_8859_1 },
{ "ISO8859-1", sizeof("ISO8859-1")-1, cs_8859_1 },
{ "ISO-8859-15", sizeof("ISO-8859-15")-1, cs_8859_15 },
{ "ISO8859-15", sizeof("ISO8859-15")-1, cs_8859_15 },
{ "utf-8", sizeof("utf-8")-1, cs_utf_8 },
{ "cp1252", sizeof("cp1252")-1, cs_cp1252 },
{ "Windows-1252", sizeof("Windows-1252")-1, cs_cp1252 },
{ "1252", sizeof("1252")-1, cs_cp1252 },
{ "BIG5", sizeof("BIG5")-1, cs_big5 },
{ "950", sizeof("950")-1, cs_big5 },
{ "GB2312", sizeof("GB2312")-1, cs_gb2312 },
{ "936", sizeof("936")-1, cs_gb2312 },
{ "BIG5-HKSCS", sizeof("BIG5-HKSCS")-1, cs_big5hkscs },
{ "Shift_JIS", sizeof("Shift_JIS")-1, cs_sjis },
{ "SJIS", sizeof("SJIS")-1, cs_sjis },
{ "932", sizeof("932")-1, cs_sjis },
{ "SJIS-win", sizeof("SJIS-win")-1, cs_sjis },
{ "CP932", sizeof("CP932")-1, cs_sjis },
{ "EUCJP", sizeof("EUCJP")-1, cs_eucjp },
{ "EUC-JP", sizeof("EUC-JP")-1, cs_eucjp },
{ "eucJP-win", sizeof("eucJP-win")-1, cs_eucjp },
{ "KOI8-R", sizeof("KOI8-R")-1, cs_koi8r },
{ "koi8-ru", sizeof("koi8-ru")-1, cs_koi8r },
{ "koi8r", sizeof("koi8r")-1, cs_koi8r },
{ "cp1251", sizeof("cp1251")-1, cs_cp1251 },
{ "Windows-1251", sizeof("Windows-1251")-1, cs_cp1251 },
{ "win-1251", sizeof("win-1251")-1, cs_cp1251 },
{ "iso8859-5", sizeof("iso8859-5")-1, cs_8859_5 },
{ "iso-8859-5", sizeof("iso-8859-5")-1, cs_8859_5 },
{ "cp866", sizeof("cp866")-1, cs_cp866 },
{ "866", sizeof("866")-1, cs_cp866 },
{ "ibm866", sizeof("ibm866")-1, cs_cp866 },
{ "MacRoman", sizeof("MacRoman")-1, cs_macroman }
};
/* longest entity name length excluding & and ; */
#define LONGEST_ENTITY_LENGTH 31
/* Definitions for mappings *to* Unicode.
* The origin charset must have at most 256 code points.
* The multi-byte encodings are not supported */
typedef struct {
unsigned short uni_cp[64];
} enc_to_uni_stage2;
typedef struct {
const enc_to_uni_stage2 *inner[4];
} enc_to_uni;
/* bits 7-8 bits (only single bytes encodings supported )*/
#define ENT_ENC_TO_UNI_STAGE1(k) ((k & 0xC0) >> 6)
/* bits 1-6 */
#define ENT_ENC_TO_UNI_STAGE2(k) ((k) & 0x3F)
CODE;
echo sprintf($t, date("Y"));
$encodings = array(
array(
"ident" => "iso88591",
"enumid" => 1,
"name" => "ISO-8859-1",
"file" => "mappings/8859-1.TXT",
),
array(
"ident" => "iso88595",
"enumid" => 5,
"name" => "ISO-8859-5",
"file" => "mappings/8859-5.TXT",
),
array(
"ident" => "iso885915",
"enumid" => 3,
"name" => "ISO-8859-15",
"file" => "mappings/8859-15.TXT",
),
array(
"ident" => "win1252",
"enumid" => 2,
"enumident" => "cp1252",
"name" => "Windows-1252",
"file" => "mappings/CP1252.TXT",
),
array(
"ident" => "win1251",
"enumid" => 4,
"enumident" => "cp1252",
"name" => "Windows-1251",
"file" => "mappings/CP1251.TXT",
),
array(
"ident" => "koi8r",
"enumid" => 8,
"name" => "KOI8-R",
"file" => "mappings/KOI8-R.TXT",
),
array(
"ident" => "cp866",
"enumid" => 6,
"name" => "CP-866",
"file" => "mappings/CP866.TXT",
),
array(
"ident" => "macroman",
"enumid" => 7,
"name" => "MacRoman",
"file" => "mappings/ROMAN.TXT",
),
);
$prevStage2 = array();
foreach ($encodings as $e) {
echo
"/* {{{ Mappings *to* Unicode for {$e['name']} */\n\n";
/* process file */
$map = array();
$lines = explode("\n", file_get_contents($e{'file'}));
foreach ($lines as $l) {
if (preg_match("/^0x([0-9A-Z]{2})\t0x([0-9A-Z]{2,})/i", $l, $matches))
$map[] = array($matches[1], $matches[2]);
}
$mappy = array();
foreach ($map as $v) { $mappy[hexdec($v[0])] = hexdec($v[1]); }
$mstable = array("ident" => $e['ident']);
/* calculate two-stage tables */
for ($i = 0; $i < 4; $i++) {
for ($j = 0; $j < 64; $j++) {
$cp = $i << 6 | $j;
$mstable[$i][$j] = isset($mappy[$cp]) ? $mappy[$cp] : NULL;
}
}
echo
"/* {{{ Stage 2 tables for {$e['name']} */\n\n";
$s2tables_idents = array();
for ($i = 0; $i < 4; $i++) {
if (($t = array_keys($prevStage2, $mstable[$i])) !== array()) {
$s2tables_idents[$i] = $encodings[$t[0]/5]["ident"];
continue;
}
$s2tables_idents[$i] = $e["ident"];
echo "static const enc_to_uni_stage2 enc_to_uni_s2_{$e['ident']}_".
sprintf("%02X", $i << 6)." = { {\n";
for ($j = 0; $j < 64; $j++) {
if ($j == 0) echo "\t";
elseif ($j % 6 == 0) echo "\n\t";
else echo " ";
if ($mstable[$i][$j] !== NULL)
echo sprintf("0x%04X,", $mstable[$i][$j]);
else
echo "0xFFFF,"; /* special value; indicates no mapping */
}
echo "\n} };\n\n";
$prevStage2[] = $mstable[$i];
}
echo
"/* end of stage 2 tables for {$e['name']} }}} */\n\n";
echo
"/* {{{ Stage 1 table for {$e['name']} */\n";
echo
"static const enc_to_uni enc_to_uni_{$e['ident']} = { {
\t&enc_to_uni_s2_{$s2tables_idents[0]}_00,
\t&enc_to_uni_s2_{$s2tables_idents[1]}_40,
\t&enc_to_uni_s2_{$s2tables_idents[2]}_80,
\t&enc_to_uni_s2_{$s2tables_idents[3]}_C0 }
};
";
echo
"/* end of stage 1 table for {$e['name']} }}} */\n\n";
}
$maxencnum = max(array_map(function($e) { return $e['enumid']; }, $encodings));
$a = range(0, $maxencnum);
foreach ($encodings as $e) { $a[$e['enumid']] = $e['ident']; }
echo
"/* {{{ Index of tables for encoding conversion */
static const enc_to_uni *const enc_to_uni_index[cs_numelems] = {\n";
foreach ($a as $k => $v) {
if (is_numeric($v))
echo "\tNULL,\n";
else
echo "\t&enc_to_uni_$v,\n";
}
echo
"};
/* }}} */\n";
$t = <<<CODE
/* Definitions for mappings *from* Unicode */
typedef struct {
unsigned short un_code_point; /* we don't need bigger */
unsigned char cs_code; /* currently, we only have maps to single-byte encodings */
} uni_to_enc;
CODE;
echo $t;
$encodings = array(
array(
"ident" => "iso885915",
"name" => "ISO-8859-15",
"file" => "mappings/8859-15.TXT",
"range" => array(0xA4, 0xBE),
),
array(
"ident" => "win1252",
"name" => "Windows-1252",
"file" => "mappings/CP1252.TXT",
"range" => array(0x80, 0x9F),
),
array(
"ident" => "win1251",
"name" => "Windows-1251",
"file" => "mappings/CP1251.TXT",
"range" => array(0x80, 0xFF),
),
array(
"ident" => "koi8r",
"name" => "KOI8-R",
"file" => "mappings/KOI8-R.TXT",
"range" => array(0x80, 0xFF),
),
array(
"ident" => "cp866",
"name" => "CP-866",
"file" => "mappings/CP866.TXT",
"range" => array(0x80, 0xFF),
),
array(
"ident" => "macroman",
"name" => "MacRoman",
"file" => "mappings/ROMAN.TXT",
"range" => array(0x80, 0xFF),
),
);
foreach ($encodings as $e) {
echo
"/* {{{ Mappings *from* Unicode for {$e['name']} */\n";
/* process file */
$map = array();
$lines = explode("\n", file_get_contents($e{'file'}));
foreach ($lines as $l) {
if (preg_match("/^0x([0-9A-Z]{2})\t0x([0-9A-Z]{2,})\s+#\s*(.*)$/i", $l, $matches))
$map[] = array($matches[1], $matches[2], rtrim($matches[3]));
}
$mappy = array();
foreach ($map as $v) {
if (hexdec($v[0]) >= $e['range'][0] && hexdec($v[0]) <= $e['range'][1])
$mappy[hexdec($v[1])] = array(hexdec($v[0]), strtolower($v[2]));
}
ksort($mappy);
echo
"static const uni_to_enc unimap_{$e['ident']}[] = {\n";
foreach ($mappy as $k => $v) {
echo "\t{ ", sprintf("0x%04X", $k), ", ", sprintf("0x%02X", $v[0]), " },\t/* ",
$v[1], " */\n";
}
echo "};\n";
echo
"/* {{{ end of mappings *from* Unicode for {$e['name']} */\n\n";
}
$data = file_get_contents("ents_html5.txt");
$pass2 = false;
$name = "HTML5";
$ident = "html5";
again:
$t = <<<'CODE'
/* HTML 5 has many more named entities.
* Some of them map to two unicode code points, not one.
* We're going to use a three-stage table (with an extra one for the entities
* with two code points). */
#define ENT_STAGE1_INDEX(k) (((k) & 0xFFF000) >> 12) /* > 1D, we have no mapping */
#define ENT_STAGE2_INDEX(k) (((k) & 0xFC0) >> 6)
#define ENT_STAGE3_INDEX(k) ((k) & 0x3F)
#define ENT_CODE_POINT_FROM_STAGES(i,j,k) (((i) << 12) | ((j) << 6) | (k))
/* The default entity may be NULL. Binary search is still possible while
is senseless as there are just two rows (see also find_entity_for_char()). */
typedef union {
struct {
const char *default_entity;
unsigned size; /* number of remaining entries in the table */
unsigned short default_entity_len;
} leading_entry;
struct {
const char *entity;
unsigned second_cp; /* second code point */
unsigned short entity_len;
} normal_entry;
} entity_multicodepoint_row;
/* blocks of these should start at code points k where k % 0xFC0 == 0 */
typedef struct {
char ambiguous; /* if 0 look into entity */
union {
struct {
const char *entity; /* may be NULL */
unsigned short entity_len;
} ent;
const entity_multicodepoint_row *multicodepoint_table;
} data;
} entity_stage3_row;
/* Calculate k & 0x3F Use as offset */
typedef const entity_stage3_row *entity_stage2_row; /* 64 elements */
/* Calculate k & 0xFC0 >> 6. Use as offset */
typedef const entity_stage3_row *const *entity_stage1_row; /* 64 elements */
/* For stage 1, Calculate k & 0xFFF000 >> 3*4.
* If larger than 1D, we have no mapping. Otherwise lookup that index */
typedef struct {
const entity_stage1_row *ms_table;
/* for tables with only basic entities, this member is to be accessed
* directly for better performance: */
const entity_stage3_row *table;
} entity_table_opt;
/* Replaced "GT" > "gt" and "QUOT" > "quot" for consistency's sake. */
CODE;
if (!$pass2)
echo $t;
$dp = array();
foreach (explode("\n", $data) as $l) {
if (preg_match('/^(#?[a-z0-9]+)\s+([a-f0-9]+) ([a-f0-9]+)/i', $l, $matches)) {
//echo sprintf("\t{\"%-21s 1, 0x%05d},\n", $matches[1].",", $matches[2]);
$dp[] = array($matches[1], $matches[2], $matches[3]);
} else if (preg_match('/^(#?[a-z0-9]+)\s+([a-f0-9]+)/i', $l, $matches)) {
$dp[] = array($matches[1], $matches[2]);
}
}
$origdp = $dp;
usort($dp, function($a, $b) { return hexdec($a[1])-hexdec($b[1]); });
$multicp_rows = array();
foreach ($dp as $el) {
if (count($el) == 3) {
$multicp_rows[$el[1]] = array();
}
}
foreach ($dp as $el) {
if (key_exists($el[1], $multicp_rows)) {
if (count($el) == 3)
$multicp_rows[$el[1]][$el[2]] = $el[0];
else
$multicp_rows[$el[1]]["default"] = $el[0];
}
}
if ($pass2 < 2)
echo "/* {{{ Start of $name multi-stage table for codepoint -> entity */", "\n\n";
else
echo "/* {{{ Start of $name table for codepoint -> entity */", "\n\n";
if (empty($multicp_rows))
goto skip_multicp;
ksort($multicp_rows);
foreach ($multicp_rows as &$v) { ksort($v); }
unset($v);
echo
"/* {{{ Start of double code point tables for $name */", "\n\n";
foreach ($multicp_rows as $k => $v) {
echo "static const entity_multicodepoint_row multi_cp_{$ident}_",
sprintf("%05s", $k), "[] = {", "\n";
if (key_exists("default", $v)) {
if ($v['default'] == 'GT') /* hack to make > translate to &gt; not GT; */
$v['default'] = "gt";
echo "\t{ {", sprintf("\"%-21s", $v["default"].'",'),
"\t", sprintf("%02d", (count($v) - 1)), ",\t\t",
sprintf("% 2d", strlen($v["default"])), '} },', "\n";
} else {
echo "\t{ {", sprintf("%-22s", 'NULL,'),
"\t", sprintf("%02d", count($v)), ",\t\t0} },\n";
}
unset($v["default"]);
foreach ($v as $l => $w) {
echo "\t{ {", sprintf("\"%-21s", $w.'",'), "\t", sprintf("0x%05s", $l), ",\t",
sprintf("% 2d", strlen($w)), '} },', "\n";
}
echo "};\n";
}
echo "\n/* End of double code point tables }}} */", "\n\n";
skip_multicp:
if ($pass2 < 2)
echo "/* {{{ Stage 3 Tables for $name */", "\n\n";
$t = <<<CODE
static const entity_stage3_row empty_stage3_table[] = {
/* 64 elements */
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
{0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } }, {0, { {NULL, 0} } },
};
CODE;
if (!$pass2)
echo $t;
$mstable = array();
foreach ($dp as $el) {
$s1 = (hexdec($el[1]) & 0xFFF000) >> 12;
$s2 = (hexdec($el[1]) & 0xFC0) >> 6;
$s3 = hexdec($el[1]) & 0x3F;
if (key_exists($el[1], $multicp_rows)) {
$mstable[$s1][$s2][$s3] = "";
} else {
$mstable[$s1][$s2][$s3] = $el[0];
}
}
for ($i = 0; $i < 0x1E; $i++) {
for ($k = 0; $k < 64; $k++) {
$any3 = false;
$col3 = array();
for ($l = 0; $l < 64; $l++) {
if (isset($mstable[$i][$k][$l])) {
$any3 = true;
$col3[$l] = $mstable[$i][$k][$l];
} else {
$col3[$l] = null;
}
}
if ($any3) {
echo "static const entity_stage3_row stage3_table_{$ident}_",
sprintf("%02X%03X", $i, $k << 6), "[] = {\n";
foreach ($col3 as $y => $z) {
if ($y == 0) echo "\t";
elseif ($y % 4 == 0) echo "\n\t";
else echo " ";
if ($z === NULL)
echo "{0, { {NULL, 0} } },";
elseif ($z === "QUOT") /* hack to translate " into &quote;, not &QUOT; */
echo "{0, { {\"quot\", 4} } },";
elseif ($z !== "")
echo "{0, { {\"$z\", ", strlen($z), "} } },";
else
echo "{1, { {(void *)", sprintf("multi_cp_{$ident}_%05X",
($i << 12) | ($k << 6) | $y ), ", 0} } },";
}
echo "\n};\n\n";
}
}
}
if ($pass2 < 2)
echo "/* end of stage 3 Tables for $name }}} */", "\n\n";
if ($pass2 > 1)
goto hashtables;
echo
"/* {{{ Stage 2 Tables for $name */", "\n\n";
$t = <<<CODE
static const entity_stage2_row empty_stage2_table[] = {
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
empty_stage3_table, empty_stage3_table, empty_stage3_table, empty_stage3_table,
};
CODE;
if (!$pass2)
echo $t;
for ($i = 0; $i < 0x1E; $i++) {
$any = false;
for ($k = 0; $k < 64; $k++) {
if (isset($mstable[$i][$k]))
$any = true;
}
if ($any) {
echo "static const entity_stage2_row stage2_table_{$ident}_",
sprintf("%02X000", $i), "[] = {\n";
for ($k = 0; $k < 64; $k++) {
if ($k == 0) echo "\t";
elseif ($k % 4 == 0) echo "\n\t";
else echo " ";
if (isset($mstable[$i][$k])) {
echo sprintf("stage3_table_{$ident}_%05X", ($i << 12) | ($k << 6)), ",";
} else {
echo "empty_stage3_table", ",";
}
}
echo "\n};\n\n";
}
}
echo
"/* end of stage 2 tables for $name }}} */", "\n\n";
echo "static const entity_stage1_row entity_ms_table_{$ident}[] = {\n";
for ($i = 0; $i < 0x1E; $i++) {
if (isset($mstable[$i]))
echo "\t", sprintf("stage2_table_{$ident}_%02X000", $i), ",\n";
else
echo "\tempty_stage2_table,\n";
}
echo "};\n\n";
echo
"/* end of $name multi-stage table for codepoint -> entity }}} */\n\n";
/* commented-out; this enabled binary search, which turned out to be
* significantly slower than the hash tables for html 5 entities */
//echo
//"/* {{{ HTML 5 tables for entity -> codepoint */", "\n\n";
//$t = <<<CODE
//typedef struct {
// const char *entity;
// unsigned short entity_len;
// unsigned int codepoint1;
// unsigned int codepoint2;
//} entity_cp_map;
//
//#define ENTITY_CP_MAP_CMP(l, lsize, r, rsize) \
// ( ((lsize)==(rsize)) ? (memcmp((l), (r), (lsize))) : ((lsize)-(rsize)) )
//
//static const entity_cp_map html5_ent_cp_map[] = {
//
//CODE;
//echo $t;
//
//$dp = $origdp;
//usort($dp, function($a, $b) { $d = strlen($a[0])-strlen($b[0]);
// return $d==0?strcmp($a[0], $b[0]):$d; });
//
//$k = 0;
//foreach ($dp as $o) {
// if ($k == 0) echo "\t";
// elseif ($k % 3 == 0) echo "\n\t";
// else echo " ";
// if (isset($o[2]))
// echo sprintf('{"%s", %d, 0x%X, 0x%X},', $o[0], strlen($o[0]),
// hexdec($o[1]), hexdec($o[2]));
// else
// echo sprintf('{"%s", %d, 0x%X, 0},', $o[0], strlen($o[0]),
// hexdec($o[1]));
//
// if (isset($o[2])) {
// $entlen = strlen($o[0]) + 2;
// $utf8len = strlen(
// mb_convert_encoding("&#x{$o[1]};&#x{$o[2]};", "UTF-8", "HTML-ENTITIES"));
// if ($utf8len > $entlen*1.2) {
// die("violated assumption for traverse_for_entities");
// }
// }
//
// $k++;
//}
//echo "\n};\n\n";
//
//echo "static const size_t html5_ent_cp_map_size = $k;\n\n";
//
//echo
//"/* end of HTML 5 tables for entity -> codepoint }}} */\n\n";
hashtables:
echo
"/* {{{ $name hash table for entity -> codepoint */", "\n\n";
$t = <<<CODE
typedef struct {
const char *entity;
unsigned short entity_len;
unsigned int codepoint1;
unsigned int codepoint2;
} entity_cp_map;
typedef const entity_cp_map *entity_ht_bucket;
typedef struct {
unsigned num_elems; /* power of 2 */
const entity_ht_bucket *buckets; /* .num_elems elements */
} entity_ht;
static const entity_cp_map ht_bucket_empty[] = { {NULL, 0, 0, 0} };
CODE;
if (!$pass2)
echo $t;
function hashfun($str)
{
$hash = 5381;
$nKeyLength = strlen($str);
$pos = 0;
for (; $nKeyLength > 0; $nKeyLength--) {
$hash = (int)(((int)(((int)($hash << 5)) + $hash)) + ord($str[$pos++]))
& 0xFFFFFFFF;
}
return $hash;
}
$numelems = max(pow(2, ceil(log(1.5*count($origdp))/log(2))),16);
$mask = $numelems - 1;
$hashes = array();
foreach ($origdp as $e) {
$hashes[hashfun($e[0]) & $mask][] = $e;
if (isset($e[2])) {
$entlen = strlen($e[0]) + 2;
$utf8len = strlen(
mb_convert_encoding("&#x{$e[1]};&#x{$e[2]};", "UTF-8", "HTML-ENTITIES"));
if ($utf8len > $entlen*1.2) {
die("violated assumption for traverse_for_entities");
}
}
}
for ($i = 0; $i < $numelems; $i++) {
if (empty($hashes[$i]))
continue;
echo "static const entity_cp_map ht_bucket_{$ident}_", sprintf("%03X", $i) ,"[] = {";
foreach ($hashes[$i] as $h) {
if (isset($h[2])) {
echo sprintf(' {"%s", %d, 0x%05X, 0x%05X},',
$h[0], strlen($h[0]), hexdec($h[1]), hexdec($h[2]));
} else {
echo sprintf(' {"%s", %d, 0x%05X, 0},',
$h[0], strlen($h[0]), hexdec($h[1]));
}
}
echo " {NULL, 0, 0, 0} };\n";
}
echo "\n";
echo
"static const entity_cp_map *const ht_buckets_{$ident}[] = {\n";
for ($i = 0; $i < $numelems; $i++) {
if ($i == 0) echo "\t";
elseif ($i % 4 == 0) echo "\n\t";
else echo " ";
if (empty($hashes[$i]))
echo "ht_bucket_empty,";
else
echo "ht_bucket_{$ident}_", sprintf("%03X", $i), ",";
}
echo "\n};\n\n";
echo
"static const entity_ht ent_ht_{$ident} = {
", sprintf("0x%X", $numelems), ",
ht_buckets_{$ident}
};\n\n";
echo
"/* end of $name hash table for entity -> codepoint }}} */\n\n";
if (!$pass2) {
$data = file_get_contents("ents_html401.txt");
$pass2 = 1;
$name = "HTML 4.01";
$ident = "html4";
goto again;
} elseif ($pass2 == 1) {
$data = file_get_contents("ents_basic.txt");
$pass2 = 2;
$name = "Basic entities (no apos)";
$ident = "be_noapos";
goto again;
} elseif ($pass2 == 2) {
$data = file_get_contents("ents_basic_apos.txt");
$pass2 = 3;
$name = "Basic entities (with apos)";
$ident = "be_apos";
goto again;
}
echo "#endif /* HTML_TABLES_H */\n";
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