-#!/bin/sh
-# the next line restats using tclsh \
-exec tclsh "$0" "$@"
-#
-# $Id: charconv.tcl,v 1.2 2004-03-15 23:14:40 adam Exp $
+#!/usr/bin/tclsh
proc usage {} {
puts {charconv.tcl: [-p prefix] [-s split] [-o ofile] file ... }
exit 1
}
-proc ins_trie {from to} {
+proc preamble_trie {ofilehandle ifiles ofile} {
+ set f $ofilehandle
+
+ set totype {unsigned }
+
+ puts $f "/** \\file $ofile"
+ puts $f " \\brief Character conversion, generated from [lindex $ifiles 0]"
+ puts $f ""
+ puts $f " Generated automatically by charconv.tcl"
+ puts $f "*/"
+ puts $f "\#include <string.h>"
+
+ puts $f "\#if HAVE_CONFIG_H"
+ puts $f "\#include <config.h>"
+ puts $f "\#endif"
+
+ puts $f "
+ struct yaz_iconv_trie_flat {
+ char from\[6\];
+ unsigned combining : 1;
+ $totype to : 24;
+ };
+ struct yaz_iconv_trie_dir {
+ int ptr : 15;
+ unsigned combining : 1;
+ $totype to : 24;
+ };
+
+ struct yaz_iconv_trie {
+ struct yaz_iconv_trie_flat *flat;
+ struct yaz_iconv_trie_dir *dir;
+ };
+ "
+ puts $f {
+ static unsigned long lookup(struct yaz_iconv_trie **ptrs, int ptr, unsigned char *inp,
+ size_t inbytesleft, size_t *no_read, int *combining, unsigned mask, unsigned int boffset)
+ {
+ struct yaz_iconv_trie *t = ptrs[ptr-1];
+ if (inbytesleft < 1)
+ return 0;
+ if (t->dir)
+ {
+ size_t ch = (inp[0] & mask) + boffset;
+ unsigned long code;
+ if (t->dir[ch].ptr)
+ {
+ code = lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read, combining, mask, boffset);
+ if (code)
+ {
+ (*no_read)++;
+ return code;
+ }
+ }
+ if (t->dir[ch].to)
+ {
+ code = t->dir[ch].to;
+ *combining = t->dir[ch].combining;
+ *no_read = 1;
+ return code;
+ }
+ }
+ else
+ {
+ struct yaz_iconv_trie_flat *flat = t->flat;
+ while (flat->to)
+ {
+ size_t len = strlen(flat->from);
+ if (len <= inbytesleft)
+ {
+ size_t i;
+ for (i = 0; i < len; i++)
+ {
+ if (((unsigned char *) flat->from)[i] != (inp[i] & mask) + boffset)
+ break;
+ }
+ if (i == len)
+ {
+ *no_read = len;
+ *combining = flat->combining;
+ return flat->to;
+ }
+ }
+ flat++;
+ }
+ }
+ return 0;
+ }
+ }
+}
+
+proc reset_trie {} {
+ global trie
+
+ foreach x [array names trie] {
+ unset trie($x)
+ }
+
+ set trie(no) 1
+ set trie(size) 0
+ set trie(max) 0
+ set trie(split) 50
+ set trie(prefix) {}
+}
+
+proc ins_trie {from to combining codename} {
global trie
if {![info exists trie(no)]} {
set trie(no) 1
set trie(max) $to
}
incr trie(size)
- ins_trie_r [split $from] $to 0
+ ins_trie_r [split $from] $to $combining $codename 0
}
proc split_trie {this} {
foreach e $trie($this,content) {
set from [lindex $e 0]
set to [lindex $e 1]
+ set combining [lindex $e 2]
+ set codename [lindex $e 3]
set ch [lindex $from 0]
set rest [lrange $from 1 end]
set trie($this,ptr,$ch) $trie(no)
incr trie(no)
}
- ins_trie_r $rest $to $trie($this,ptr,$ch)
+ ins_trie_r $rest $to $combining $codename $trie($this,ptr,$ch)
} else {
set trie($this,to,$ch) $to
+ set trie($this,combining,$ch) $combining
+ set trie($this,codename,$ch) $codename
}
}
set trie($this,content) missing
}
-proc ins_trie_r {from to this} {
+proc ins_trie_r {from to combining codename this} {
global trie
if {![info exist trie($this,type)]} {
set trie($this,type) f
}
if {$trie($this,type) == "f"} {
- lappend trie($this,content) [list $from $to]
+ set dup 0
+ if {[info exists trie($this,content)]} {
+ foreach e $trie($this,content) {
+ set efrom [lindex $e 0]
+ if { $efrom == $from } {
+ set dup 1
+ }
+ }
+ }
+ if { $dup == 0 } {
+ lappend trie($this,content) [list $from $to $combining $codename]
+ }
# split ?
if {[llength $trie($this,content)] > $trie(split)} {
split_trie $this
- return [ins_trie_r $from $to $this]
+ return [ins_trie_r $from $to $combining $codename $this]
}
} else {
set ch [lindex $from 0]
set trie($this,ptr,$ch) $trie(no)
incr trie(no)
}
- ins_trie_r $rest $to $trie($this,ptr,$ch)
+ ins_trie_r $rest $to $combining $codename $trie($this,ptr,$ch)
} else {
- set trie($this,to,$ch) $to
+ if {![info exist trie($this,to,$ch)]} {
+ set trie($this,to,$ch) $to
+ set trie($this,combining,$ch) $combining
+ set trie($this,codename,$ch) $codename
+ }
}
}
}
-proc dump_trie {ofile} {
+proc dump_trie {ofilehandle} {
global trie
- set f [open $ofile w]
-
- if {[string length $trie(max)] > 4} {
- set totype int
- } else {
- set totype {unsigned short}
- }
+ set f $ofilehandle
puts $f "/* TRIE: size $trie(size) */"
- puts $f "\#include <string.h>"
- puts $f "
- struct yaz_iconv_trie_flat {
- char *from;
- $totype to;
- };
- struct yaz_iconv_trie_dir {
- struct yaz_iconv_trie *ptr;
- $totype to;
- };
-
- struct yaz_iconv_trie {
- struct yaz_iconv_trie_flat *flat;
- struct yaz_iconv_trie_dir *dir;
- };
- "
set this $trie(no)
while { [incr this -1] >= 0 } {
foreach d [lindex $m 0] {
puts -nonewline $f "\\x$d"
}
- puts -nonewline $f "\", 0x[lindex $m 1]"
- puts $f "\},"
+ puts -nonewline $f "\", [lindex $m 2], 0x[lindex $m 1]"
+ set v [lindex $m 3]
+ puts $f "\}, /* $v */"
}
- puts $f " \{0, 0\}"
+ puts $f " \{\"\", 0, 0\}"
puts $f "\};"
puts $f "struct yaz_iconv_trie $trie(prefix)page${this} = \{"
puts $f " $trie(prefix)page${this}_flat, 0"
set ch [format %02X $i]
set null 1
if {[info exist trie($this,ptr,$ch)]} {
- puts -nonewline $f "&$trie(prefix)page$trie($this,ptr,$ch), "
+ puts -nonewline $f "[expr $trie($this,ptr,$ch)+1], "
set null 0
} else {
puts -nonewline $f "0, "
}
+ if {[info exist trie($this,combining,$ch)]} {
+ puts -nonewline $f "$trie($this,combining,$ch), "
+ } else {
+ puts -nonewline $f "0, "
+ }
if {[info exist trie($this,to,$ch)]} {
puts -nonewline $f "0x$trie($this,to,$ch)\}"
set null 0
} else {
puts -nonewline $f "0\}"
}
- if {!$null} {
- puts -nonewline $f " /* $ch */"
+ if {[info exist trie($this,codename,$ch)]} {
+ set v $trie($this,codename,$ch)
+ puts -nonewline $f " /* $v */"
}
if {$i < 255} {
puts $f ","
puts $f "\};"
}
}
- puts $f {
- static unsigned long lookup(struct yaz_iconv_trie *t, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
- {
- if (!t || inbytesleft < 1)
- return 0;
- if (t->dir)
- {
- size_t ch = inp[0] & 0xff;
- unsigned long code =
- lookup(t->dir[ch].ptr, inp+1, inbytesleft-1, no_read);
- if (code)
- {
- (*no_read)++;
- return code;
- }
- if (t->dir[ch].to)
- {
- code = t->dir[ch].to;
- *no_read = 1;
- return code;
- }
- }
- else
- {
- struct yaz_iconv_trie_flat *flat = t->flat;
- while (flat->from)
- {
- size_t len = strlen(flat->from);
- if (len <= inbytesleft)
- {
- if (memcmp(flat->from, inp, len) == 0)
- {
- *no_read = len;
- return flat->to;
- }
- }
- flat++;
- }
- }
- return 0;
- }
-
+
+ puts $f "struct yaz_iconv_trie *$trie(prefix)ptrs \[\] = {"
+ for {set this 0} {$this < $trie(no)} {incr this} {
+ puts $f " &$trie(prefix)page$this,"
}
+ puts $f "0, };"
+ puts $f ""
+
puts $f "unsigned long yaz_$trie(prefix)_conv
- (unsigned char *inp, size_t inbytesleft, size_t *no_read)
+ (unsigned char *inp, size_t inbytesleft, size_t *no_read, int *combining, unsigned mask, unsigned int boffset)
{
unsigned long code;
- code = lookup(&$trie(prefix)page0, inp, inbytesleft, no_read);
+ code = lookup($trie(prefix)ptrs, 1, inp, inbytesleft, no_read, combining, mask, boffset);
if (!code)
{
*no_read = 1;
- code = *inp;
}
return code;
}
"
- close $f
}
-proc readfile {fname} {
+proc readfile {fname ofilehandle prefix omits reverse} {
+ global trie
+
+ set marc_lines 0
+ set ucs_lines 0
+ set utf_lines 0
+ set altutf_lines 0
+ set codename_lines 0
set lineno 0
set f [open $fname r]
+ set tablenumber x
+ set combining 0
+ set codename {}
+ set altutf {}
while {1} {
incr lineno
set cnt [gets $f line]
if {$cnt < 0} {
break
}
- set hex {}
- set uni {}
- regexp {<character hex="([^\"]*)".*<unientity>([0-9A-Z]*)</unientity>} $line s hex uni
- # puts "$lineno hex=$hex uni=$uni $line"
- if {[string length $uni]} {
- ins_trie $hex $uni
- }
+ if {[regexp {</characterSet>} $line s]} {
+ dump_trie $ofilehandle
+ } elseif {[regexp {<characterSet .*ISOcode="([0-9A-Fa-f]+)"} $line s tablenumber]} {
+ reset_trie
+ set trie(prefix) "${prefix}_$tablenumber"
+ set combining 0
+ } elseif {[regexp {</code>} $line s]} {
+ if {[string length $ucs]} {
+ if {$reverse} {
+ for {set i 0} {$i < [string length $utf]} {incr i 2} {
+ lappend hex [string range $utf $i [expr $i+1]]
+ }
+ # puts "ins_trie $hex $marc
+ ins_trie $hex $marc $combining $codename
+ unset hex
+
+ } else {
+ for {set i 0} {$i < [string length $marc]} {incr i 2} {
+ lappend hex [string range $marc $i [expr $i+1]]
+ }
+ # puts "ins_trie $hex $ucs"
+ ins_trie $hex $ucs $combining $codename
+ unset hex
+ }
+ }
+ if {$reverse && [string length $marc]} {
+ for {set i 0} {$i < [string length $altutf]} {incr i 2} {
+ lappend hex [string range $altutf $i [expr $i+1]]
+ }
+ if {[info exists hex]} {
+ ins_trie $hex $marc $combining $codename
+ unset hex
+ }
+ }
+ set marc {}
+ set uni {}
+ set codename {}
+ set combining 0
+ set altutf {}
+ } elseif {[regexp {<marc>([0-9A-Fa-f]*)</marc>} $line s marc]} {
+ incr marc_lines
+ } elseif {[regexp {<name>(.*)</name>} $line s codename]} {
+ incr codename_lines
+ } elseif {[regexp {<name>(.*)} $line s codename]} {
+ incr codename_lines
+ incr lineno
+ set cnt [gets $f line]
+ if {$cnt < 0} {
+ break
+ }
+ if {[regexp {(.*)</name>} $line s codename_ex]} {
+ set codename "${codename} ${codename_ex}"
+ }
+ } elseif {[regexp {<isCombining>true</isCombining>} $line s]} {
+ set combining 1
+ } elseif {[regexp {<ucs>([0-9A-Fa-f]*)</ucs>} $line s ucs]} {
+ incr ucs_lines
+ } elseif {[regexp {<utf-8>([0-9A-Fa-f]*)</utf-8>} $line s utf]} {
+ incr utf_lines
+ } elseif {[regexp {<altutf-8>([0-9A-Fa-f]*)</altutf-8>} $line s altutf]} {
+ incr altutf_lines
+ }
}
close $f
}
set verbose 0
set ifile {}
set ofile out.c
-set trie(split) 40
-set trie(prefix) {}
+set prefix {c}
+set reverse_map 0
# Parse command line
set l [llength $argv]
set i 0
+set omits {}
while {$i < $l} {
set arg [lindex $argv $i]
switch -glob -- $arg {
if {[string length $arg]} {
set arg [lindex $argv [incr i]]
}
- set trie(prefix) $arg
+ set prefix $arg
}
-o {
if {[string length $arg]} {
set arg [lindex $argv [incr i]]
}
set ofile $arg
- }
+ }
+ -O {
+ if {[string length $arg]} {
+ set arg [lindex $argv [incr i]]
+ }
+ lappend omits $arg
+ }
+ -r {
+ set reverse_map 1
+ }
default {
lappend ifiles $arg
}
puts "charconv.tcl: missing input file(s)"
usage
}
+
+set ofilehandle [open ${ofile}.tmp w]
+preamble_trie $ofilehandle $ifiles $ofile
+
foreach ifile $ifiles {
- readfile $ifile
+ readfile $ifile $ofilehandle $prefix $omits $reverse_map
}
+close $ofilehandle
+
+file rename -force ${ofile}.tmp ${ofile}
+
-dump_trie $ofile
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