-#!/bin/sh
-# the next line restats using tclsh \
-exec tclsh "$0" "$@"
-#
-# $Id: charconv.tcl,v 1.9 2005-11-06 01:55:06 adam Exp $
+#!/usr/bin/tclsh
proc usage {} {
puts {charconv.tcl: [-p prefix] [-s split] [-o ofile] file ... }
exit 1
}
-proc preamble_trie {ofilehandle} {
+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 "
struct yaz_iconv_trie_flat {
$totype to : 24;
};
struct yaz_iconv_trie_dir {
- short ptr : 15;
+ int ptr : 15;
unsigned combining : 1;
$totype to : 24;
};
"
puts $f {
static unsigned long lookup(struct yaz_iconv_trie **ptrs, int ptr, unsigned char *inp,
- size_t inbytesleft, size_t *no_read, int *combining)
+ size_t inbytesleft, size_t *no_read, int *combining, unsigned mask, int boffset)
{
- struct yaz_iconv_trie *t = (ptr >= 0) ? ptrs[ptr] : 0;
+ struct yaz_iconv_trie *t = (ptr > 0) ? ptrs[ptr-1] : 0;
if (!t || inbytesleft < 1)
return 0;
if (t->dir)
{
- size_t ch = inp[0] & 0xff;
+ size_t ch = (inp[0] & mask) + boffset;
unsigned long code =
- lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read, combining);
+ lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read, combining, mask, boffset);
if (code)
{
(*no_read)++;
size_t len = strlen(flat->from);
if (len <= inbytesleft)
{
- if (memcmp(flat->from, inp, len) == 0)
+ size_t i;
+ for (i = 0; i < len; i++)
+ {
+ if (((unsigned char *) flat->from)[i] != (inp[i] & mask) + boffset)
+ break;
+ }
+ if (i == len)
{
*no_read = len;
*combining = flat->combining;
set trie($this,type) f
}
if {$trie($this,type) == "f"} {
- lappend trie($this,content) [list $from $to $combining $codename]
+ set dup 0
+ if {[info exists trie($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)} {
}
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) $codename
+ if {![info exist trie($this,to,$ch)]} {
+ set trie($this,to,$ch) $to
+ set trie($this,combining,$ch) $combining
+ set trie($this,codename,$ch) $codename
+ }
}
}
}
set ch [format %02X $i]
set null 1
if {[info exist trie($this,ptr,$ch)]} {
- puts -nonewline $f "$trie($this,ptr,$ch), "
+ puts -nonewline $f "[expr $trie($this,ptr,$ch)+1], "
set null 0
} else {
- puts -nonewline $f "-1, "
+ puts -nonewline $f "0, "
}
if {[info exist trie($this,combining,$ch)]} {
puts -nonewline $f "$trie($this,combining,$ch), "
puts $f ""
puts $f "unsigned long yaz_$trie(prefix)_conv
- (unsigned char *inp, size_t inbytesleft, size_t *no_read, int *combining)
+ (unsigned char *inp, size_t inbytesleft, size_t *no_read, int *combining, unsigned mask, int boffset)
{
unsigned long code;
- code = lookup($trie(prefix)ptrs, 0, inp, inbytesleft, no_read, combining);
+ code = lookup($trie(prefix)ptrs, 1, inp, inbytesleft, no_read, combining, mask, boffset);
if (!code)
{
*no_read = 1;
"
}
-proc readfile {fname ofilehandle prefix omits} {
+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
}
- if {[regexp {<entitymap>} $line s]} {
- reset_trie
- set trie(prefix) "${prefix}"
- } elseif {[regexp {</entitymap>} $line s]} {
+ if {[regexp {</characterSet>} $line s]} {
dump_trie $ofilehandle
- } elseif {[regexp {<character hex="([^\"]*)".*<unientity>([0-9A-Fa-f]*)</unientity>} $line s hex ucs]} {
- ins_trie $hex $ucs $combining {}
- unset hex
- } elseif {[regexp {<codeTable .*number="([0-9]+)"} $line s tablenumber]} {
+ } elseif {[regexp {<characterSet .*ISOcode="([0-9A-Fa-f]+)"} $line s tablenumber]} {
reset_trie
set trie(prefix) "${prefix}_$tablenumber"
set combining 0
- } elseif {[regexp {</codeTable>} $line s]} {
- if {[lsearch $omits $tablenumber] == -1} {
- dump_trie $ofilehandle
- }
} elseif {[regexp {</code>} $line s]} {
if {[string length $ucs]} {
- for {set i 0} {$i < [string length $marc]} {incr i 2} {
- lappend hex [string range $marc $i [expr $i+1]]
+ if {$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
}
- # puts "ins_trie $hex $ucs"
- ins_trie $hex $ucs $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]} {
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 ifile {}
set ofile out.c
set prefix {c}
+set reverse_map 0
# Parse command line
set l [llength $argv]
set i 0
}
lappend omits $arg
}
+ -r {
+ set reverse_map 1
+ }
default {
lappend ifiles $arg
}
}
set ofilehandle [open $ofile w]
-preamble_trie $ofilehandle
+preamble_trie $ofilehandle $ifiles $ofile
foreach ifile $ifiles {
- readfile $ifile $ofilehandle $prefix $omits
+ readfile $ifile $ofilehandle $prefix $omits $reverse_map
}
close $ofilehandle