X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcharconv.tcl;h=5500f595f8ff5faef6f4c4c2bdb0866ce7129cc4;hb=f03f934986cd3ff1fbb98f8b1432d70c46f6809e;hp=b43f12b67f3a810ae8894a16db553b24199ebc49;hpb=abd3118d2280ffe01b4ff3a7b36428b7b5c91827;p=yaz-moved-to-github.git
diff --git a/src/charconv.tcl b/src/charconv.tcl
old mode 100755
new mode 100644
index b43f12b..5500f59
--- a/src/charconv.tcl
+++ b/src/charconv.tcl
@@ -1,8 +1,4 @@
-#!/bin/sh
-# the next line restats using tclsh \
-exec tclsh "$0" "$@"
-#
-# $Id: charconv.tcl,v 1.13 2006-04-20 20:50:51 adam Exp $
+#!/usr/bin/tclsh
proc usage {} {
puts {charconv.tcl: [-p prefix] [-s split] [-o ofile] file ... }
@@ -39,21 +35,24 @@ proc preamble_trie {ofilehandle ifiles ofile} {
"
puts $f {
static unsigned long lookup(struct yaz_iconv_trie **ptrs, int ptr, unsigned char *inp,
- size_t inbytesleft, size_t *no_read, int *combining)
+ size_t inbytesleft, size_t *no_read, int *combining, unsigned mask, unsigned int boffset)
{
- struct yaz_iconv_trie *t = (ptr > 0) ? ptrs[ptr-1] : 0;
- if (!t || inbytesleft < 1)
+ struct yaz_iconv_trie *t = ptrs[ptr-1];
+ if (inbytesleft < 1)
return 0;
if (t->dir)
{
- size_t ch = inp[0] & 0xff;
- unsigned long code =
- lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read, combining);
- if (code)
+ size_t ch = (inp[0] & mask) + boffset;
+ unsigned long code;
+ if (t->dir[ch].ptr)
{
- (*no_read)++;
- return code;
- }
+ code = lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read, combining, mask, boffset);
+ if (code)
+ {
+ (*no_read)++;
+ return code;
+ }
+ }
if (t->dir[ch].to)
{
code = t->dir[ch].to;
@@ -70,7 +69,13 @@ proc preamble_trie {ofilehandle ifiles ofile} {
size_t len = strlen(flat->from);
if (len <= inbytesleft)
{
- if (memcmp(flat->from, inp, len) == 0)
+ size_t i;
+ for (i = 0; i < len; i++)
+ {
+ if (((unsigned char *) flat->from)[i] != (inp[i] & mask) + boffset)
+ break;
+ }
+ if (i == len)
{
*no_read = len;
*combining = flat->combining;
@@ -147,7 +152,18 @@ proc ins_trie_r {from to combining codename this} {
set trie($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)} {
@@ -165,9 +181,11 @@ proc ins_trie_r {from to combining codename this} {
}
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
+ }
}
}
}
@@ -193,7 +211,7 @@ proc dump_trie {ofilehandle} {
set v [lindex $m 3]
puts $f "\}, /* $v */"
}
- puts $f " \{\"\", 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"
@@ -246,11 +264,11 @@ proc dump_trie {ofilehandle} {
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, unsigned int boffset)
{
unsigned long code;
- code = lookup($trie(prefix)ptrs, 1, inp, inbytesleft, no_read, combining);
+ code = lookup($trie(prefix)ptrs, 1, inp, inbytesleft, no_read, combining, mask, boffset);
if (!code)
{
*no_read = 1;
@@ -266,34 +284,26 @@ proc readfile {fname ofilehandle prefix omits reverse} {
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 {} $line s]} {
- reset_trie
- set trie(prefix) "${prefix}"
- } elseif {[regexp {} $line s]} {
+ if {[regexp {} $line s]} {
dump_trie $ofilehandle
- } elseif {[regexp {([0-9A-Fa-f]*)} $line s hex ucs]} {
- ins_trie $hex $ucs $combining {}
- unset hex
- } elseif {[regexp {} $line s]} {
- if {[lsearch $omits $tablenumber] == -1} {
- dump_trie $ofilehandle
- }
} elseif {[regexp {} $line s]} {
if {[string length $ucs]} {
if {$reverse} {
@@ -303,6 +313,7 @@ proc readfile {fname ofilehandle prefix omits reverse} {
# 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 $i+1]]
@@ -312,10 +323,20 @@ proc readfile {fname ofilehandle prefix omits reverse} {
unset hex
}
}
+ if {$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 {([0-9A-Fa-f]*)} $line s marc]} {
incr marc_lines
} elseif {[regexp {(.*)} $line s codename]} {
@@ -336,6 +357,8 @@ proc readfile {fname ofilehandle prefix omits reverse} {
incr ucs_lines
} elseif {[regexp {([0-9A-Fa-f]*)} $line s utf]} {
incr utf_lines
+ } elseif {[regexp {([0-9A-Fa-f]*)} $line s altutf]} {
+ incr altutf_lines
}
}
close $f
@@ -394,7 +417,7 @@ if {![info exists ifiles]} {
usage
}
-set ofilehandle [open $ofile w]
+set ofilehandle [open ${ofile}.tmp w]
preamble_trie $ofilehandle $ifiles $ofile
foreach ifile $ifiles {
@@ -402,4 +425,6 @@ foreach ifile $ifiles {
}
close $ofilehandle
+file rename -force ${ofile}.tmp ${ofile}
+