# the next line restats using tclsh \
exec tclsh "$0" "$@"
#
-# $Id: charconv.tcl,v 1.3 2004-03-16 13:12:42 adam Exp $
+# $Id: charconv.tcl,v 1.7 2004-08-07 08:06:57 adam Exp $
proc usage {} {
puts {charconv.tcl: [-p prefix] [-s split] [-o ofile] file ... }
puts $f "\#include <string.h>"
puts $f "
struct yaz_iconv_trie_flat {
- char *from;
+ char from\[6\];
+ unsigned combining : 1;
$totype to;
};
struct yaz_iconv_trie_dir {
- struct yaz_iconv_trie *ptr;
+ short ptr : 15;
+ unsigned combining : 1;
$totype to;
};
};
"
puts $f {
- static unsigned long lookup(struct yaz_iconv_trie *t, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
+ static unsigned long lookup(struct yaz_iconv_trie **ptrs, int ptr, unsigned char *inp,
+ size_t inbytesleft, size_t *no_read, int *combining)
{
+ struct yaz_iconv_trie *t = (ptr >= 0) ? ptrs[ptr] : 0;
if (!t || inbytesleft < 1)
- return 0;
+ 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);
+ lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read, combining);
if (code)
{
(*no_read)++;
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->from)
+ while (flat->to)
{
size_t len = strlen(flat->from);
if (len <= inbytesleft)
if (memcmp(flat->from, inp, len) == 0)
{
*no_read = len;
+ *combining = flat->combining;
return flat->to;
}
}
}
return 0;
}
-
}
}
set trie(no) 1
set trie(size) 0
set trie(max) 0
- set trie(split) 40
+ set trie(split) 50
set trie(prefix) {}
}
-proc ins_trie {from to} {
+proc ins_trie {from to combining} {
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 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 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 $trie($this,ptr,$ch)
} else {
set trie($this,to,$ch) $to
+ set trie($this,combining,$ch) $combining
}
}
set trie($this,content) missing
}
-proc ins_trie_r {from to this} {
+proc ins_trie_r {from to combining 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 $to]
+ lappend trie($this,content) [list $from $to $combining]
# 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 $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 $trie($this,ptr,$ch)
} else {
set trie($this,to,$ch) $to
+ set trie($this,combining,$ch) $combining
}
}
}
foreach d [lindex $m 0] {
puts -nonewline $f "\\x$d"
}
- puts -nonewline $f "\", 0x[lindex $m 1]"
+ puts -nonewline $f "\", [lindex $m 2], 0x[lindex $m 1]"
puts $f "\},"
}
- puts $f " \{0, 0\}"
+ puts $f " \{\"\", 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 $f "$trie($this,ptr,$ch), "
set null 0
} else {
+ puts -nonewline $f "-1, "
+ }
+ if {[info exist trie($this,combining,$ch)]} {
+ puts -nonewline $f "$trie($this,combining,$ch), "
+ } else {
puts -nonewline $f "0, "
}
if {[info exist trie($this,to,$ch)]} {
puts $f "\};"
}
}
+
+ 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 long code;
- code = lookup(&$trie(prefix)page0, inp, inbytesleft, no_read);
+ code = lookup($trie(prefix)ptrs, 0, inp, inbytesleft, no_read, combining);
if (!code)
{
*no_read = 1;
set lineno 0
set f [open $fname r]
set tablenumber x
+ set combining 0
while {1} {
incr lineno
set cnt [gets $f line]
if {[regexp {<entitymap>} $line s]} {
reset_trie
set trie(prefix) "${prefix}"
- puts "new table $tablenumber"
} elseif {[regexp {</entitymap>} $line s]} {
dump_trie $ofilehandle
} elseif {[regexp {<character hex="([^\"]*)".*<unientity>([0-9A-Fa-f]*)</unientity>} $line s hex ucs]} {
- ins_trie $hex $ucs
+ ins_trie $hex $ucs $combining
unset hex
} elseif {[regexp {<codeTable number="([0-9]+)"} $line s tablenumber]} {
reset_trie
set trie(prefix) "${prefix}_$tablenumber"
- puts "new table $tablenumber"
+ set combining 0
} elseif {[regexp {</codeTable>} $line s]} {
if {[lsearch $omits $tablenumber] == -1} {
dump_trie $ofilehandle
lappend hex [string range $marc $i [expr $i+1]]
}
# puts "ins_trie $hex $ucs"
- ins_trie $hex $ucs
+ ins_trie $hex $ucs $combining
unset hex
}
set marc {}
set uni {}
+ set combining 0
} elseif {[regexp {<marc>([0-9A-Fa-f]*)</marc>} $line s marc]} {
incr marc_lines
+ } elseif {[regexp {<isCombining>true</isCombining>} $line s]} {
+ set combining 1
} elseif {[regexp {<ucs>([0-9A-Fa-f]*)</ucs>} $line s ucs]} {
incr ucs_lines
}
set verbose 0
set ifile {}
set ofile out.c
-set trie(split) 40
set prefix {c}
# Parse command line
set l [llength $argv]