# the next line restats using tclsh \
exec tclsh "$0" "$@"
#
-# $Id: charconv.tcl,v 1.2 2004-03-15 23:14:40 adam Exp $
+# $Id: charconv.tcl,v 1.6 2004-03-20 07:16:25 adam Exp $
proc usage {} {
puts {charconv.tcl: [-p prefix] [-s split] [-o ofile] file ... }
exit 1
}
+proc preamble_trie {ofilehandle} {
+ set f $ofilehandle
+
+ set totype {unsigned short}
+
+ puts $f "\#include <string.h>"
+ puts $f "
+ struct yaz_iconv_trie_flat {
+ char from\[6\];
+ $totype to;
+ };
+ struct yaz_iconv_trie_dir {
+ short ptr;
+ $totype to;
+ };
+
+ struct yaz_iconv_trie {
+ struct yaz_iconv_trie_flat *flat;
+ struct yaz_iconv_trie_dir *dir;
+ };
+ "
+ puts $f {
+ static unsigned long lookup(struct yaz_iconv_trie **ptrs, int ptr, unsigned char *inp,
+ size_t inbytesleft, size_t *no_read)
+ {
+ struct yaz_iconv_trie *t = (ptr >= 0) ? ptrs[ptr] : 0;
+ if (!t || inbytesleft < 1)
+ return 0;
+ if (t->dir)
+ {
+ size_t ch = inp[0] & 0xff;
+ unsigned long code =
+ lookup(ptrs, t->dir[ch].ptr, inp+1, inbytesleft-1, no_read);
+ if (code)
+ {
+ (*no_read)++;
+ return code;
+ }
+ if (t->dir[ch].to)
+ {
+ code = t->dir[ch].to;
+ *no_read = 1;
+ return code;
+ }
+ }
+ else
+ {
+ struct yaz_iconv_trie_flat *flat = t->flat;
+ while (flat->to)
+ {
+ size_t len = strlen(flat->from);
+ if (len <= inbytesleft)
+ {
+ if (memcmp(flat->from, inp, len) == 0)
+ {
+ *no_read = len;
+ return flat->to;
+ }
+ }
+ flat++;
+ }
+ }
+ return 0;
+ }
+ }
+}
+
+proc reset_trie {} {
+ global trie
+
+ foreach x [array names trie] {
+ unset trie($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} {
global trie
if {![info exists trie(no)]} {
}
}
-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 } {
puts -nonewline $f "\", 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 "0, "
+ puts -nonewline $f "-1, "
}
if {[info exist trie($this,to,$ch)]} {
puts -nonewline $f "0x$trie($this,to,$ch)\}"
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 long code;
- code = lookup(&$trie(prefix)page0, inp, inbytesleft, no_read);
+ code = lookup($trie(prefix)ptrs, 0, inp, inbytesleft, no_read);
if (!code)
{
*no_read = 1;
return code;
}
"
- close $f
}
-proc readfile {fname} {
+proc readfile {fname ofilehandle prefix omits} {
+ global trie
+
+ set marc_lines 0
+ set ucs_lines 0
set lineno 0
set f [open $fname r]
+ set tablenumber x
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 {<entitymap>} $line s]} {
+ reset_trie
+ set trie(prefix) "${prefix}"
+ } 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
+ unset hex
+ } elseif {[regexp {<codeTable number="([0-9]+)"} $line s tablenumber]} {
+ reset_trie
+ set trie(prefix) "${prefix}_$tablenumber"
+ } 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]]
+ }
+ # puts "ins_trie $hex $ucs"
+ ins_trie $hex $ucs
+ unset hex
+ }
+ set marc {}
+ set uni {}
+ } elseif {[regexp {<marc>([0-9A-Fa-f]*)</marc>} $line s marc]} {
+ incr marc_lines
+ } elseif {[regexp {<ucs>([0-9A-Fa-f]*)</ucs>} $line s ucs]} {
+ incr ucs_lines
+ }
}
close $f
}
set verbose 0
set ifile {}
set ofile out.c
-set trie(split) 40
-set trie(prefix) {}
+set prefix {c}
# 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
+ }
default {
lappend ifiles $arg
}
puts "charconv.tcl: missing input file(s)"
usage
}
+
+set ofilehandle [open $ofile w]
+preamble_trie $ofilehandle
+
foreach ifile $ifiles {
- readfile $ifile
+ readfile $ifile $ofilehandle $prefix $omits
}
+close $ofilehandle
+
-dump_trie $ofile
projects / yaz-moved-to-github.git / blobdiff