diff options
Diffstat (limited to 'Build/source/texk/web2c/ptexdir/ppltotf.ch')
-rw-r--r-- | Build/source/texk/web2c/ptexdir/ppltotf.ch | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/Build/source/texk/web2c/ptexdir/ppltotf.ch b/Build/source/texk/web2c/ptexdir/ppltotf.ch deleted file mode 100644 index b7db0e67048..00000000000 --- a/Build/source/texk/web2c/ptexdir/ppltotf.ch +++ /dev/null @@ -1,710 +0,0 @@ -% This is a change file for PLtoTF -% -% (2018-01-27) HY pPLtoTF p2.0 - new JFM spec by texjporg -% (07/18/2006) ST PLtoTF p1.8 (3.5, Web2c 7.2) -% (11/13/2000) KN PLtoTF p1.4 (3.5, Web2c 7.2) -% (03/27/1998) KN PLtoTF p1.3 (3.5, Web2c 7.2) -% -@x [0] l.52 - pTeX: -\def\title{PL$\,$\lowercase{to}$\,$TF changes for C} -@y -\def\title{PL$\,$\lowercase{to}$\,$TF changes for C, and for KANJI} -@z - -@x [2] l.69 - pTeX: -@d my_name=='pltotf' -@d banner=='This is PLtoTF, Version 3.6' {printed when the program starts} -@y -@d my_name=='ppltotf' -@d banner=='This is pPLtoTF, Version 3.6-p2.0' - {printed when the program starts} -@z - -@x - parse_arguments; -@y - init_kanji; - parse_arguments; -@z - -@x [6] l.140 - pTeX: - print_ln (version_string); -@y - print_ln (version_string); - print_ln ('process kanji code is ', conststringcast(get_enc_string), '.'); -@z - -@x [18] l.495 - pTeX: -@!xord:array[char] of ASCII_code; {conversion table} -@y -@!xord:array[char] of ASCII_code; {conversion table} -@!xchr:array[char] of byte; {specifiles conversion of output character} -@z - -@x [19] l.506 - pTeX: -for k:=first_ord to last_ord do xord[chr(k)]:=invalid_code; -@y -for k:=0 to @'37 do xchr[k]:='?'; -for k:=@'40 to 255 do xchr[k]:=k; -for k:=first_ord to last_ord do xord[chr(k)]:=invalid_code; -@z - -@x [28] l.619 - pTeX: -else begin while (limit<buf_size-2)and(not eoln(pl_file)) do - begin incr(limit); read(pl_file,buffer[limit]); - end; -@y -else begin limit:=input_line2(pl_file,ustringcast(buffer),limit+1,buf_size-1)-1; -@z - -@x [36] l.754 - pTeX: May have to increase some numbers to fit new commands -@d max_name_index=88 {upper bound on the number of keywords} -@d max_letters=600 {upper bound on the total length of all keywords} -@y -@d max_name_index=97 {upper bound on the number of keywords} -@d max_letters=700 {upper bound on the total length of all keywords} -@z - -@x [44] l.839 - pTeX: Add kanji related codes -@d character_code=12 -@y -@d character_code=12 -@d type_code=13 {|TYPE| property} -@d glue_kern_code=14 {|GLUEKERN| property} -@d chars_in_type_code=15 {|CHARSINTYPE| property} -@d dir_code=16 {|DIRECTION| property} -@z - -@x [44] l.856 - pTeX: -@d lig_code=74 -@y -@d lig_code=74 -@d glue_code=75 {|GLUE| property} -@# -@d undefined=0 {not decided file format yet} -@d tfm_format=1 {\.{TFM} file format} -@d jfm_or_vfm=2 {Yoko or Tate \.{JFM} file format} -@d jfm_format=3 {Yoko-kumi \.{JFM} file format} -@d vfm_format=4 {Tate-kumi \.{JFM} file format} -@z - -@x [84] l.1542 - pTeX: Change valid property code. -if cur_code=comment_code then skip_to_end_of_item -else if cur_code>character_code then - flush_error('This property name doesn''t belong on the outer level') -@.This property name doesn't belong...@> -@y -if cur_code=comment_code then skip_to_end_of_item -else if (cur_code>dir_code)or - ((file_format=tfm_format)and(cur_code>character_code)) then - flush_error('This property name doesn''t belong on the outer level') -@.This property name doesn't belong...@> -@z - -@x [85] l.1565 - pTeX: Added some property codes. -character_code: read_char_info; -@y -character_code: read_char_info; -type_code: read_kanji_info; -glue_kern_code: read_glue_kern; -chars_in_type_code: read_chars_in_type; -dir_code: read_direction; -@z - -@x [110] l.1915 - pTeX: there are no charlists in kanji format files. -for c:=0 to 255 do - @<Make sure that |c| is not the largest element of a charlist cycle@>; -@y -if file_format=tfm_format then - for c:=0 to 255 do - @<Make sure that |c| is not the largest element of a charlist cycle@>; -@z - -@x [120] l.2037 - pTeX: when checking glue_kern prog check glues as well - begin if lig_exam<>bchar then - check_existence(lig_exam)('LIG character examined by'); -@.LIG character examined...@> - check_existence(lig_gen)('LIG character generated by'); -@.LIG character generated...@> - if lig_gen>=128 then if(c<128)or(c=256) then - if(lig_exam<128)or(lig_exam=bchar) then seven_unsafe:=true; - end -@y - begin if file_format=tfm_format then - begin if lig_exam<>bchar then - check_existence(lig_exam)('LIG character examined by'); -@.LIG character examined...@> - check_existence(lig_gen)('LIG character generated by'); -@.LIG character generated...@> - if lig_gen>=128 then if(c<128)or(c=256) then - if(lig_exam<128)or(lig_exam=bchar) then seven_unsafe:=true; - end - else check_existence(lig_exam)('GLUE character generated by'); - end -@z - -@x [126] l.2178 - pTeX: Fix up output of bytes. -@<Doublecheck...@>= -if nl>0 then for lig_ptr:=0 to nl-1 do - if lig_kern[lig_ptr].b2<kern_flag then - begin if lig_kern[lig_ptr].b0<255 then - begin double_check_lig(b1)('LIG step'); double_check_lig(b3)('LIG step'); - end; - end - else double_check_lig(b1)('KRN step'); -@y -@<Doublecheck...@>= -@z - -@x [128] l.2207 - pTeX: Decide the |file_format|. -@<Do the output@>= -@y -@<Do the output@>= -case file_format of -tfm_format: do_nothing; -undefined,jfm_or_vfm: begin file_format:=jfm_format; - print_ln('Input file is in kanji YOKO-kumi format.'); - end; -jfm_format: print_ln('Input file is in kanji YOKO-kumi format.'); -vfm_format: print_ln('Input file is in kanji TATE-kumi format.'); -end; -@z - -@x [128] l.2211 - pTeX: Output kanji character -@<Output the character info@>; -@y -if file_format<>tfm_format then @<Output the kanji character type info@>; -@<Output the character info@>; -@z - -@x [128] l.2213 - pTeX: Output glue/kern programs -@<Output the ligature/kern program@>; -@y -@<Output the ligature/kern program@>; -if (file_format<>tfm_format)and(ng>0) then - for krn_ptr:=0 to ng-1 do - begin out_scaled(glue[3*krn_ptr+0]); - out_scaled(glue[3*krn_ptr+1]); - out_scaled(glue[3*krn_ptr+2]); - end; -@z - -@x [130] l.2238 - pTeX: -not_found:=true; bc:=0; -while not_found do - if (char_wd[bc]>0)or(bc=255) then not_found:=false - else incr(bc); -not_found:=true; ec:=255; -while not_found do - if (char_wd[ec]>0)or(ec=0) then not_found:=false - else decr(ec); -if bc>ec then bc:=1; -@y -if file_format<>tfm_format then - begin bc:=0; ec:=0; nt:=1; - for kanji_type_index:=0 to max_kanji do - begin if kanji_type[kanji_type_index]>0 then incr(nt); - if kanji_type[kanji_type_index]>ec then ec:=kanji_type[kanji_type_index]; - end; - end -else begin not_found:=true; bc:=0; - while not_found do - if (char_wd[bc]>0)or(bc=255) then not_found:=false - else incr(bc); - not_found:=true; ec:=255; - while not_found do - if (char_wd[ec]>0)or(ec=0) then not_found:=false - else decr(ec); - if bc>ec then bc:=1; - end; -@z - -@x [130] l.2250 - pTeX: -lf:=6+lh+(ec-bc+1)+memory[width]+memory[height]+memory[depth]+ -memory[italic]+nl+lk_offset+nk+ne+np; -@y -if file_format<>tfm_format then - lf:=7+nt+lh+(ec-bc+1)+memory[width]+memory[height]+memory[depth]+ - memory[italic]+nl+lk_offset+nk+3*ng+np -else - lf:=6+lh+(ec-bc+1)+memory[width]+memory[height]+memory[depth]+ - memory[italic]+nl+lk_offset+nk+ne+np; -@z - -@x [131] pTeX: -@ @d out_size(#)==out((#) div 256); out((#) mod 256) -@y -@ @d out_size(#)==out((#) div 256); out((#) mod 256) -@d out_kanji_code(#)==out_size((#) mod 65536); out((#) div 65536) -@z - -@x [131] l.2256 - pTeX: -out_size(lf); out_size(lh); out_size(bc); out_size(ec); -out_size(memory[width]); out_size(memory[height]); -out_size(memory[depth]); out_size(memory[italic]); -out_size(nl+lk_offset); out_size(nk); out_size(ne); out_size(np); -@y -if file_format=jfm_format then - begin out_size(yoko_id_number); out_size(nt); - end -else if file_format=vfm_format then - begin out_size(tate_id_number); out_size(nt); - end; -out_size(lf); out_size(lh); out_size(bc); out_size(ec); -out_size(memory[width]); out_size(memory[height]); -out_size(memory[depth]); out_size(memory[italic]); -out_size(nl+lk_offset); out_size(nk); -if file_format<>tfm_format then begin out_size(ng*3) - end -else begin out_size(ne); - end; -out_size(np); -@z - -@x [146] l.2476 - pTeX: -@p procedure param_enter; -@y -@p -@<Declare kanji scanning routines@>@/ -procedure param_enter; -@z - -@x [146] l.2488 - pTeX: LIGTABLE command can not be used in JPL. -begin @<Read ligature/kern list@>; -end; -@y -begin @<If is jfm or vfm then print error@>; -@<Read ligature/kern list@>; -end; -@z - -@x [146] l.2493 - pTeX: CHARACTER command can not be used in JPL. -begin @<Read character info list@>; -end; -@y -begin @<If is jfm or vfm then print error@>; -@<Read character info list@>; -end; -@z - -@x [146] l.2506 - pTeX: -begin @<Correct and check the information@> -end; -@y -begin @<Correct and check the information@> -end; -@# -procedure read_kanji_info; {TYPE command} -var @!c:byte; {the char} -begin @<If is tfm then print error@>; -@<Read Kanji character type list@>; -end; -@# -procedure read_glue_kern; {GLUEKERN command} -var krn_ptr:0..max_kerns; {an index into |kern|} -@!c:byte; {runs through all character codes} -begin @<If is tfm then print error@>; -@<Read glue/kern list@>; -end; -@# -procedure read_chars_in_type; {CHARSINTYPE command} -var @!type_num:byte; {kanji character type number} -@!jis_code:integer; {sixteen bits Kanji character code} -begin @<If is tfm then print error@>; -@<Read Kanji characters list in this type@>; -end; -@# -procedure read_direction; {DIRECTION command} -begin @<If is tfm then print error@>; -@<Read direction@>; -end; -@z - -@x -const n_options = 3; {Pascal won't count array lengths for us.} -@y -const n_options = 5; {Pascal won't count array lengths for us.} -@z - -@x - usage_help (PLTOTF_HELP, nil); -@y - usage_help (PPLTOTF_HELP, 'issue@@texjp.org'); -@z - -@x - end; {Else it was a flag; |getopt| has already done the assignment.} -@y - end else if argument_is ('kanji') then begin - if (not set_enc_string(optarg,optarg)) then - print_ln('Bad kanji encoding "', stringcast(optarg), '".'); - - end; {Else it was a flag; |getopt| has already done the assignment.} -@z - -@x -@ An element with all zeros always ends the list. -@y -@ Kanji option. -@.-kanji@> - -@<Define the option...@> = -long_options[current_option].name := 'kanji'; -long_options[current_option].has_arg := 1; -long_options[current_option].flag := 0; -long_options[current_option].val := 0; -incr(current_option); - -@ An element with all zeros always ends the list. -@z - -@x [148] l.2620 - pTeX: -@* Index. -@y -@* For Japanese Font Metric routines. -We need to include some routines for handling kanji characters. - -@<Constants...@>= -max_kanji=7237; { maximum number of 2byte characters } -max_kanji_code=@"7E7E; { maximum jis code } -yoko_id_number=11; { is identifier for YOKO-kumi font} -tate_id_number=9; { is identifier for TATE-kumi font} - -@ @<Glob...@>= -file_format:undefined..vfm_format; {the format of the input file} -kanji_type:array[0..max_kanji] of -1..256; {the type of every kanji char } -kanji_type_index:0..max_kanji; { index into above } -nt:integer; {number of entries in character type table} -glue:array[0..768] of fix_word; {the distinct glue amounts} -ng:integer; {number of 3-word entries in glue table} - -@ @<Set init...@>= -file_format:=undefined; -for kanji_type_index:=0 to max_kanji do kanji_type[kanji_type_index]:=-1; -ng:=0; - -@ @<If is jfm or vfm then print error@>= -if file_format>tfm_format then - err_print('This is an illegal command for kanji format files.') -else if file_format=undefined then file_format:=tfm_format - -@ @<If is tfm then print error@>= -if file_format=tfm_format then - err_print('You can use this command only for kanji format files.') -else if file_format=undefined then file_format:=jfm_or_vfm - -@ These are extended propaties for \.{JFM}. - -@<Enter all of the names and ...@>= -load4("T")("Y")("P")("E")(type_code);@/ -load8("G")("L")("U")("E")("K")("E")("R")("N")(glue_kern_code);@/ -load11("C")("H")("A")("R")("S")("I")("N")("T")("Y")("P")("E") - (chars_in_type_code);@/ -load9("D")("I")("R")("E")("C")("T")("I")("O")("N")(dir_code);@/ -load4("G")("L")("U")("E")(glue_code);@/ - -@ @<Enter the parameter names@>= -load10("E")("X")("T")("R")("A")("S")("P")("A")("C")("E")(parameter_code+7);@/ -load12("E")("X")("T")("R")("A")("S")("T")("R")("E")("T")("C")("H") - (parameter_code+8);@/ -load11("E")("X")("T")("R")("A")("S")("H")("R")("I")("N")("K") - (parameter_code+9);@/ - - -@ Here, we declare kanji related routines and package gluekern stuff. -There routines a bit similar reading ligature/kern programs. - -@<Read glue/kern list@>= -begin while level=1 do - begin while cur_char=" " do get_next; - if cur_char="(" then @<Read a glue/kern command@> - else if cur_char=")" then skip_to_end_of_item - else junk_error; - end; -finish_inner_property_list; -end; - -@ @<Read a glue/kern command@>= -begin get_name; -if cur_code=comment_code then skip_to_end_of_item -else begin case cur_code of - label_code:@<Read a glue label step@>; - stop_code:@<Read a stop step@>; - skip_code:@<Read a skip step@>; - krn_code:@<Read a (glue) kerning step@>; - glue_code:@<Read a glue step@>; - others: - flush_error('This property name doesn''t belong in a GLUEKERN list'); -@.This property name doesn't belong...@> - end; - finish_the_property; - end; -end - -@ When a character is about to be tagged, we use the following -so that an error message is given in case of multiple tags. - -@<Read a glue label step@>= -begin c:=get_byte; -case char_tag[c] of - no_tag: do_nothing; - lig_tag: err_print('This character already appeared in a GLUEKERN LABEL'); - @.This character already...@> - list_tag: err_print('Impossible: a list tag in a kanji format file?'); - ext_tag: err_print('Impossible: an extensible tag in a kanji format file?'); -end; -if nl>max_lig_steps then - err_print('GLUEKERN with more than ',max_lig_steps,' commands cannot have further labels') -@.GLUEKERN with more than...@> -else begin char_tag[c]:=lig_tag; char_remainder[c]:=nl; - lk_step_ended:=false; - end; -end - -@ @<Read a (glue) kerning step@>= -begin lig_kern[nl].b0:=0; lig_kern[nl].b1:=get_byte;@/ -lig_kern[nl].b2:=kern_flag; kern[nk]:=get_fix; krn_ptr:=0; -while kern[krn_ptr]<>kern[nk] do incr(krn_ptr); -if krn_ptr=nk then - begin if nk<max_kerns then incr(nk) - else begin err_print('At most ',max_kerns,' different kerns are allowed'); -@.At most 5000 different kerns...@> - krn_ptr:=max_kerns-1; - end; - end; -lig_kern[nl].b3:=krn_ptr; -if nl=max_lig_steps then - err_print('GLUEKERN table should never exceed ',max_lig_steps,' LIG/KRN commands') -@.GLUEKERN table should never...@> -else incr(nl); -lk_step_ended:=true; -end - -@ @<Read a glue step@>= -begin lig_kern[nl].b0:=0; lig_kern[nl].b1:=get_byte; lig_kern[nl].b2:=0;@/ -glue[3*ng+0]:=get_fix; glue[3*ng+1]:=get_fix; glue[3*ng+2]:=get_fix; -krn_ptr:=0; -while (glue[3*krn_ptr+0]<>glue[3*ng+0])or - (glue[3*krn_ptr+1]<>glue[3*ng+1])or - (glue[3*krn_ptr+2]<>glue[3*ng+2]) do incr(krn_ptr); -if krn_ptr=ng then - begin if ng<256 then incr(ng) - else begin err_print('At most 256 different glues are allowed'); - krn_ptr:=255; - end; - end; -lig_kern[nl].b3:=krn_ptr; -if nl=max_lig_steps then - err_print('GLUEKERN table should never exceed ',max_lig_steps,' GLUE/KRN commands') -@.GLUEKERN table should never...@> -else incr(nl); -lk_step_ended:=true; -end - -@ The |TYPE| command like |CHARACTER| command, but |TYPE| only use -|CHARWD|, |CHARHT|, |CHARDP| and |CHARIT| - -@<Read Kanji character type list@>= -begin c:=get_byte; {read the character type that is begin specified} -if verbose then @<Print |c| in octal notation@>; -while level=1 do - begin while cur_char=" " do get_next; - if cur_char="(" then @<Read a kanji property@> - else if cur_char=")" then skip_to_end_of_item - else junk_error; - end; -if char_wd[c]=0 then char_wd[c]:=sort_in(width,0); {legitimatize c} -finish_inner_property_list; -end; - -@ @<Read a kanji property@>= -begin get_name; -if cur_code=comment_code then skip_to_end_of_item -else if (cur_code<char_wd_code)or(cur_code>char_ic_code) then - flush_error('This property name doesn''t belong in a TYPE list') -else begin case cur_code of - char_wd_code: char_wd[c]:=sort_in(width,get_fix); - char_ht_code: char_ht[c]:=sort_in(height,get_fix); - char_dp_code: char_dp[c]:=sort_in(depth,get_fix); - char_ic_code: char_ic[c]:=sort_in(italic,get_fix); - end;@/ - finish_the_property; - end; -end - -@ Next codes used to get KANJI codes from \.{JPL} file. - -@<Read Kanji characters list in this type@>= -begin type_num:=get_byte; -if type_num=0 then - skip_error('You cannot list the chars in type 0. It is the default type') -else begin repeat jis_code:=get_kanji; - if jis_code<0 then - err_print('Illegal characters. I was expecting a jis code or character') - else if jis_code=0 then { 0 signals |end_of_list| } - do_nothing - else if kanji_type[jis_to_index(jis_code)]>=0 then - err_print('jis code ', jis_code:1, ' is already in type ', - kanji_type[jis_to_index(jis_code)]) - else - kanji_type[jis_to_index(jis_code)]:=type_num; - until jis_code=0; - skip_to_paren; - end -end - -@ Next codes read and check direction. We can not decide |file_format| of -metric file whether for yoko-kumi or tate-kumi, until have scan |DIRECTION| -property (|dir_code| command). - -@<Read direction@>= -begin while cur_char=" " do get_next; -if cur_char="T" then - begin if verbose then print_ln('This is tatekumi format'); - file_format:=vfm_format; - end -else if cur_char="Y" then - begin if verbose then print_ln('This is yokokumi format'); - file_format:=jfm_format; - end -else err_print('The dir value should be "TATE" or "YOKO"'); -skip_to_paren; -end - -@ Next codes used to write |kanji_type| to \.{JFM}. -In the original JFM spec by ASCII Corporation, |jis_code| and |char_type| -were packed into upper (2~bytes) and lower (2~bytes) halfword respectively. -However, |char_type| is allowed only 0..255, -so the upper byte of lower halfword was always 0. - -In the new JFM spec by texjporg, |jis_code| ``XXyyzz'' is packed into -first 3~bytes in the form ``yy zz XX'', and |char_type| is packed into -remaining 1~byte. The new spec is effectively upper compatible with -the original, and it allows |jis_code| larger than 0x10000 (not really -useful for me \.{pPLtoTF} but necessary for \.{upPLtoTF}). - -@<Output the kanji character type info@>= -begin out_size(0); out_size(0); { the default } -for kanji_type_index:=0 to max_kanji do - begin if kanji_type[kanji_type_index]>0 then - begin out_kanji_code(index_to_jis(kanji_type_index)); - out(kanji_type[kanji_type_index]); - if verbose then begin - print('char index = ', kanji_type_index); - print(' (jis '); - print_jis_hex(index_to_jis(kanji_type_index)); - print(') is type '); - print_octal(kanji_type[kanji_type_index]); - write_ln(''); - end; - end; - end; -end; - -@ We also need to define some routines which handling 2bytes characters. -These routine is called from only |read_chars_in_type| command. - -The kanji jis code is taken from the |char_ext| and |char_code| values -set by the user. The index into the |kanji_type| array is based on the -kuten codes, with all unused codes removed and beginning at 0, not 0101. -The |jis_to_index| is called from |chars_in_type| command. - -@<Declare kanji scanning routines@>= -function get_next_raw:byte; {get next rawdata in buffer} -begin while loc=limit do fill_buffer; -incr(loc); get_next_raw:=buffer[loc]; -if multistrlen(ustringcast(buffer),loc+2,loc)=2 then cur_char:=" " -else cur_char:=xord[buffer[loc]]; -end; -@# -function todig(@!ch:byte):byte; {convert character to number} -begin if (ch>="A")and(ch<="F") then todig:=ch-"A"+10 -else if (ch>="0")and(ch<="9") then todig:=ch-"0" -else begin skip_error('This expression is out of JIS-code encoding.'); - todig:=0; - end; -end; -@# -procedure print_jis_hex(jis_code:integer); {prints jiscode as four digits} -var dig:array[0..3] of byte; {holds jis hex codes} -i:byte; {index of array} -begin dig[0]:=Hi(jis_code) div 16; dig[1]:=Hi(jis_code) mod 16; -dig[2]:=Lo(jis_code) div 16; dig[3]:=Lo(jis_code) mod 16; -for i:=0 to 3 do - if dig[i]<10 then print(dig[i]) else - case dig[i] of - 10: print('A'); 11: print('B'); 12: print('C'); - 13: print('D'); 14: print('E'); 15: print('F'); - end; -end; -@# -function valid_jis_code(cx:integer):boolean; -var @!first_byte,@!second_byte:integer; { jis code bytes } -begin valid_jis_code:=true; -first_byte:=cx div @'400; second_byte:=cx mod @'400; -if (first_byte<@"21) - or((first_byte>@"28)and(first_byte<@"30)) - or(first_byte>@"74) then valid_jis_code:=false; -if (second_byte<@"21)or(second_byte>@"7E) then valid_jis_code:=false; -end; -@# -function jis_to_index(jis:integer):integer; -var @!first_byte,@!second_byte:integer; { jis code bytes } -begin -first_byte:=jis div @'400 -@"21; -second_byte:=jis mod @'400 -@"21; -if first_byte<8 then - jis_to_index:=first_byte*94+second_byte -else { next |first_byte| start 16 } - jis_to_index:=(first_byte-7)*94+second_byte; -end; -@# -function index_to_jis(ix:integer):integer; -begin if ix<=8*94-1 then - index_to_jis:=(ix div 94 +@"21)*@'400+(ix mod 94 +@"21) -else - index_to_jis:=((ix+7*94) div 94 +@"21)*@'400+((ix+7*94) mod 94 +@"21); -end; -@# -function get_kanji:integer; {get kanji character code} -var @!ch:byte; -@!cx,@!jis_code:integer; {sixteen bits kanji character code} -begin repeat ch:=get_next_raw; {|ch| is rawdata in buffer} -until ch<>' '; {skip the blanks before the kanji code} -if ch=')' then - begin decr(loc); jis_code:=0; - end -else if (ch='J')or(ch='j') then - begin repeat ch:=get_next_raw; - until ch<>' '; {skip the blanks after the type code} - @<Scan a Kanji hexadecimal code@>; - jis_code:=toDVI(fromJIS(cx)); cur_char:=ch; - if not valid_jis_code(jis_code) then - err_print('jis code ', jis_code:1, ' is invalid'); - end -else if multistrlen(ustringcast(buffer), loc+2, loc)=2 then - begin jis_code:=toDVI(fromBUFF(ustringcast(buffer), loc+2, loc)); - incr(loc); cur_char:=" "; - if not valid_jis_code(jis_code) then - err_print('jis code ', jis_code:1, ' is invalid'); - end -else jis_code:=-1; -get_kanji:=jis_code; -end; - -@ @<Scan a Kanji hex...@>= -begin cx:=todig(xord[ch]); - incr(loc); ch:=xord[buffer[loc]]; - while ((ch>="0")and(ch<="9"))or((ch>="A")and(ch<="F")) do - begin cx:=cx*16+todig(ch); {overflow might happen, but rare...} - incr(loc); ch:=xord[buffer[loc]]; - end; - decr(loc); ch:=xord[buffer[loc]]; - if cx>max_kanji_code then - begin skip_error('This value shouldn''t exceed jis code'); - cx:=0; ch:=" "; - end; -end - -@* Index. -@z |