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# $Id: itrans.perl,v 1.4 1999/03/13 00:22:58 RRM Exp $
# ITRANS.PERL by Ross Moore <ross@mpce.mq.edu.au> 8-4-98
# Mathematics Department, Macquarie University, Sydney, Australia.
#
# Style for LaTeX2HTML v98.1 to construct images of traditional
# Indic scripts, using:
#
# ITRANS pre-processor and fonts: by Avinash Chopde
#
#
# The ITRANS system is *not* included with this package.
# Obtain if from: http://www.aczone.com/itrans.html
#
# ===================================================================
# This package requires the corresponding LaTeX package: itrans.sty .
#
# With LaTeX2HTML the options on the \usepackage line specify which
# preprocessor and transcription output mode to use.
#
# Usage:
#
# \usepackage{itrans} %| for text already pre-processed
#
# options affecting Input-forms
#
# \usepackage[itrans]{itrans} %| itrans 7-bit transliteration
# \usepackage[preprocess]{itrans}%| same as [itrans]
# \usepackage[7bit]{itrans} %| same as [itrans]
# \usepackage[csx]{itrans} %| 8-bit Sanskrit extension of ISO 646
# \usepackage[8bit]{itrans} %| same as [csx]
#
# options affecting Output-forms
#
# \usepackage[html7]{itrans} %| use <FONT> tags with 7-bit entities
# \usepackage[html8]{itrans} %| use <FONT> tags with 8-bit codes
# \usepackage[postscript]{itrans}%| --- not implemented
#
# options specifying languages:
#
# \usepackage[ind]{itrans} %| Indian
#
# \usepackage[ben]{itrans} %| Bengali
# \usepackage[dev]{itrans} %| Devanagari
# \usepackage[guj]{itrans} %| Gujarati
# \usepackage[gur]{itrans} %| Gurmukhi
# \usepackage[hin]{itrans} %| Hindi
# \usepackage[kan]{itrans} %| Kannada
# \usepackage[mar]{itrans} %| Marathi
# \usepackage[ori]{itrans} %| Oriya
# \usepackage[pun]{itrans} %| Punjabi
# \usepackage[rom]{itrans} %| Romanisation
# \usepackage[san]{itrans} %| Sanskrit
# \usepackage[tam]{itrans} %| Tamil
# \usepackage[tel]{itrans} %| Telugu
#
#
# \usepackage[bengali]{itrans} %| Bengali
# \usepackage[devanagarii]{itrans}%| Devanagari
# \usepackage[gujarati]{itrans} %| Gujarati
# \usepackage[gurmukhi]{itrans} %| Gurmukhi
# \usepackage[hindi]{itrans} %| Hindi
# \usepackage[kannada]{itrans} %| Kannada
# \usepackage[marathi]{itrans} %| Marathi
# \usepackage[oriya]{itrans} %| Oriya
# \usepackage[punjabi]{itrans} %| Punjabi
# \usepackage[roman]{itrans} %| Romanisation
# \usepackage[sanskrit]{itrans} %| Sanskrit
# \usepackage[tamil]{itrans} %| Tamil
# \usepackage[telugu]{itrans} %| Telugu
#
#
# ===================================================================
# Warning
#
# This package works BOTH with source *before* pre-processing
# and also *after* having pre-processed.
# The latter may create more smaller images of individual syllabes,
# whereas the former tends to create larger images of whole lines,
# paragraphs, sections, etc.
# ===================================================================
#
# Change Log:
# ===========
# $Log: itrans.perl,v $
# Revision 1.4 1999/03/13 00:22:58 RRM
# -- implement <SPAN> and <DIV> tags for HTML4.0
# -- include LANG= attribute with HTM4.0
# -- use \vbox with paragraphs
# -- fine-tuning for certain letters to prevent cropping-bar problems
#
# Revision 1.3 1998/06/19 12:28:48 RRM
# -- recognise #endfont
# -- indic environment may finish as inline, not all paragraphs
# -- removed unneeded variable and code
# -- ensure unwanted gaps don't appear at the start of environments
#
# Revision 1.2 1998/06/18 12:30:50 RRM
# -- support for Gurmukhi/Punjabi, as in itrans 5.2
# -- use struts for fine-tuning of images, avoids cropping problems
# -- add some TeX macros to images.tex
# -- recognise but ignore \obeylines and \obeyspaces
# -- Avinash Chopde has a new Web address
#
# Revision 1.1 1998/04/29 09:12:09 latex2html
# support for the ITRANS pre-processor, by Avinash Chopde
#
# note that ITRANS itself is not supplied;
# this must be obtained and installed separately.
#
# various changes were required in the latex2html script
# to meet the special requirements of ITRANS
#
# Revision 1.1 1998/04/08 04:33:20 RRM
# LaTeX2HTML interfaces to packages and pre-processors for including
# traditional Indic scripts (as images) in HTML documents
#
# see the .perl files for documentation on usage
# see the corresponding .sty file for the LaTeX-2e interface
#
#
package main;
### configuration variables ###
# these may be set in .latex2html-init files
#..however this *must* be set in the environment:
$ITRANSPATH = $ENV{'ITRANSPATH'} = join(':'
, '/usr/local/share/itrans/itrans-5.1/lib'
, '/usr/local/share/itrans/itrans-5.1/lib/fonts'
, '/usr/local/share/texmf/fonts/tfm/itrans'
) unless $ENV{'ITRANSPATH'};
# command-name for the ITRANS pre-processor
$ITRANS = 'itrans -v ' unless $ITRANS;
# input mode
$ITRANS_MODE = 'TeX' unless ($ITRANS_MODE);
# input mode
$ITRANS_OUTMODE = 'TeX' unless ($ITRANS_OUTMODE);
# pre-processor directives for header
$itrans_default = "\#output=TeX\n" unless ($itrans_default);
# max characters in an inline string
$itrans_inline = 200 unless ($itrans_inline);
$itrans_csx = 100 unless ($itrans_csx);
$itrans_latex = 300 unless ($itrans_latex);
# matches languages supported by ITRANS
@itrans_languages = (
'indian'
, 'bengali'
, 'devanagari'
, 'gujarati'
, 'gurmukhi'
, 'hindi'
, 'kannada'
, 'marathi'
, 'oriya'
, 'roman'
, 'sanskrit'
, 'tamil'
, 'telugu'
);
$itrans_languages_rx = "\#(".join('|',@itrans_languages).")\\b";
$itrans_ifm_rx = "\#(".join('|',@itrans_languages).")ifm\\s*\=(.*)\.ifm\\s*\\n";
$itrans_font_rx = "\#(".join('|',@itrans_languages).")font\\s*\=\\s*\\(.*)\\s*\\n";
$itrans_output_rx = "\#output\\s*\=\\s*(TeX|HTML_7|HTML_8|PostScript)\\s*\\n";
$itrans_endfont_rx = "\#endfont\\s*\=\\s*(\.*)\\s*\\n";
# matches directives to revert to normal (La)TeX
$itrans_normal_rx = "\#end${itrans_languages_rx}\\b" unless ($itrans_normal_rx);
# list of recognised pre-processor directives
# (other than language switches)
$itrans_commands_rx = '(usecsx|nousecsx|useshortmarkers)'
unless ($itrans_commands_rx);
# preprocessor: ITRANS
sub do_itrans_preprocess { &alias_itrans('','') }
sub do_itrans_itrans { &alias_itrans('','') }
# input modes
sub do_itrans_7bit { &alias_itrans('SEVENBIT','') }
sub do_itrans_8bit { &alias_itrans('SEVENBIT','') }
sub do_itrans_csx { $ITRANS_MODE = 'CSX'; }
sub do_itrans_html7 { $ITRANS_OUTMODE = 'HTML_7'; }
sub do_itrans_html8 { $ITRANS_OUTMODE = 'HTML_8'; }
# language short aliases
sub do_itrans_bengali { &alias_itrans('BENGALI','B') }
sub do_itrans_devanagari { &alias_itrans('DEVANAGARI','D') }
sub do_itrans_gujarati { &alias_itrans('GUJARATI','G') }
sub do_itrans_gurmukhi { &alias_itrans('GURMUKHI','G') }
sub do_itrans_hindi { &alias_itrans('HINDI','H') }
sub do_itrans_indian { &alias_itrans('INDIAN','I') }
sub do_itrans_kannada { &alias_itrans('KANNADA','K') }
sub do_itrans_marathi { &alias_itrans('MARATHI','M') }
sub do_itrans_oriya { &alias_itrans('ORIYA','O') }
sub do_itrans_punjabi { &alias_itrans('GURMUKHI','P') }
sub do_itrans_roman { &alias_itrans('ROMAN','R') }
sub do_itrans_sanskrit { &alias_itrans('SANSKRIT','S') }
sub do_itrans_tamil { &alias_itrans('TAMIL','T') }
sub do_itrans_telugu { &alias_itrans('TELUGU','T') }
# language medium aliases
sub do_itrans_ben { &alias_itrans('BENGALI','BEN') }
sub do_itrans_dev { &alias_itrans('DEVANAGARI','DEV') }
sub do_itrans_guj { &alias_itrans('GUJARATI','GUJ') }
sub do_itrans_gur { &alias_itrans('GURMUKHI','GUR') }
sub do_itrans_hin { &alias_itrans('HINDI','HIN') }
sub do_itrans_ind { &alias_itrans('INDIAN','IND') }
sub do_itrans_kan { &alias_itrans('KANNADA','KAN') }
sub do_itrans_mar { &alias_itrans('MARATHI','MAR') }
sub do_itrans_ori { &alias_itrans('ORIYA','ORI') }
sub do_itrans_pun { &alias_itrans('GURMUKHI','PUN') }
sub do_itrans_rom { &alias_itrans('ROMAN','ROM') }
sub do_itrans_san { &alias_itrans('SANSKRIT','SAN') }
sub do_itrans_tam { &alias_itrans('TAMIL','TAM') }
sub do_itrans_tel { &alias_itrans('TELUGU','TEL') }
sub alias_itrans {
local($mode,$alias) = @_;
$prelatex .= "$itrans_default\n" unless $itrans_loaded;
if ($alias) {
} elsif ($mode && $mode =~ /^$itrans_commands_rx$/) {
$prelatex .= "\#$mode\n";
$ITRANS_MODE = $mode;
# may need to adjust the $itrans_inline here
}
&pre_process_itrans($alias);
}
sub pre_process_itrans {
local($pattern) = @_;
$preprocessor_cmds .=
"$ITRANS -i ${PREFIX}images.pre -o ${PREFIX}images.tex\n"
unless $itrans_loaded;
&itrans_environments() unless $itrans_loaded;
%other_environments = ( %other_environments
, "\#$pattern:\#end$pattern", 'itrans'
) if ($pattern);
$itrans_loaded = 1;
$PREPROCESS_IMAGES = 1;
}
sub itrans_environments {
%other_environments = ( %other_environments
, "\#bengali:\#endbengali", 'itrans'
, "\#devanagari:\#enddevanagari", 'itrans'
, "\#gujarati:\#endgujarati", 'itrans'
, "\#gurmukhi:\#endgurmukhi", 'itrans'
, "\#hindi:\#endhindi", 'itrans'
, "\#indian:\#endindian", 'itrans'
, "\#kannada:\#endkannada", 'itrans'
, "\#marathi:\#endmarathi", 'itrans'
, "\#oriya:\#endoriya", 'itrans'
, "\#roman:\#endroman", 'itrans'
, "\#sanskrit:\#endsanskrit", 'itrans'
, "\#tamil:\#endtamil", 'itrans'
, "\#telugu:\#endtelugu", 'itrans'
, "\#\#:\#\#", 'itrans'
, "\#bengaliifm:\n", 'nowrap'
, "\#bengalifont:\n", 'nowrap'
, "\#devanagariifm:\n", 'nowrap'
, "\#devanagarifont:\n", 'nowrap'
, "\#gujaratiifm:\n", 'nowrap'
, "\#gujaratifont:\n", 'nowrap'
, "\#gurmukhifm:\n", 'nowrap'
, "\#gurmukhifont:\n", 'nowrap'
, "\#hindiifm:\n", 'nowrap'
, "\#hindifont:\n", 'nowrap'
, "\#indianifm:\n", 'nowrap'
, "\#indianfont:\n", 'nowrap'
, "\#kannadaifm:\n", 'nowrap'
, "\#kannadafont:\n", 'nowrap'
, "\#marathiifm:\n", 'nowrap'
, "\#marathifont:\n", 'nowrap'
, "\#oriyaifm:\n", 'nowrap'
, "\#oriyafont:\n", 'nowrap'
, "\#romanifm:\n", 'nowrap'
, "\#romanfont:\n", 'nowrap'
, "\#sanskritifm:\n", 'nowrap'
, "\#sanskritfont:\n", 'nowrap'
, "\#tamilifm:\n", 'nowrap'
, "\#tamilfont:\n", 'nowrap'
, "\#teluguifm:\n", 'nowrap'
, "\#telugufont:\n", 'nowrap'
, "\#endwordvowel:\n", 'nowrap'
, "\#input:\n", 'nowrap'
, "\#useshortmarkers:", 'nowrap'
, "\#ignoreshortmarkers:", 'nowrap'
, "\#usecsx:", 'nowrap'
, "\#ignorecsx:", 'nowrap'
, "\#endfont:", 'nowrap'
);
}
%ISO_indic = (
'gujarati' , 'gu'
, 'gurmukhi' , 'pu'
, 'punjabi' , 'pu'
, 'hindi' , 'hi'
, 'kannada' , 'kn'
, 'marathi' , 'mr'
, 'oriya' , 'or'
, 'roman' , 'sa'
, 'sanskrit' , 'sa'
, 'tamil' , 'ta'
, 'telugu' , 'te'
, %ISO_indic
);
# interface for inclusion of fonts...
# ...either using <FONT FACE=...> or by style-sheet
$itrans_html_rx = "(bengali|gujarati|sanskrit|roman)";
$itrans_html_ifm_rx = "(itxbeng|itxguj|xdvng|romancsx)";
sub itrans_html {
local($indic,$itext) = @_;
local($ifont) = $itrans_info{$indic.'ifm'};
$ifont =~ s/\.ifm\s*$//;
local($_) = join("\n", "\#output=$ITRANS_OUTMODE"
, "\#${indic}ifm=".$itrans_info{$indic.'ifm'}
, "\#$indic", $itext , "\#end$indic\n" );
open(ITRANS, ">itrans.itx");
print ITRANS "$_";
close(ITRANS);
&syswait("$ITRANS <itrans.itx >itrans.htm");
open(ITRANS, "<itrans.htm"); $itext = '';
while (<ITRANS>) {
next if (/^(\%|$)/);
$itext .= $_
}
close(ITRANS);
$itext =~ s/\\\\/<BR>/g;
if ($USING_STYLES) {
$env_style{'SPAN.'.$ifont} = "font-family: $ifont"
unless ($env_style{'SPAN.'.$ifont});
}
join( "\n"
, ($USING_STYLES ? "<SPAN CLASS=\"$ifont\">"
: "<FONT FACE=\"$ifont\">" )
, $itext
, ($USING_STYLES ? "</SPAN>" : "</FONT>" )
);
}
# processing environments, by paragraphs
sub do_env_pre_itrans {
local($_) = @_;
local($inline_length) = $itrans_inline;
local($indic) = &get_next_optional_argument;
local($itext,$indic_info) = ('',$itrans_info{$indic.'ifm'});
if ($ITRANS_MODE =~ /CSX/ ) { $inline_length = $itrans_csx; }
else { $inline_length = $itrans_inline; }
local($strut);
local($par_start, $par_end, $ilang) = ('<P', "</P>\n", '');
if ($USING_STYLES) {
$ilang = join('', ' LANG="', $ISO_indic{$indic}, '"');
}
if (/\\par/) {
local(@paragraphs, @indic_processed, $this_par);
local($par_alt_start, $par_alt_end) = ($par_start, '');
if ($USING_STYLES) {
$indic =~ s/^([A-Z]{3})\w*$/$1/;
$env_style{'P.'.$indic} = " " unless ($env_style{'P.'.$indic});
$env_style{'SPAN.'.$indic} = " " unless ($env_style{'SPAN.'.$indic});
$par_start .= $ilang." CLASS=\"$indic\">";
$par_alt_start = "<SPAN$ilang CLASS=\"$indic\">";
$par_alt_end = "</SPAN>";
} else {
$par_start .= '>';
$par_alt_start .= '>';
}
@paragraphs = (split(/$par_rx/, $_));
local($saved_par);
while (@paragraphs) {
$this_par = shift @paragraphs;
foreach (1..6) { shift @paragraphs; }
next unless ($this_par);
$strut = '';
if (($ITRANS_OUTMODE =~ /HTML/)&&($indic =~ /$itrans_html_rx/)
&&($indic_info =~ /$itrans_html_ifm_rx/)) {
local($PREAMBLE) = 1;
$this_par = &revert_to_raw_tex($this_par);
$_ = &itrans_html($indic,$this_par);
} else {
if ($this_par =~ /^\\/) {
#catch 'paragraphs' that are just TeX macros
local($savedRS) = $/; $/ = '';
if ($this_par =~ /^(\s*\\\w+)+$/sm ) {
# save them for the next paragraph
$saved_par .= $this_par."\n\n";
$/ = $savedRS; next;
}
$/ = $savedRS;
}
if ($saved_par) {
#include any saved macros
$this_par = $saved_par . $this_par;
$saved_par = '';
}
if (($indic =~ /^($gur_font_rx)/i)
||($indic_info =~/$gur_font_rx/i)) {
$this_par = &tuneup_gurmukhi($this_par);
} elsif ($indic_info =~ /dvng/) {
$this_par = &tuneup_devnag($this_par);
} elsif (($indic =~ /^($dvnc_font_rx)/i)
||($indic_info =~/$dvnc_font_rx/i)) {
$this_par = &tuneup_devnac($this_par);
}
next if ($this_par =~ /^\s*$/s);
}
if (($#paragraphs >= 0)||($this_par =~ /\\\\|\n+$/)
||(length($this_par) > $inline_length )) {
$this_par =~ s/^\s*|\s*$//sg;
if (($HTML_VERSION >= 4)&&(defined &process_object_in_latex)) {
$_ = &process_object_in_latex(
"\\vbox{\#$indic$strut\n", $this_par, "\n\#end$indic}"
);
push(@indic_processed, $par_start , $_ , $par_end);
} else {
$_ = &process_in_latex(
"\\vbox{\#$indic$strut\n$this_par\n\#end$indic}");
push(@indic_processed
, &make_comment( 'ITRANS: '.$indic, $this_par)
, $par_start , $_ , $par_end);
}
} else {
$this_par =~ s/^\s*|\s*$//g;
if (($HTML_VERSION >= 4)&&(defined &process_object_in_latex)) {
$_ = &process_object_in_latex(
"\#$indic ", $this_par, "$strut\#end$indic\n"
);
push(@indic_processed, $par_alt_start , $_ , $par_alt_end);
} else {
$_ = &process_undefined_environment(
'tex2html_ind_inline'
, ++$global{'max_id'}
, "\#$indic $this_par$strut\#end$indic\n");
push(@indic_processed
, &make_comment( 'ITRANS: '.$indic, $this_par)
, $par_alt_start , $_ , $par_alt_end);
}
}
}
join('', @indic_processed );
} elsif (($ITRANS_OUTMODE =~ /HTML/)&&($indic =~ /$itrans_html_rx/)
&&($indic_info =~ /$itrans_html_ifm_rx/)) {
local($PREAMBLE) = 1; # as if processing the preamble
local($itext) = &revert_to_raw_tex($_);
$itext =~ s/^\s*|\s*$//g;
join ('' , &make_comment('ITRANS: '.$indic, $itext)
, &itrans_html($indic,$itext) );
} else {
local($comment);
if (($indic =~ /^($gur_font_rx)/i)
||($indic_info =~/$gur_font_rx/i)) {
$_ = &tuneup_gurmukhi($_);
} elsif ($indic_info =~ /dvng/) {
$_ = &tuneup_devnag($_);
} elsif (($indic =~ /^($dvnc_font_rx)/i)
||($indic_info =~/$dvnc_font_rx/i)) {
$_ = &tuneup_devnac($_);
}
if (length($_) < $inline_length ) {
# preserve empty {}s
s/(($O|$OP)\d+($C|$CP))\1/\{\}/g;
if (($HTML_VERSION >= 4)&&(defined &process_object_in_latex)) {
$_ = &process_object_in_latex(
"\#$indic ", $_ , "$strut\#end$indic}"
) unless ($_ =~ /^\s*$/s);
} else {
$_ = &process_undefined_environment('tex2html_ind_inline'
, ++$global{'max_id'}, "\#$indic $_$strut\#end$indic\n")
unless ($_ =~ /^\s*$/s);
}
} elsif (($HTML_VERSION >= 4)&&(defined &process_object_in_latex)) {
$_ =~ s/^\s*|\s*$//g;
$_ = &process_object_in_latex(
"\\vbox{\#$indic$strut\n" , $_, "\n\#end$indic}"
) unless ($_ =~ /^\s*$/s);
} else {
$_ =~ s/^\s*|\s*$//g;
$comment = join('', &make_comment( 'ITRANS: '.$indic, $_),"\n");
$_ = &process_in_latex("\\vbox{\#$indic$strut\n$_\n\#end$indic}")
unless ($_ =~ /^\s*$/s);
}
if ($USING_STYLES) {
$indic =~ s/^([A-Z]{3})\w*$/$1/;
$env_style{$indic} = " " unless ($env_style{$indic});
join('', $comment, "<SPAN$ilang CLASS=\"$indic\">", $_, '</SPAN>');
} else { $comment . $_ }
}
}
$beng_font_rx = 'BEN';
$devnag_font_rx = 'DEV';
$dvnc_font_rx = 'HIN|MAR|SAN';
$guj_font_rx = 'GUJ';
$gur_font_rx = 'GUR|PUN';
$kan_font_rx = 'KAN';
$tel_font_rx = 'TEL';
$tamil_font_rx = 'TAM';
$utopia_font_rx = 'ROM';
sub tuneup_gurmukhi {
local($_) = @_;
#catch characters that draw outside their boxes
s/^\s*((nn|mm)a)/\\ $1/;
s/(r(a|u))$/$1\\,/;
s|(\\)?(\w+)$|$1?$1.$2:$2."\\/"|e;
$_;
}
sub tuneup_dvnc {
local($_) = @_;
#catch characters that draw outside their boxes
# s/^\s*((nn|mm)a)/\\ $1/;
s/(hu|u|ii|aas?|ar|th|tr|ai?|e|\.\w|M|m)$/$1\\,/;
s|(\\)?(\w+)$|$1?$1.$2:$2."\\/"|e;
$_;
}
sub tuneup_devnac {
local($_) = @_;
$strut = '\istrut' if (/a\.|ii|[MI]/);
&tuneup_dvnc($_);
}
sub tuneup_devnag {
local($_) = @_;
#catch characters that draw outside their boxes
s/(\^i|^\s*[io]$)$/$1\\,/;
s/^\s*(\.([\Wr]|$))/\\ $1/;
s/^\s*(d(e|vr))/\\,$1/;
# $strut_needed = (/a\.|ii|[MI]/ ? 1 : '');
$strut = '\dvgstrut' if (/a\.|ii|[MI]/);
&tuneup_dvnc($_);
}
sub do_cmd_usecsx { $ITRANS_MODE = 'CSX'; @_[0]}
sub do_cmd_nousecsx { $ITRANS_MODE = ''; @_[0]}
# for source already pre-processed
# make images of unusual (not ISO-Latin1) accents
$ACCENT_IMAGES = 'textrm' unless $ACCENT_IMAGES;
$ENGLFONT = 'bfseries' unless $ENGLEFONT;
$DVN_SIZE = '';
$image_switch_rx .= "|(frans|post|use|normal|large|Large|LARGE|huge|Huge)dvng|devn(font|mode)|englfont";
sub do_cmd_devnfont { &do_cmd_normaldevn(@_) }
sub do_cmd_devnmode { &do_cmd_devnfont(@_) }
sub do_cmd_franstrue { $ENGLFONT = 'rmfamily'; }
sub do_cmd_fransfalse { $ENGLFONT = 'bfseries'; }
sub do_cmd_fransdvng {
local($ENGLFONT) = 'rmfamily';
&process_itrans_output('fransdvng',$font_size{'fransdvng'},$itrans_inline, @_[0]) }
sub do_cmd_postdvng {
local($ENGLFONT) = 'bfseries';
&process_itrans_output('postdvng',$font_size{'postdvng'},$itrans_inline, @_[0]) }
sub do_cmd_usedvng {
&process_itrans_output('usedvng',$font_size{'usedvng'},$itrans_inline, @_[0]) }
sub do_cmd_normaldvng {
local($ENGLEFONT) = $ENGLEFONT; $ENGLFONT .= "\\normalsize";
&process_itrans_output('normaldvng',$font_size{'normaldvng'},$itrans_inline, @_[0]) }
sub do_cmd_largedvng {
local($ENGLEFONT) = $ENGLEFONT; $ENGLFONT .= "\\large";
&process_itrans_output('largedvng',$font_size{'largedvng'},$itrans_inline, @_[0]) }
sub do_cmd_Largedvng {
local($ENGLEFONT) = $ENGLEFONT; $ENGLFONT .= "\\Large";
&process_itrans_output('Largedvng',$font_size{'Largedvng'},$itrans_inline, @_[0]) }
sub do_cmd_LARGEdvng {
local($ENGLEFONT) = $ENGLEFONT; $ENGLFONT .= "\\LARGE";
&process_itrans_output('LARGEdvng',$font_size{'LARGEdvng'},$itrans_inline, @_[0]) }
sub do_cmd_hugedvng {
local($ENGLEFONT) = $ENGLEFONT; $ENGLFONT .= "\\huge";
&process_itrans_output('hugedvng',$font_size{'hugedvng'},$itrans_inline, @_[0]) }
sub do_cmd_Hugedvng {
local($ENGLEFONT) = $ENGLEFONT; $ENGLFONT .= "\\Huge";
&process_itrans_output('Hugedvng',$font_size{'Hugedvng'},$itrans_inline, @_[0]) }
$font_size{'normaldvng'} = "10pt";
$font_size{'largedvng'} = " scaled \\magstephalf ";
$font_size{'Largedvng'} = " scaled \\magstep1 ";
$font_size{'LARGEdvng'} = " scaled \\magstep2 ";
$font_size{'hugedvng'} = " scaled \\magstep3 ";
$font_size{'Hugedvng'} = " scaled \\magstep4 ";
sub process_itrans_output {
local($dvnfont, $dvn_size, $brlength, $dvntxt) = @_;
$brlength = $itrans_inline unless $brlength;
# size defaults to $LATEX_FONT_SIZE
# it can be set separately for each font-call, if desired
# via: $font_size{'...'} = <size>
$dvntxt = "\{\\$dvnfont$dvntxt\}\%".($dvn_size ? $dvn_size : $LATEX_FONT_SIZE)."\%";
if (length($dvntxt) < $brlength ) {
$global{'max_id'}++;
$dvntxt = &process_undefined_environment('tex2html_dvn_inline'
,$global{'max_id'}, $dvntxt);
} else { $dvntxt = &process_in_latex($dvntxt) }
if ($USING_STYLES) {
$env_style{'INDIC'} = " " unless ($env_style{'INDIC'});
join('','<SPAN CLASS="INDIC">', $dvntxt, '</SPAN>');
} else { $dvntxt }
}
sub do_cmd_englfont {
local($_) = @_[0];
foreach $cmd (split(/\\/,$ENGLFONT)) {
$tmp = "do_cmd_$cmd";
if (defined &$tmp) { eval("\$_ = &$tmp(\$_)") }
else {
$_ = &declared_env($cmd,$_);
}
}
$_;
}
# \itrans_info is inserted artificially to read the
# directives of the form: #hindiifm=.... #hindifont=...
sub do_cmd_ITRANSinfo {
local($_) = @_;
local($ilang,$iinfo);
$ilang = &missing_braces unless (
(s/$next_pair_pr_rx/$ilang=$2;''/e)
||(s/$next_pair_rx/$ilang=$2;''/e));
$iinfo = &missing_braces unless (
(s/$next_pair_pr_rx/$iinfo=$2;''/e)
||(s/$next_pair_rx/$iinfo=$2;''/e));
$itrans_info{$ilang} = $iinfo;
$latex .= "\n\#$ilang=$iinfo\n";
'';
}
#$itrans_tex_mod =
# "\n \\def\\sBs#1#2{{\\setbox\\zErOdEpTh=\\hbox{%"
# ."\n \\raise#1em\\hbox{#2}}\\dp\\zErOdEpTh=0pt\\box\\zErOdEpTh}}"
$itrans_tex_mod =
"\n \\def\\dvgstrut{\\vrule height6ex width0pt}\n"
."\n \\def\\istrut{\\vrule height1.1ex width0pt}\n";
# TeX commands from idevn.tex and itrnstlg.tex
&ignore_commands (<<_IGNORED_CMDS_);
portraitpage
landscapepage
obeyspaceslines
obeyspaces
obeylines
_IGNORED_CMDS_
&process_commands_wrap_deferred (<<_DEFERRED_CMDS_);
specialsforfrans
_DEFERRED_CMDS_
&process_commands_in_tex (<<_RAW_ARG_CMDS_);
sBs # {} # {}
_RAW_ARG_CMDS_
1; # Not really necessary...
|