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texcount.pl
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#! /usr/bin/env perl
use strict;
use warnings;
use utf8; # Because the script itself is UTF-8 encoded
use Encode;
use Text::Wrap;
use Term::ANSIColor;
BEGIN {
if ($^O=~/^MSWin/) {
require Win32::Console::ANSI;
Win32::Console::ANSI::->import();
}
}
##### Version information
my $versionnumber="3.0.beta";
my $versiondate="2012 May 30";
###### Set global settings and variables
### Global data about TeXcount
my %GLOBALDATA=
('versionnumber' => $versionnumber
,'versiondate' => $versiondate
,'maintainer' => 'Einar Andreas Rodland'
,'copyrightyears' => '2008-2012'
,'website' => 'http://app.uio.no/ifi/texcount/'
);
### Options and states
# Outer object (for error reports not added by a TeX object)
my $Main=getMain();
# Global options and settings
my $htmlstyle=0; # Flag to print HTML
my $encoding=undef; # Selected input encoding (default will be guess)
my @encodingGuessOrder=qw/ascii utf8 latin1/; # Encoding guessing order
my $outputEncoding; # Encoding used for output
my @AlphabetScripts=qw/Digit Is_alphabetic/; # Letters minus logograms: defined later
my @LogogramScripts=qw/Ideographic Katakana Hiragana Thai Lao Hangul/; # Scripts counted as whole words
# Parsing rules options
my $includeTeX=0; # Flag to parse included files
my $includeBibliography=0; # Flag to include bibliography
my %substitutions; # Substitutions to make globally
my %IncludedPackages; # List of included packages
# Counting options
my @sumweights; # Set count weights for computing sum
my $optionWordFreq=0; # Count words of this frequency, or don't count if 0
my $optionWordClassFreq=0; # Count words per word class (language) if set
my $optionMacroStat=0; # Count macro, environment and package usage
# Parsing details options
my $strictness=0; # Flag to check for undefined environments
my $defaultVerbosity='0'; # Specification of default verbose output style
my $printlevel=0; # Flag indicating level of verbose output
my $showstates=0; # Flag to show internal state in verbose log
my $showcodes=1; # Flag to show overview of colour codes (2=force)
my $showsubcounts=0; # Write subcounts if #>this, or not (if 0)
my $separatorstyleregex='^word'; # Styles (regex) after which separator should be added
my $separator=''; # Separator to add after words/tokens
# Final summary output options
my $showVersion=0; # Indicator that version info be included (1) or not (-1)
my $totalflag=0; # Flag to write only total summary
my $briefsum=0; # Flag to set brief summary
my $outputtemplate; # Output template
my $finalLineBreak=1; # Add line break at end
# Global settings
my $optionFast=1; # Flag inticating fast method
# Global variables and internal states (for internal use only)
my $blankline=0; # Number of blank lines printed
my $errorcount=0; # Number of errors in parsing
my %warnings=(); # Warnings
my %WordFreq; # Hash for counting words
my %MacroUsage; # Hash for counting macros, environments and packages
# External sources
my $HTMLfile; # HTML file to use as HTML output template
my $CSSfile; # CSS file to use with HTML output
my $CSShref; # CSS reference to use with HTML output
my @htmlhead; # Lines to add to the HTML header
my $htmlopen; # text used to open the HTML file
my $htmlclose; # text used to close the HTML file
# String data storage
my $STRINGDATA;
# Other constants
my $_PARAM_='<param>'; # to identify parameter to _parse_unit
my $STRING_PARAMETER='{_}'; # used to log macro parameters
my $STRING_OPTIONAL_PARAM='[_]'; # used to log optional parameter
my $STRING_GOBBLED_OPTION='[]'; # used to log gobbled macro option
my $STRING_ERROR='<error>'; # used to log errors causing parsing to stop
my $REGEX_NUMBER=qr/^\d+$/; # regex to recognize a number
###### Set CMD specific settings and variables
## Preset command line options
# List of options (stings) separated by comma,
# e.g. ('-inc','-v') to parse included files and
# give verbose output by default.
my @StartupOptions=();
# CMD specific global variables
my @filelist; # List of files to parse
my $globalworkdir='./'; # Overrules workdir (default=present root)
my $workdir; # Current directory (default=taken from filename)
my $auxdir; # Directory for auxilary files, e.g. bbl (default=$workdir)
my $fileFromSTDIN=0; # Flag to set input from STDIN
my $_STDIN_='<STDIN>'; # File name to represent STDIN (must be '<...>'!)
# CMD specific settings
$Text::Wrap::columns=76; # Page width for wrapped output
###### Set state identifiers and methods
### Counter indices from 0 to $SIZE_CNT-1
# 0: Number of files
# 1: Text words
# 2: Header words
# 3: Caption words
# 4: Number of headers
# 5: Number of floating environments
# 6: Number of inlined math
# 7: Number of displayed math
my $SIZE_CNT=8;
my $SIZE_CNT_DEFAULT=8;
my $CNT_FILE=0;
my $CNT_WORDS_TEXT=1;
my $CNT_WORDS_HEADER=2;
my $CNT_WORDS_OTHER=3;
my $CNT_COUNT_HEADER=4;
my $CNT_COUNT_FLOAT=5;
my $CNT_COUNT_INLINEMATH=6;
my $CNT_COUNT_DISPLAYMATH=7;
# Labels used to describe the counts
my @countkey=('file','word','hword','oword','header','float','inmath','dsmath');
my @countdesc=('Files','Words in text','Words in headers',
'Words outside text (captions, etc.)','Number of headers','Number of floats/tables/figures',
'Number of math inlines','Number of math displayed');
# Map keywords to counters
my %key2cnt;
add_keys_to_hash(\%key2cnt,$CNT_FILE,0,'file');
add_keys_to_hash(\%key2cnt,$CNT_WORDS_TEXT,1,'text','word','w','wd');
add_keys_to_hash(\%key2cnt,$CNT_WORDS_HEADER,2,'headerword','hword','hw','hwd');
add_keys_to_hash(\%key2cnt,$CNT_WORDS_OTHER,3,'otherword','other','oword','ow','owd');
add_keys_to_hash(\%key2cnt,$CNT_COUNT_HEADER,4,'header','heading','head');
add_keys_to_hash(\%key2cnt,$CNT_COUNT_FLOAT,5,'float','table','figure');
add_keys_to_hash(\%key2cnt,$CNT_COUNT_INLINEMATH,6,'inline','inlinemath','imath','eq');
add_keys_to_hash(\%key2cnt,$CNT_COUNT_DISPLAYMATH,7,'displaymath','dsmath','dmath','ds');
### Token types
# Set in $tex->{'type'} by call to _next_token
my $TOKEN_SPACE=-1;
my $TOKEN_COMMENT=0;
my $TOKEN_WORD=1; # word (or other form of text or text component)
my $TOKEN_SYMBOL=2; # symbol (not word, e.g. punctuation)
my $TOKEN_MACRO=3; # macro (\name)
my $TOKEN_BRACE=4; # curly braces: { }
my $TOKEN_BRACKET=5; # brackets: [ ]
my $TOKEN_MATH=6;
my $TOKEN_LINEBREAK=9; # line break in file
my $TOKEN_TC=666; # TeXcount instructions (%TC:instr)
my $TOKEN_END=999; # end of line or blank line
### Parsing states
#
## States for regions that should not be counted
# IGNORE = exclude from count
# FLOAT = float (exclude, but include captions)
# EXCLUDE_STRONG = strong exclude, ignore environments
# EXCLUDE_STRONGER = stronger exclude, do not parse macro parameters
# EXCLUDE_ALL = ignore everything except end marker: even {
# PREAMBLE = preamble (between \documentclass and \begin{document})
## States for regions in which words should be counted
# TEXT = text
# TEXT_HEADER = header text
# TEXT_FLOAT = float text
## State change: not used in parsing, but to switch state then ignore contents
# TO_INLINEMATH = switch to inlined math
# TO_DISPLAYMATH = switch to displayed math
## Other states
# _NULL = default state to use if none other is defined
# _OPTION = state used to indicate that the next parameter is an option
# _EXCLUDE_ = cutoff, state <= this represents excluded text
## NB: Presently, it is assumed that additional states is added as 8,9,...,
## e.g. that states added through TC:newcounter correspond to the added counters.
#
my $STATE_IGNORE=-1;
my $STATE_MATH=-2;
my $STATE_FLOAT=-10;
my $STATE_EXCLUDE_STRONG=-20;
my $STATE_EXCLUDE_STRONGER=-30;
my $STATE_EXCLUDE_ALL=-40;
my $STATE_PREAMBLE=-99;
my $STATE_TEXT=1;
my $STATE_TEXT_HEADER=2;
my $STATE_TEXT_FLOAT=3;
my $STATE_TO_HEADER=4;
my $STATE_TO_FLOAT=5;
my $STATE_TO_INLINEMATH=6;
my $STATE_TO_DISPLAYMATH=7;
my $__STATE_EXCLUDE_=-10;
my $__STATE_NULL=1;
my $_STATE_OPTION=-1000;
my $_STATE_NOOPTION=-1001;
my $_STATE_AUTOOPTION=-1002;
# Counter key mapped to STATE
my $PREFIX_PARAM_OPTION=' '; # Prefix for parameter options/modifiers
my %key2state;
add_keys_to_hash(\%key2state,$STATE_TEXT,1,'text','word','w','wd');
add_keys_to_hash(\%key2state,$STATE_TEXT_HEADER,2,'headertext','headerword','hword','hw','hwd');
add_keys_to_hash(\%key2state,$STATE_TEXT_FLOAT,3,'otherword','other','oword','ow','owd');
add_keys_to_hash(\%key2state,$STATE_TO_HEADER,4,'header','heading','head');
add_keys_to_hash(\%key2state,$STATE_TO_FLOAT,5,'float','table','figure');
add_keys_to_hash(\%key2state,$STATE_TO_INLINEMATH,6,'inline','inlinemath','imath','eq');
add_keys_to_hash(\%key2state,$STATE_TO_DISPLAYMATH,7,'displaymath','dsmath','dmath','ds');
add_keys_to_hash(\%key2state,$STATE_IGNORE,0,'ignore','x');
add_keys_to_hash(\%key2state,$STATE_MATH,'ismath');
add_keys_to_hash(\%key2state,$STATE_FLOAT,-1,'isfloat');
add_keys_to_hash(\%key2state,$STATE_EXCLUDE_STRONG,-2,'xx');
add_keys_to_hash(\%key2state,$STATE_EXCLUDE_STRONGER,-3,'xxx');
add_keys_to_hash(\%key2state,$STATE_EXCLUDE_ALL,-4,'xall');
add_keys_to_hash(\%key2state,$_STATE_OPTION,'[',' option',' opt',' optional');
add_keys_to_hash(\%key2state,$_STATE_NOOPTION,'nooption','nooptions','noopt','noopts');
add_keys_to_hash(\%key2state,$_STATE_AUTOOPTION,'autooption','autooptions','autoopt','autoopts');
# When combining two states, use the first one; list must be complete!
my @STATE_FIRST_PRIORITY=(
$STATE_EXCLUDE_ALL,
$STATE_EXCLUDE_STRONGER,
$STATE_EXCLUDE_STRONG,
$STATE_FLOAT,
$STATE_MATH,
$STATE_IGNORE,
$STATE_PREAMBLE,
$STATE_TO_FLOAT,
$STATE_TO_HEADER,
$STATE_TO_INLINEMATH,
$STATE_TO_DISPLAYMATH);
my @STATE_MID_PRIORITY=();
my @STATE_LAST_PRIORITY=(
$STATE_TEXT_FLOAT,
$STATE_TEXT_HEADER,
$STATE_TEXT);
# Map state to corresponding word counter
my %state2cnt=(
$STATE_TEXT => $CNT_WORDS_TEXT,
$STATE_TEXT_HEADER => $CNT_WORDS_HEADER,
$STATE_TEXT_FLOAT => $CNT_WORDS_OTHER);
# Transition state mapped to content state and counter
my %transition2state=(
$STATE_TO_HEADER => [$STATE_TEXT_HEADER,$CNT_COUNT_HEADER],
$STATE_TO_INLINEMATH => [$STATE_MATH ,$CNT_COUNT_INLINEMATH],
$STATE_TO_DISPLAYMATH => [$STATE_MATH ,$CNT_COUNT_DISPLAYMATH],
$STATE_TO_FLOAT => [$STATE_FLOAT ,$CNT_COUNT_FLOAT]);
# Parsing state descriptions (used for macro rule help)
my %state2desc=(
$STATE_IGNORE => 'ignore: do not count',
$STATE_MATH => 'math/equation contents',
$STATE_FLOAT => 'float (figure, etc.): ignore all but special macros',
$STATE_EXCLUDE_STRONG => 'strong exclude: ignore environments',
$STATE_EXCLUDE_STRONGER => 'stronger exclude: ignore environments and macro paramters',
$STATE_EXCLUDE_ALL => 'exlude all: even {, only scan for end marker',
$STATE_PREAMBLE => 'preamble: from \documentclass to \begin{document}',
$STATE_TEXT => 'text: count words',
$STATE_TEXT_HEADER => 'header text: count words as header words',
$STATE_TEXT_FLOAT => 'float text: count words as float words (e.g. captions)',
$STATE_TO_HEADER => 'header: count header, then count words as header words',
$STATE_TO_FLOAT => 'float: count float, then count words as float/other words',
$STATE_TO_INLINEMATH => 'inline math: count as inline math/equation',
$STATE_TO_DISPLAYMATH => 'displayed math: count as displayed math/equation');
# Parsing state presentation style
my %state2style=(
$STATE_TEXT => 'word',
$STATE_TEXT_HEADER => 'hword',
$STATE_TEXT_FLOAT => 'oword',
);
# State: is a text state..."include state" is more correct
sub state_is_text {
my $st=shift @_;
return ($st>=$STATE_TEXT);
}
# State: is a parsed/included region, text or preamble
sub state_is_parsed {
my $st=shift @_;
return ($st>=$STATE_TEXT || $st==$STATE_PREAMBLE);
}
# State: get CNT corresponding to text state (or undef)
sub state_text_cnt {
my $st=shift @_;
return $state2cnt{$st};
}
# State: is an exclude state
sub state_is_exclude {
my $st=shift @_;
return ($st<=$__STATE_EXCLUDE_);
}
# State: \begin and \end should be processed
sub state_inc_envir {
my $st=shift @_;
return ($st>$STATE_EXCLUDE_STRONG);
}
# State as text (used with printstate)
# TODO: Should do a conversion based on STATE values.
sub state_to_text {
my $st=shift @_;
return $st;
}
# Style to use with text state
sub state_to_style {
return $state2style{shift @_};
}
# Add new counter with the given key and description
sub add_new_counter {
my ($key,$desc,$like)=@_;
my $state=$SIZE_CNT;
my $cnt=$SIZE_CNT;
$key=lc($key);
if (!defined $like){$like=$CNT_WORDS_OTHER;}
$key2cnt{$key}=$cnt;
push @countkey,$key;
push @countdesc,$desc;
if (defined $sumweights[$like]) {$sumweights[$cnt]=$sumweights[$like];}
$key2state{$key}=$state;
$state2cnt{$state}=$cnt;
$state2style{$state}='altwd';
push @STATE_MID_PRIORITY,$state;
$SIZE_CNT++;
}
###### Set global definitions
### Break points
# Definition of macros that define break points that start a new subcount.
# The values given are used as labels.
my %BreakPointsOptions;
$BreakPointsOptions{'none'}={};
$BreakPointsOptions{'part'}={%{$BreakPointsOptions{'none'}},'\part'=>'Part'};
$BreakPointsOptions{'chapter'}={%{$BreakPointsOptions{'part'}},'\chapter'=>'Chapter'};
$BreakPointsOptions{'section'}={%{$BreakPointsOptions{'chapter'}},'\section'=>'Section'};
$BreakPointsOptions{'subsection'}={%{$BreakPointsOptions{'section'}},'\subsection'=>'Subsection'};
$BreakPointsOptions{'default'}=$BreakPointsOptions{'subsection'};
my %BreakPoints=%{$BreakPointsOptions{'none'}};
### Print styles
# Definition of different print styles: maps of class labels
# to ANSI codes. Class labels are as used by HTML styles.
my %STYLES;
my $STYLE_EMPTY=' ';
my $STYLE_BLOCK='-';
my $NOSTYLE=' ';
$STYLES{'Errors'}={'error'=>'bold red'};
$STYLES{'Words'}={'word'=>'blue','hword'=>'bold blue','oword'=>'blue','altwd'=>'blue'};
$STYLES{'Macros'}={'cmd'=>'green','fileinc'=>'bold green'};
$STYLES{'Options'}={'option'=>'yellow','optparm'=>'green'};
$STYLES{'Ignored'}={'ignore'=>'cyan','math'=>'magenta'};
$STYLES{'Excluded'}={'exclcmd'=>'yellow','exclenv'=>'yellow','exclmath'=>'yellow'};
$STYLES{'Groups'}={'document'=>'red','envir'=>'red','mathgroup'=>'magenta'};
$STYLES{'Comments'}={'tc'=>'bold yellow','comment'=>'yellow'};
$STYLES{'Sums'}={'cumsum'=>'yellow'};
$STYLES{'States'}={'state'=>'cyan underline'};
$STYLES{'<core>'}={%{$STYLES{'Errors'}},$STYLE_EMPTY=>$NOSTYLE,'<printlevel>'=>1};
$STYLES{0}={%{$STYLES{'Errors'}},'<printlevel>'=>0};
$STYLES{1}={%{$STYLES{'<core>'}},%{$STYLES{'Words'}},%{$STYLES{'Groups'}},%{$STYLES{'Sums'}}};
$STYLES{2}={%{$STYLES{1}},%{$STYLES{'Macros'}},%{$STYLES{'Ignored'}},%{$STYLES{'Excluded'}}};
$STYLES{3}={%{$STYLES{2}},%{$STYLES{'Options'}},%{$STYLES{'Comments'}},'<printlevel>'=>2};
$STYLES{4}={%{$STYLES{3}},%{$STYLES{'States'}}};
$STYLES{'All'}=$STYLES{4};
my %STYLE=%{$STYLES{$defaultVerbosity}};
my @STYLE_LIST=('error','word','hword','oword','altwd',
'ignore','document','cmd','exclcmd','option','optparm','envir','exclenv',
'mathgroup','exclmath','math','comment','tc','fileinc','state','cumsum');
my %STYLE_DESC=(
'error' => 'ERROR: TeXcount error message',
'word' => 'Text which is counted: counted as text words',
'hword' => 'Header and title text: counted as header words',
'oword' => 'Caption text and footnotes: counted as caption words',
'altwd' => 'Words in user specified counters: counted in separate counters',
'ignore' => 'Ignored text or code: excluded or ignored',
'document' => '\documentclass: document start, beginning of preamble',
'cmd' => '\macro: macro not counted, but parameters may be',
'exclcmd' => '\macro: macro in excluded region',
'option' => '[Macro options]: not counted',
'optparm' => '[Optional parameter]: content parsed and styled as counted',
'envir' => '\begin{name} \end{name}: environment',
'exclenv' => '\begin{name} \end{name}: environment in excluded region',
'mathgroup' => '$ $: counted as one equation',
'exclmath' => '$ $: equation in excluded region',
'math' => '2+2=4: maths (inside $...$ etc.)',
'comment' => '% Comments: not counted',
'tc' => '%TC:TeXcount instructions: not counted',
'fileinc' => 'File to include: not counted but file may be counted later',
'state' => '[state]: internal TeXcount state',
'cumsum' => '[cumsum]: cumulative sum count');
###### Define what a word is and language options
# Patters matching a letter. Should be a single character or
# ()-enclosed regex for substitution into word pattern regex.
my @LetterMacros=qw/ae AE o O aa AA oe OE ss
alpha beta gamma delta epsilon zeta eta theta iota kappa lamda
mu nu xi pi rho sigma tau upsilon phi chi psi omega
Gamma Delta Theta Lambda Xi Pi Sigma Upsilon Phi Psi Omega
/;
my $specialchars='\\\\('.join('|',@LetterMacros).')(\{\}|\s*|\b)';
my $modifiedchars='\\\\[\'\"\`\~\^\=](@|\{@\})';
my %NamedLetterPattern;
$NamedLetterPattern{'restricted'}='@';
$NamedLetterPattern{'default'}='('.join('|','@',$modifiedchars,$specialchars).')';
$NamedLetterPattern{'relaxed'}=$NamedLetterPattern{'default'};
my $LetterPattern=$NamedLetterPattern{'default'};
# List of regexp patterns that should be analysed as words.
# Use @ to represent a letter, will be substituted with $LetterPattern.
# Named patterns may replace or be appended to the original patterns.
# Apply_Options() results in a call to apply_language_options() which
# constructs $WordPattern based on $LetterPattern, @WordPatterns and
# alphabet/logogram settings.
my %NamedWordPattern;
$NamedWordPattern{'letters'}='@';
$NamedWordPattern{'words'}='(@+|@+\{@+\}|\{@+\}@+)([\-\'\.]?(@+|\{@+\}))*';
my @WordPatterns=($NamedWordPattern{'words'});
my $WordPattern; # Regex matching a word (defined in apply_language_options())
### Macro option regexp list
# List of regexp patterns to be gobbled as macro option in and after
# a macro.
my %NamedMacroOptionPattern;
$NamedMacroOptionPattern{'default'}='\[(\w|[,\-\s\~\.\:\;\+\?\*\_\=])*\]';
$NamedMacroOptionPattern{'relaxed'}='\[[^\[\]\n]*\]';
$NamedMacroOptionPattern{'restricted'}=$NamedMacroOptionPattern{'default'};
my $MacroOptionPattern=$NamedMacroOptionPattern{'default'};
### Alternative language encodings
my %NamedEncodingGuessOrder;
$NamedEncodingGuessOrder{'chinese'}=[qw/utf8 gb2312 big5/];
$NamedEncodingGuessOrder{'japanese'}=[qw/utf8 euc-jp iso-2022-jp jis shiftjis/];
$NamedEncodingGuessOrder{'korean'}=[qw/utf8 euc-kr iso-2022-kr/];
###### Define character classes (alphabets)
### Character classes to use as Unicode properties
# Character group representing digits 0-9 (more restrictive than Digits)
sub Is_digit { return <<END;
0030\t0039
END
}
# Character group representing letters (excluding logograms)
sub Is_alphabetic { return <<END;
+utf8::Alphabetic
-utf8::Ideographic
-utf8::Katakana
-utf8::Hiragana
-utf8::Thai
-utf8::Lao
-utf8::Hangul
END
}
# Character group representing letters (excluding logograms)
sub Is_alphanumeric { return <<END;
+utf8::Alphabetic
+utf8::Digit
-utf8::Ideographic
-utf8::Katakana
-utf8::Hiragana
-utf8::Thai
-utf8::Lao
-utf8::Hangul
END
}
# Character class for punctuation excluding special characters
sub Is_punctuation { return <<END;
+utf8::Punctuation
-0024\t0025
-005c
-007b\007e
END
}
# Character group representing CJK characters
sub Is_cjk { return <<END;
+utf8::Han
+utf8::Katakana
+utf8::Hiragana
+utf8::Hangul
END
}
# Character group for CJK punctuation characters
sub Is_cjkpunctuation { return <<END;
3000\t303f
2018\t201f
ff01\tff0f
ff1a\tff1f
ff3b\tff3f
ff5b\tff65
END
}
###### Define core rules
### Macros indicating package inclusion
# Will always be assumed to take one parameter (plus options).
# Gets added to TeXmacro. After that, values are not used, only membership.
my %TeXpackageinc=('\usepackage'=>1,'\RequirePackage'=>1);
### Macros that are counted within the preamble
# The preamble is the text between \documentclass and \begin{document}.
# Text and macros in the preamble is ignored unless specified here. The
# value is the states (1=text, 2=header, etc.) they should be interpreted as.
# Note that only the first unit (token or {...} block) is counted.
# Gets added to TeXmacro. Is used within preambles only.
my %TeXpreamble;
add_keys_to_hash(\%TeXpreamble,['header'],'\title');
add_keys_to_hash(\%TeXpreamble,['other'],'\thanks');
add_keys_to_hash(\%TeXpreamble,['xxx','xxx'],'\newcommand','\renewcommand');
add_keys_to_hash(\%TeXpreamble,['xxx','xxx','xxx'],'\newenvironment','\renewenvironment');
### In floats: include only specific macros
# Macros used to identify caption text within floats.
# Gets added to TeXmacro. Is used within floats only.
my %TeXfloatinc=('\caption'=>['otherword']);
### How many tokens to gobble after macro
# Each macro is assumed to gobble up a given number of
# tokens (or {...} groups), as well as options [...] before, within
# and after. The %TeXmacro hash gives a link from a macro
# (or beginNAME for environment with no the backslash)
# to either an integer giving the number of tokens to ignore
# or to an array (specified as [rule,rule,...]) of length N where
# N is the number of parameters to be read with the macro. The
# array values tell how each is to be interpreted (see the parser state
# keywords for valid values). Thus specifying a number N is
# equivalent to specifying an array of N 'ignore' rules.
#
# For macros not specified here, the default value is 0: i.e.
# no tokens are excluded, but [...] options are.
my %TeXmacro=(%TeXpreamble,%TeXfloatinc,%TeXpackageinc);
add_keys_to_hash(\%TeXmacro,['text'],
'\textnormal','\textrm','\textit','\textbf','\textsf','\texttt','\textsc','\textsl','\textup','\textmd',
'\makebox','\mbox','\framebox','\fbox','\uppercase','\lowercase','\textsuperscript','\textsubscript',
'\citetext');
add_keys_to_hash(\%TeXmacro,['[','text'],
'\item');
add_keys_to_hash(\%TeXmacro,['[','ignore'],
'\linebreak','\nolinebreak','\pagebreak','\nopagebreak');
add_keys_to_hash(\%TeXmacro,0,
'\maketitle','\indent','\noindent',
'\centering','\raggedright','\raggedleft','\clearpage','\cleardoublepage','\newline','\newpage',
'\smallskip','\medskip','\bigskip','\vfill','\hfill','\hrulefill','\dotfill',
'\normalsize','\small','\footnotesize','\scriptsize','\tiny','\large','\Large','\LARGE','\huge','\Huge',
'\normalfont','\em','\rm','\it','\bf','\sf','\tt','\sc','\sl',
'\rmfamily','\sffamily','\ttfamily','\upshape','\itshape','\slshape','\scshape','\mdseries','\bfseries',
'\selectfont',
'\tableofcontents','\listoftables','\listoffigures');
add_keys_to_hash(\%TeXmacro,1,
'\begin','\end',
'\documentclass','\documentstyle','\hyphenation','\pagestyle','\thispagestyle',
'\author','\date',
'\bibliographystyle','\bibliography','\pagenumbering','\markright',
'\includeonly','\includegraphics','\special',
'\label','\ref','\pageref','\bibitem',
'\eqlabel','\eqref','\hspace','\vspace','\addvspace',
'\newsavebox','\usebox',
'\newlength','\newcounter','\stepcounter','\refstepcounter','\usecounter',
'\fontfamily','\fontseries',
'\alph','\arabic','\fnsymbol','\roman','\value',
'\typeout', '\typein','\cline');
add_keys_to_hash(\%TeXmacro,2,
'\newfont','\newtheorem','\sbox','\savebox','\rule','\markboth',
'\setlength','\addtolength','\settodepth','\settoheight','\settowidth','\setcounter',
'\addtocontents','\addtocounter',
'\fontsize');
add_keys_to_hash(\%TeXmacro,3,'\multicolumn','\addcontentsline');
add_keys_to_hash(\%TeXmacro,6,'\DeclareFontShape');
add_keys_to_hash(\%TeXmacro,['[','text','ignore'],
'\cite','\nocite','\citep','\citet','\citeauthor','\citeyear','\citeyearpar',
'\citealp','\citealt','\Citep','\Citet','\Citealp','\Citealt','\Citeauthor');
add_keys_to_hash(\%TeXmacro,['ignore','text'],'\parbox','\raisebox');
add_keys_to_hash(\%TeXmacro,['otherword'],'\marginpar','\footnote','\footnotetext');
add_keys_to_hash(\%TeXmacro,['header'],
'\title','\part','\chapter','\section','\subsection','\subsubsection','\paragraph','\subparagraph');
add_keys_to_hash(\%TeXmacro,['xxx','xxx','text'],'\multicolumn');
add_keys_to_hash(\%TeXmacro,['xxx','xxx'],'\newcommand','\renewcommand');
add_keys_to_hash(\%TeXmacro,['xxx','xxx','xxx'],'\newenvironment','\renewenvironment');
### Environments
# The %TeXenvir hash provides content parsing rules (parser states).
# Environments that are not defined will be counted as the surrounding text.
#
# Parameters taken by the \begin{environment} are defined in %TeXmacro.
#
# Note that some environments may only exist within math-mode, and
# therefore need not be defined here: in fact, they should not as it
# is not clear if they will be in inlined or displayed math.
my %TeXenvir;
add_keys_to_hash(\%TeXenvir,'ignore',
'titlepage','tabbing','tabular','tabular*','thebibliography','lrbox');
add_keys_to_hash(\%TeXenvir,'text',
'document','letter','center','flushleft','flushright',
'abstract','quote','quotation','verse','minipage',
'description','enumerate','itemize','list',
'theorem','thm','lemma','definition','corollary','example','proof','pf');
add_keys_to_hash(\%TeXenvir,'inlinemath',
'math');
add_keys_to_hash(\%TeXenvir,'displaymath',
'displaymath','equation','equation*','eqnarray','eqnarray*','align','align*',);
add_keys_to_hash(\%TeXenvir,'float',
'float','picture','figure','figure*','table','table*');
add_keys_to_hash(\%TeXenvir,'xall',
'verbatim','tikzpicture');
# Environment parameters
my $PREFIX_ENVIR='begin'; # Prefix used for environment names
add_keys_to_hash(\%TeXmacro,1,
'beginthebibliography','beginlrbox','beginminipage');
add_keys_to_hash(\%TeXmacro,2,
'beginlist');
add_keys_to_hash(\%TeXmacro,['ignore'],
'beginletter');
add_keys_to_hash(\%TeXmacro,['xxx'],
'begintabular');
add_keys_to_hash(\%TeXmacro,['ignore','xxx'],
'begintabular*');
add_keys_to_hash(\%TeXmacro,['[','text'],
'begintheorem','beginthm','beginlemma','begindefinition','begincorollary','beginexample','beginproof','beginpf');
add_keys_to_hash(\%TeXmacro,['nooptions'],
'beginverbatim');
### Macros that should be counted as one or more words
# Macros that represent text may be declared here. The value gives
# the number of words the macro represents.
my %TeXmacrocount=('\LaTeX'=>1,'\TeX'=>1,'beginabstract'=>['header','headerword']);
### Macros for including tex files
# Allows \macro{file} or \macro file. If the value is 0, the filename will
# be used as is; if it is 1, the filetype .tex will be added if the
# filename is without filetype; if it is 2, the filetype .tex will be added.
my %TeXfileinclude=('\input'=>'input','\include'=>'texfile');
### Convert state keys to codes
convert_hash(\%TeXpreamble,\&keyarray_to_state);
convert_hash(\%TeXfloatinc,\&keyarray_to_state);
convert_hash(\%TeXmacro,\&keyarray_to_state);
convert_hash(\%TeXmacrocount,\&keyarray_to_cnt);
convert_hash(\%TeXenvir,\&key_to_state);
###### Define package specific rules
### Package rule definitions
my %PackageTeXpreamble=(); # TeXpreamble definitions per package
my %PackageTeXpackageinc=(); # TeXpackageinc definitions per package
my %PackageTeXfloatinc=(); # TeXfloatinc definitions per package
my %PackageTeXmacro=(); # TeXmacro definitions per package
my %PackageTeXmacrocount=(); # TeXmacrocount definitions per package
my %PackageTeXenvir=(); # TeXenvir definitions per package
my %PackageTeXfileinclude=(); # TeXfileinclude definitions per package
my %PackageSubpackage=(); # Subpackages to include (listed in array [...])
# Rules for bibliography inclusion
$PackageTeXmacrocount{'%incbib'}={'beginthebibliography'=>['header','hword']};
$PackageTeXmacro{'%incbib'}={'\bibliography'=>1};
$PackageTeXenvir{'%incbib'}={'thebibliography'=>'text'};
$PackageTeXfileinclude{'%incbib'}={'\bibliography'=>'<bbl>'};
# Rules for package alltt
$PackageTeXenvir{'alltt'}={
'alltt'=>'xall'};
# Rules for package babel
# NB: Only core macros implemented, those expected found in regular documents
$PackageTeXenvir{'babel'}={
'otherlanguage'=>'text','otherlanguage*'=>'text'};
$PackageTeXmacro{'babel'}={
'\selectlanguage'=>1,'\foreignlanguage'=>['ignore','text'],
'beginotherlanguage'=>1,'beginotherlanguage*'=>1};
# Rules for package color
$PackageTeXmacro{'color'}={
'\textcolor'=>['ignore','text'],'\color'=>1,'\pagecolor'=>1,'\normalcolor'=>0,
'\colorbox'=>['ignore','text'],'\fcolorbox'=>['ignore','ignore','text'],
'\definecolor'=>3,\'DefineNamedColor'=>4};
# Rules for package endnotes
$PackageTeXmacro{'endnotes'}={'\endnote'=>['oword'],'\endnotetext'=>['oword'],'\addtoendnotetext'=>['oword']};
# Rules for package fancyhdr
$PackageTeXmacro{'fancyhdr'}={
'\fancyhf'=>1,'\lhead'=>1,'\chead'=>1,'\rhead'=>1,'\lfoot'=>1,'\cfoot'=>1,'\rfoot'=>1};
# Rules for package geometry
$PackageTeXmacro{'geometry'}={
'\geometry'=>1,'\newgeometry'=>1,'\restoregeometry'=>0,,'\savegeometry'=>1,'\loadgeometry'=>1};
# Rules for package graphicx
$PackageTeXmacro{'graphicx'}={
'\DeclareGraphicsExtensions'=>1,'\graphicspath'=>1,
'\includegraphics'=>['[','ignore','ignore'],
'\includegraphics*'=>['[','ignore','[','ignore','[','ignore','ignore'],
'\rotatebox'=>1,'\scalebox'=>1,'\reflectbox'=>1,'\resizebox'=>1};
# Rules for package hyperref (urls themselves counted as one word)
# NB: \hyperref[label]{text} preferred over \hyperref{url}{category}{name}{text}
# NB: Macros for use in Form environments not implemented
$PackageTeXmacro{'hyperref'}={
'\hyperref'=>['[','ignore','text'],
'\url'=>1,'\nolinkurl'=>1,'\href'=>['ignore','text'],
'\hyperlink'=>['ignore','text'],'\hypertarget'=>['ignore','text'],
'\hyperbaseurl'=>1,'\hyperimage'=>['ignore','text'],'\hyperdef'=>['ignore','ignore','text'],
'\phantomsection'=>0,'\autoref'=>1,'\autopageref'=>1,
'\hypersetup'=>1,'\urlstyle'=>1,
'\pdfbookmark'=>2,'\currentpdfbookmark'=>2,'\subpdfbookmark'=>2,'\belowpdfbookmark'=>2,
'\pdfstringref'=>2,'\texorpdfstring'=>['text','ignore'],
'\hypercalcbp'=>1,'\Acrobatmenu'=>2};
$PackageTeXmacrocount{'hyperref'}={
'\url'=>1,'\nolinkurl'=>1};
# Rules for package import
$PackageTeXfileinclude{'import'}={
'\import'=>'dir file','\subimport'=>'subdir file',
'\inputfrom'=>'dir file','\subinputfrom'=>'subdir file',
'\includefrom'=>'dir file','\subincludefrom'=>'subdir file'};
# Rules for package inputenc
$PackageTeXmacro{'inputenc'}={
'\inputencoding'=>1};
# Rules for package listings
$PackageTeXenvir{'listings'}={'lstlisting'=>'xall'};
$PackageTeXmacro{'listings'}={'\lstset'=>['ignore'],'\lstinputlisting'=>['ignore']};
# Rules for package psfig
$PackageTeXmacro{'psfig'}={'\psfig'=>1};
# Rules for package sectsty
$PackageTeXmacro{'sectsty'}={
'\allsectionsfont'=>1,'\partfont'=>1,'\chapterfont'=>1,'\sectionfont'=>1,
'\subsectionfont'=>1,'\subsubsectionfont'=>1,'\paragraphfont'=>1,'\subparagraphfont'=>1,
'\minisecfont'=>1,'\partnumberfont'=>1,'\parttitlefont'=>1,'\chapternumberfont'=>1,
'\chaptertitlefont'=>1,'\nohang'=>0};
# Rules for package setspace
$PackageTeXenvir{'setspace'}={
'singlespace'=>'text','singlespace*'=>'text','onehalfspace'=>'text','doublespace'=>'text',
'spacing'=>'text'};
$PackageTeXmacro{'setspace'}={
'beginspacing'=>1,
'\singlespacing'=>0,'\onehalfspacing'=>0,'\doublespacing'=>0,
'\setstretch'=>1,'\SetSinglespace'=>1};
# Rules for package subfiles
$PackageTeXfileinclude{'subfiles'}={
'\subfile'=>'file'};
# Rules for package url
# NB: \url|...| variant not implemented, only \url{...}
# NB: \urldef{macro}{url} will not be counted
$PackageTeXmacro{'url'}={
'\url'=>1,'\urldef'=>2,'\urlstyle'=>1,'\DeclareUrlCommand'=>['ignore','xxx']};
$PackageTeXmacro{'setspace'}={
'\url'=>1};
# Rules for package wrapfig
$PackageTeXenvir{'wrapfig'}={
'wrapfigure'=>'float','wraptable'=>'float'};
$PackageTeXmacro{'wrapfig'}={
'beginwrapfigure'=>2,'beginwraptable'=>2};
# Rules for package xcolor (reimplements the color package)
# NB: only main macros (mostly from package color) included
$PackageTeXmacro{'xcolor'}={
'\textcolor'=>['ignore','text'],'\color'=>1,'\pagecolor'=>1,'\normalcolor'=>0,
'\colorbox'=>['ignore','text'],'\fcolorbox'=>['ignore','ignore','text'],
'\definecolor'=>3,\'DefineNamedColor'=>4,
'\colorlet'=>2};
###### Main script
###################################################
MAIN(@ARGV);
exit; # Just to make sure it ends here...
###################################################
#########
######### Main routines
#########
# MAIN ROUTINE: Handle arguments, then parse files
sub MAIN {
my @args;
push @args,@StartupOptions;
push @args,@_;
Initialise();
Check_Arguments(@args);
my @toplevelfiles=Parse_Arguments(@args);
Apply_Options();
if (scalar @toplevelfiles>0 || $fileFromSTDIN) {
if ($showVersion && !$htmlstyle && !($briefsum && $totalflag)) {
print "\n=== LaTeX word count (TeXcount version $versionnumber) ===\n\n";
}
conditional_print_style_list();
my $totalcount=Parse_file_list(@toplevelfiles);
conditional_print_total($totalcount);
Report_Errors();
if ($optionWordFreq || $optionWordClassFreq) {print_word_freq();}
if ($optionMacroStat) {print_macro_stat();}
} elsif ($showcodes>1) {
conditional_print_style_list();
} else {
error($Main,'No files specified.');
}
Close_Output();
}
# Initialise, overrule initial settings, etc.
sub Initialise {
_option_subcount();
# Windows settings
if ($^O eq 'MSWin32') {
} elsif ($^O=~/^MSWin/) {
#DELETE: do not overrule colour setting
option_ansi_colours(0);
}
}
# Check arguments, exit on exit condition
sub Check_Arguments {
my @args=@_;
my $arg=$args[0];
if (!@args) {
print_version();
print_short_help();
exit;
} elsif ($arg=~/^(--?(h|\?|help)|\/(\?|h))$/) {
print_help();
exit;
} elsif ($arg=~/^(--?(h|\?|help)|\/(\?|h))=(.*)$/) {
print_help_on_rule($4);
exit;
} elsif ($arg=~/^(--?(h|\?|help)|\/(\?|h))-?(opt|options?)$/) {
print_syntax();
exit;
} elsif ($arg=~/^(--?(h|\?|help)|\/(\?|h))-?(opt|options?)=(.*)$/) {
print_syntax_subset($5);
exit;
} elsif ($arg=~/^(--?(h|\?|help)|\/(\?|h))-?(styles?)$/) {
print_help_on_styles();
exit;
} elsif ($arg=~/^(--?(h|\?|help)|\/(\?|h))-?(styles?)=(\w+)$/) {
print_help_on_styles($5);
exit;
} elsif ($arg=~/^--?(ver|version)$/) {
print_version();
exit;
} elsif ($arg=~/^--?(lic|license|licence)$/) {
print_license();
exit;
}
return 1;
}
# Parse arguments, set options (global) and return file list
sub Parse_Arguments {
my @args=@_;
my @files;
foreach my $arg (@args) {
if (parse_option($arg)) {next;}
if ($arg=~/^\-/) {
print "Invalid opton $arg \n\n";
print_short_help();
exit;
}
$arg=~s/\\/\//g;
push @files,$arg;
}
return @files;
}
# Parse individual option parameters
sub parse_option {
my $arg=shift @_;
return parse_options_preset($arg)
|| parse_options_parsing($arg)
|| parse_options_counts($arg)
|| parse_options_output($arg)
|| parse_options_format($arg)
;
}
# Parse presetting options
sub parse_options_preset {
my $arg=shift @_;
if ($arg=~/^-(opt|option|options|optionfile)=(.*)$/) {
_parse_optionfile($2);
}
else {return 0;}
return 1;
}
# Parse parsing options
sub parse_options_parsing {
my $arg=shift @_;
if ($arg eq '-') {$fileFromSTDIN=1;}
elsif ($arg eq '-merge') {$includeTeX=2;}
elsif ($arg eq '-inc') {$includeTeX=1;}
elsif ($arg eq '-noinc') {$includeTeX=0;}
elsif ($arg =~/^-(includepackage|incpackage|package|pack)=(.*)$/) {include_package($2);}
elsif ($arg eq '-incbib') {$includeBibliography=1;}
elsif ($arg eq '-nobib') {$includeBibliography=0;}
elsif ($arg eq '-dir') {$globalworkdir=undef;}
elsif ($arg=~/^-dir=(.*)$/) {
$globalworkdir=$1;
$globalworkdir=~s:([^\/\\])$:$1\/:;
}
elsif ($arg eq '-auxdir') {$auxdir=undef;}
elsif ($arg=~/^-auxdir=(.*)$/) {
$auxdir=$1;
$auxdir=~s:([^\/\\])$:$1\/:;
}
elsif ($arg =~/^-(enc|encode|encoding)=(.+)$/) {$encoding=$2;}
elsif ($arg =~/^-(utf8|unicode)$/) {$encoding='utf8';}
elsif ($arg =~/^-(alpha(bets?)?)=(.*)$/) {set_script_options(\@AlphabetScripts,$3);}
elsif ($arg =~/^-(logo(grams?)?)=(.*)$/) {set_script_options(\@LogogramScripts,$3);}
elsif ($arg =~/^-([-a-z]+)$/ && set_language_option($1)) {}
elsif ($arg eq '-relaxed') {
$MacroOptionPattern=$NamedMacroOptionPattern{'relaxed'};
$LetterPattern=$NamedLetterPattern{'relaxed'};
}
elsif ($arg eq '-restricted') {
$MacroOptionPattern=$NamedMacroOptionPattern{'restricted'};
$LetterPattern=$NamedLetterPattern{'restricted'};
}
else {return 0;}
return 1;
}
# Parse count and summation options
sub parse_options_counts {
my $arg=shift @_;
if ($arg =~/^-sum(=(.+))?$/) {_option_sum($2);}
elsif ($arg =~/^-nosum/) {@sumweights=();}
elsif ($arg =~/^-(sub|subcounts?)(=(.+))?$/) {_option_subcount($3);}
elsif ($arg =~/^-(nosub|nosubcounts?)/) {$showsubcounts=0;}
elsif ($arg eq '-freq') {$optionWordFreq=1;}
elsif ($arg =~/^-freq=(\d+)$/) {$optionWordFreq=$1;}
elsif ($arg eq '-stat') {$optionWordClassFreq=1;}
elsif ($arg =~/^-macro-?(stat|freq)$/) {$optionMacroStat=1;}
else {return 0;}
return 1;
}
# Apply sum option
sub _option_sum {
my $arg=shift @_;
if (!defined $arg) {
@sumweights=(0,1,1,1,0,0,1,1);
} elsif ($arg=~/^(\d+(\.\d*)?(,\d+(\.\d*)?){0,6})$/) {
@sumweights=(0,split(',',$1));