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Add Index Cross-referencing HTML links #1275

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Nov 19, 2023
Merged

Add Index Cross-referencing HTML links #1275

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51 changes: 37 additions & 14 deletions src/lib/Guiguts/ErrorCheck.pm
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,13 @@ my $ENDMSG = "Check is complete:";
# Handles Bookloupe, Jeebies, HTML & CSS Validate, Tidy, Link Check,
# Unmatched Tag/Brackets/Double Quotes/Block Checks
# pphtml, pptxt, ppvimage, Spell Query, EPUBCheck,
# Illustration Fixup, Sidenote Fixup and Load External Checkfile.
# Illustration Fixup, Sidenote Fixup, Error List and Load External Checkfile.
sub errorcheckpop_up {
my ( $textwindow, $top, $errorchecktype ) = @_;
my ( $textwindow, $top, $errorchecktype, $errorlist_ref ) = @_;
my ( $line, $lincol );

return if $errorchecktype eq 'Error List' and not( $errorlist_ref and @$errorlist_ref );

errorchecksettype($errorchecktype);
::hidepagenums();
$textwindow->tagRemove( 'highlight', '1.0', 'end' ); # Remove any previous highlighting
Expand Down Expand Up @@ -60,16 +62,18 @@ sub errorcheckpop_up {
)->grid( -padx => 0, -row => 1, -column => $gcol++ );
}

# All types have a button to re-run the check
my $buttonlabel = 'Run Checks';
$buttonlabel = 'Load Checkfile' if $errorchecktype eq 'Load Checkfile';
my $opsbutton = $ptopframeb->Button(
-command => sub {
errorcheckpop_up( $textwindow, $top, $errorchecktype );
},
-text => $buttonlabel,
-width => 16
)->grid( -padx => 10, -row => 0, -column => $gcol++ );
# All types except Error List have a button to re-run the check
if ( $errorchecktype ne 'Error List' ) {
my $buttonlabel = 'Run Checks';
$buttonlabel = 'Load Checkfile' if $errorchecktype eq 'Load Checkfile';
my $opsbutton = $ptopframeb->Button(
-command => sub {
errorcheckpop_up( $textwindow, $top, $errorchecktype );
},
-text => $buttonlabel,
-width => 16
)->grid( -padx => 10, -row => 0, -column => $gcol++ );
}

# Spell Query bad word count sits under the Run Checks button
if ( $errorchecktype eq 'Spell Query' ) {
Expand Down Expand Up @@ -366,7 +370,7 @@ sub errorcheckpop_up {
$tmpfname =~ s/tmp$/xhtml/ if $errorchecktype eq 'Nu XHTML Check';
$errname = $d . 'errors.err';

if ( errorcheckrun( $errorchecktype, $tmpfname, $errname ) ) { # exit if error check failed to run
if ( errorcheckrun( $errorchecktype, $tmpfname, $errname, $errorlist_ref ) ) { # exit if error check failed to run
::killpopup('errorcheckpop');
::working();
return;
Expand All @@ -378,6 +382,7 @@ sub errorcheckpop_up {
and $errorchecktype ne "Spell Query"
and $errorchecktype ne "Illustration Fixup"
and $errorchecktype ne "Sidenote Fixup"
and $errorchecktype ne "Error List"
and $errorchecktype ne "Load Checkfile"
and $errorchecktype ne "Nu HTML Check"
and $errorchecktype ne "Nu XHTML Check"
Expand Down Expand Up @@ -778,7 +783,7 @@ sub ignorequery {
# temporary file, and any errors will be written to an error file
# to be processed later
sub errorcheckrun {
my ( $errorchecktype, $tmpfname, $errname ) = @_;
my ( $errorchecktype, $tmpfname, $errname, $errorlist_ref ) = @_;
my $textwindow = $::textwindow;
my $top = $::top;
::operationadd("$errorchecktype");
Expand Down Expand Up @@ -844,6 +849,7 @@ sub errorcheckrun {
and $errorchecktype ne 'Unmatched Brackets'
and $errorchecktype ne 'Unmatched Double Quotes'
and $errorchecktype ne 'Unmatched Block Markup'
and $errorchecktype ne 'Error List'
and $errorchecktype ne 'Illustration Fixup'
and $errorchecktype ne 'Sidenote Fixup' ) { # No external tool, so no temp file needed
savetoerrortmpfile( $tmpfname, $striptext );
Expand Down Expand Up @@ -891,6 +897,8 @@ sub errorcheckrun {
unmatcheddoublequotesrun($errname);
} elsif ( $errorchecktype eq 'Unmatched Block Markup' ) {
unmatchedblockrun($errname);
} elsif ( $errorchecktype eq 'Error List' ) {
errorlistrun( $errname, $errorlist_ref );
}
$top->Unbusy;
unlink $tmpfname unless $errorchecktype eq 'EPUBCheck'; # Don't delete the epub file
Expand Down Expand Up @@ -1771,6 +1779,21 @@ sub booklouperun {
}
} # end of variable-enclosing block

#
# No actual error checking - routine is given a list of errors, and just outputs
# them to the error file so main code can load and process it
sub errorlistrun {
my $errname = shift; # output filename
my $errorlist_ref = shift; # reference to list of errors

open my $logfile, ">", $errname or die "Error opening Error List output file: $errname";
for my $line (@$errorlist_ref) {
utf8::encode($line);
print $logfile "$line\n";
}
close $logfile;
}

#
# Check that all relevant opening items have a matching close item
# and vice versa
Expand Down
170 changes: 154 additions & 16 deletions src/lib/Guiguts/HTMLConvert.pm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,11 @@ use warnings;

my $EMPX = 16.0; # 1em in px assumed to be 16
my ( $LANDX, $LANDY ) = ( 4, 3 ); # Common aspect ratio of landscape screen
my $IDXXREFPREFIX = 'Indexxref_'; # ID Prefix used for index cross-references
my $LDQ = "\x{201c}";
my $RDQ = "\x{201d}";
my $LSQ = "\x{2018}";
my $RSQ = "\x{2019}";

BEGIN {
use Exporter();
Expand All @@ -15,7 +20,7 @@ BEGIN {
qw(&htmlautoconvert &htmlgenpopup &htmlmarkpopup &makeanchor &autoindex &entity &named &tonamed
&fromnamed &fracconv &pageadjust &html_convert_pageanchors
&latex_quotes_convert &latex_preview_select &latex_preview_select_view &latex_svg_convert &latex_svg_convert_view
&latex_undo_autogen &latex_pagesep_convert);
&latex_undo_autogen &latex_pagesep_convert &indexxref);
}

#
Expand Down Expand Up @@ -2733,11 +2738,16 @@ sub htmlmarkpopup {
)->grid( -row => 1, -column => 2, -padx => 1, -pady => 2 );

my $f3 = $::lglobal{markpop}->Frame->pack( -side => 'top', -anchor => 'n' );
$f3->Button(
-command => sub { ::indexxref() },
-text => 'Add Index Cross-references',
-width => 24
)->grid( -row => 1, -column => 1, -padx => 1, -pady => 2 );
$f3->Button(
-command => sub { clearmarkupinselection() },
-text => 'Remove Markup from Selection',
-width => 24
)->grid( -row => 1, -column => 1, -padx => 1, -pady => 2 );
)->grid( -row => 1, -column => 2, -padx => 1, -pady => 2 );

::initialize_popup_with_deletebinding('markpop');
}
Expand Down Expand Up @@ -3001,11 +3011,12 @@ sub markup {
$linklistbox->delete( '0', 'end' );
linkpopulate( $linklistbox, \@intanchors );
},
)->pack(
-side => 'left',
)->grid(
-row => 0,
-column => 0,
-pady => 2,
-padx => 2,
-anchor => 'n'
-sticky => 'w'
);
$tframe->Checkbutton(
-variable => \$::lglobal{fnlinks},
Expand All @@ -3014,11 +3025,12 @@ sub markup {
$linklistbox->delete( '0', 'end' );
linkpopulate( $linklistbox, \@intanchors );
},
)->pack(
-side => 'left',
)->grid(
-row => 0,
-column => 1,
-pady => 2,
-padx => 2,
-anchor => 'n'
-sticky => 'w'
);
$tframe->Checkbutton(
-variable => \$::lglobal{pglinks},
Expand All @@ -3027,11 +3039,26 @@ sub markup {
$linklistbox->delete( '0', 'end' );
linkpopulate( $linklistbox, \@intanchors );
},
)->pack(
-side => 'left',
)->grid(
-row => 1,
-column => 0,
-pady => 2,
-padx => 2,
-anchor => 'n'
-sticky => 'w'
);
$tframe->Checkbutton(
-variable => \$::lglobal{idxlinks},
-text => 'Hide Index Links',
-command => sub {
$linklistbox->delete( '0', 'end' );
linkpopulate( $linklistbox, \@intanchors );
},
)->grid(
-row => 1,
-column => 1,
-pady => 2,
-padx => 2,
-sticky => 'w'
);
my $pframe = $::lglobal{linkpop}->Frame->pack( -fill => 'both', -expand => 'both' );
$linklistbox = $pframe->Scrolled(
Expand Down Expand Up @@ -3072,6 +3099,7 @@ sub markup {
&& $::lglobal{fnlinks} );
next
if ( ( $_ =~ /#$::htmllabels{pglabel}/ ) && $::lglobal{pglinks} );
next if ( ( $_ =~ /#$IDXXREFPREFIX/ ) && $::lglobal{idxlinks} );
next unless ( lc($_) eq '#' . $tempvar );
$linklistbox->insert( 'end', $_ );
$flag++;
Expand All @@ -3094,6 +3122,7 @@ sub markup {

next
if ( ( $_ =~ /#$::htmllabels{pglabel}/ ) && $::lglobal{pglinks} );
next if ( ( $_ =~ /#$IDXXREFPREFIX/ ) && $::lglobal{idxlinks} );
next
unless ( $entrarray[0]
and lc($_) =~ /\Q$entrarray[0]\E|\Q$entrarray[1]\E|\Q$entrarray[2]\E/ );
Expand Down Expand Up @@ -3595,6 +3624,7 @@ sub linkpopulate {
if ( ( ( $_ =~ /#$::htmllabels{fnlabel}/ ) || ( $_ =~ /#$::htmllabels{fnanchor}/ ) )
&& $::lglobal{fnlinks} );
next if ( ( $_ =~ /#$::htmllabels{pglabel}/ ) && $::lglobal{pglinks} );
next if ( ( $_ =~ /#$IDXXREFPREFIX/ ) && $::lglobal{idxlinks} );
$linklistbox->insert( 'end', $_ );
}
} else {
Expand All @@ -3603,6 +3633,7 @@ sub linkpopulate {
if ( ( ( $_ =~ /#$::htmllabels{fnlabel}/ ) || ( $_ =~ /#$::htmllabels{fnanchor}/ ) )
&& $::lglobal{fnlinks} );
next if ( ( $_ =~ /#$::htmllabels{pglabel}/ ) && $::lglobal{pglinks} );
next if ( ( $_ =~ /#$IDXXREFPREFIX/ ) && $::lglobal{idxlinks} );
$linklistbox->insert( 'end', $_ );
}
}
Expand Down Expand Up @@ -4200,14 +4231,122 @@ sub addpagelinks {
return $selection;
}

#
# Find "See xyz" cross-references in index, and link to relevant index entries if possible
sub indexxref {
my $textwindow = $::textwindow;
my @ranges = $textwindow->tagRanges('sel');
$textwindow->tagRemove( 'sel', '1.0', 'end' );
my $range_total = @ranges;
if ( $range_total == 0 ) {
$::top->messageBox(
-icon => 'error',
-message => "Select whole index before running cross-reference tool.",
-title => 'No text selected',
-type => 'Ok',
);
return;
}

my $indexend = pop(@ranges);
$textwindow->markSet( 'indexendmark', $indexend ); # Since row/col of indexend will change during insertions
my $indexstart = pop(@ranges);

my $SEESTR = '(also )*see'; # Change this if needed for different languages
my $SEESTRLEN = length($SEESTR); # Approx length just used for advancing search position
my $seepos = $indexstart;
my $seesawnum = 1;
my $IDXERRMARK = 'indexerr';
my $idxerrnum = 1;
my %idxerrmsg = ();

# Loop to end of index
while ( $textwindow->compare( $seepos, "<", $indexend ) ) {

# Find "See" - exit loop if not found
my $seelen;
$seepos =
$textwindow->search( '-regexp', '-nocase', '-count', \$seelen, '--', "\\b$SEESTR\\b",
"$seepos+${SEESTRLEN}c", 'indexendmark' );
last unless $seepos;

# Grab the string describing what to "See", trimming HTML tags and non-word characters
my $see = $textwindow->get( "$seepos+${seelen}c", "$seepos lineend" );
$see =~ s/ *<[^>]+> *//g;
$see =~ s/^\W*//;
$see =~ s/\W*$//;

# Find the text we want to enclose in <a>...</a>, and set marks in case we insert text before this point
my $len;
my $seeexactpos =
$textwindow->search( '-regexp', '-nocase', '-count', \$len, '--', "\\b$see\\b",
"$seepos+${seelen}c", "$seepos lineend" );

# Mark location of error and store message - shouldn't happen with well-formed index
unless ( $seeexactpos and $len > 0 ) {
my $idxerr = $IDXERRMARK . $idxerrnum++;
$textwindow->markSet( $idxerr, $seepos );
$idxerrmsg{$idxerr} = "Couldn't interpret 'See $see'";
next;
}
$seepos = $seeexactpos;
$textwindow->markSet( 'indexseestart', $seepos );
$textwindow->markSet( 'indexseeend', "$seepos +${len}c" );

# Find the target of the See with/without leading "The "
my $sawpos;
my $seethe = $see;
$seethe =~ s/^The *//i;
for my $seestr ( $see, $seethe ) {
last
if $sawpos =
$textwindow->search( '-regexp', '-nocase', '--',
"<li class=[^>]+>(<[^>]+>|[\"'$LDQ$RDQ$LSQ$RSQ ])*\\b$seestr\\b",
$indexstart, 'indexendmark' );
}

my $chkid;
if ($sawpos) {
$chkid = $textwindow->get( $sawpos, "$sawpos lineend" );
$chkid = undef unless $chkid =~ s/<li class=.+id=["']([^"']+)["'].*/$1/;
} else { # Target not found - Mark location of error and store message
my $idxerr = $IDXERRMARK . $idxerrnum++;
$textwindow->markSet( $idxerr, 'indexseestart' );
$idxerrmsg{$idxerr} = "'$see' target not found";
next;
}

# Find and mark closing ">" for target's list start tag
$sawpos =
$textwindow->search( '-regexp', '-nocase', '--', ">", $sawpos, "$sawpos lineend" );
$textwindow->markSet( 'indexsawpoint', $sawpos );

my $id = $chkid // "${IDXXREFPREFIX}$seesawnum"; # Using existing id if there is one
$textwindow->insert( 'indexseestart', "<a href=\"#$id\">" );
$textwindow->insert( 'indexseeend', "</a>" );
unless ($chkid) { # No need to add id if an existing one
$textwindow->insert( 'indexsawpoint', " id=\"$id\"" );
$seesawnum++;
}
}

# inform user of any errors, now there is no more insertion to do
if (%idxerrmsg) {
my @errorlist = ();
for my $errmark ( keys %idxerrmsg ) {
my $idx = $textwindow->index($errmark);
$idx =~ s/\./:/;
push( @errorlist, "$idx - " . $idxerrmsg{$errmark} . "\n" );
$textwindow->markUnset($errmark);
}
::errorcheckpop_up( $textwindow, $::top, 'Error List', \@errorlist );
}
}

#############################
# LaTeX conversion routines #
#############################

my $LDQ = "\x{201c}";
my $RDQ = "\x{201d}";
my $LSQ = "\x{2018}";
my $RSQ = "\x{2019}";
my $LDL = "``";
my $RDL = "''";
my $LSL = "`";
Expand Down Expand Up @@ -4634,5 +4773,4 @@ sub warnifconversionerror {
close $fh;
}
}

1;
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