BEGIN {
# some initialization variables
asciiart="no";
wasset="no";
lineset=0;
sample="no";
while ( getline ti <"tags.ref" > 0 ) {
nf=split(ti,tag," ");
tagkey[tag[1]]="yes";tagref[tag[1]]=tag[2];
}
skip_word["and"]="yes";
skip_word["backspace"]="yes";
skip_word["beep"]="yes";
skip_word["bugs"]="yes";
skip_word["da"]="yes";
skip_word["end"]="yes";
skip_word["ftp"]="yes";
skip_word["go"]="yes";
skip_word["help"]="yes";
skip_word["home"]="yes";
skip_word["news"]="yes";
skip_word["index"]="yes";
skip_word["insert"]="yes";
skip_word["into"]="yes";
skip_word["put"]="yes";
skip_word["reference"]="yes";
skip_word["section"]="yes";
skip_word["space"]="yes";
skip_word["starting"]="yes";
skip_word["toggle"]="yes";
skip_word["various"]="yes";
skip_word["version"]="yes";
skip_word["is"]="yes";
}
#
# protect special chars
#
/[><&á]/ {gsub(/&/,"\\&");gsub(/>/,"\\>");gsub(/ 0 { sample = "no" }
#
# sample lines printed bold unless empty...
#
sample == "yes" && $0 =="" { print ""; next; }
sample == "yes" && $0 !="" { print "" $0 ""; next; }
#
# start of sample lines in next line
#
$0 == ">" { sample = "yes"; print ""; next; }
substr($0,length($0)-4,5) == " >" { sample = "yes"; gsub(/ >$/, ""); }
#
# header lines printed bold, colored
#
substr($0,length($0),1) == "~" { print "" substr($0,1,length($0)-1) ""; next; }
#
#ad hoc code
#
/^"\|\& / {gsub(/\|/,"\\|"); }
/ = b / {gsub(/ b /," \\b "); }
#
# one letter tag
#
/[ ]\*.\*[ ]/ {gsub(/\*/,"ZWWZ"); }
#
# isolated "*"
#
/[ ]\*[ ]/ {gsub(/ \* /," \\* ");
gsub(/ \* /," \\* ");
gsub(/ \* /," \\* ");
gsub(/ \* /," \\* "); }
#
# tag start
#
/[ ]\*[^ ]/ {gsub(/ \*/," ZWWZ");gsub(/ \*/," ZWWZ");}
/^\*[^ ]/ {gsub(/^\*/,"ZWWZ");}
#
# tag end
#
/[^ ]\*$/ {gsub(/\*$/,"ZWWZ");}
/[^ \/ ]\*[ ]/ {gsub(/\*/,"ZWWZ");}
#
# isolated "|"
#
/[ ]\|[ ]/ {gsub(/ \| /," \\| ");
gsub(/ \| /," \\| ");
gsub(/ \| /," \\| ");
gsub(/ \| /," \\| "); }
/'\|'/ { gsub(/'\|'/,"'\\|'"); }
/\^V\|/ {gsub(/\^V\|/,"^V\\|");}
/ \\\| / {gsub(/\|/,"\\|");}
#
# one letter pipes and "||" false pipe (digraphs)
#
/[ ]\|.\|[ ]/ && asciiart == "no" {gsub(/\|/,"YXXY"); }
/^\|.\|[ ]/ {gsub(/\|/,"YXXY"); }
/\|\|/ {gsub(/\|\|/,"\\|\\|"); }
/^shellpipe/ {gsub(/\|/,"\\|"); }
#
# pipe start
#
/[ ]\|[^ ]/ && asciiart == "no" {gsub(/ \|/," YXXY");
gsub(/ \|/," YXXY");}
/^\|[^ ]/ {gsub(/^\|/,"YXXY");}
#
# pipe end
#
/[^ ]\|$/ && asciiart == "no" {gsub(/\|$/,"YXXY");}
/[^ ]\|[s ,.); ]/ && asciiart == "no" {gsub(/\|/,"YXXY");}
/[^ ]\|]/ && asciiart == "no" {gsub(/\|/,"YXXY");}
#
# various
#
/'"/ {gsub(/'"/,"\\'\\"'");}
/"/ {gsub(/"/,"\\"");}
/%/ {gsub(/%/,"\\%");}
NR == 1 { nf=split(FILENAME,f,".")
print "";
print ""
if ( FILENAME == "mbyte.txt" ) {
# needs utf-8 as uses many languages
print "";
} else {
# common case - Latin1
print "";
}
print "Vim documentation: " f[1] "";
print "";
print "";
print "Vim documentation: " f[1] "
";
print "";
if ( FILENAME != "help.txt" ) {
print "main help file\n";
}
print "
";
print "";
filename=f[1]".html";
}
# set to a low value to test for few lines of text
# NR == 99999 { exit; }
# ignore underlines and tags
substr($0,1,5) == " vim:" { next; }
substr($0,1,4) == "vim:" { next; }
# keep just whole lines of "-", "="
substr($0,1,3) == "===" && substr($0,75,1) != "=" { next; }
substr($0,1,3) == "---" && substr($0,75,1) != "-" { next; }
{
nstar = split($0,s,"ZWWZ");
for ( i=2 ; i <= nstar ; i=i+2 ) {
nbla=split(s[i],blata,"[ ]");
if ( nbla > 1 ) {
gsub("ZWWZ","*");
nstar = split($0,s,"ZWWZ");
}
}
npipe = split($0,p,"YXXY");
for ( i=2 ; i <= npipe ; i=i+2 ) {
nbla=split(p[i],blata,"[ ]");
if ( nbla > 1 ) {
gsub("YXXY","|");
ntabs = split($0,p,"YXXY");
}
}
}
FILENAME == "gui.txt" && asciiart == "no" \
&& $0 ~ /\+----/ && $0 ~ /----\+/ {
asciiart= "yes";
asciicnt=0;
}
FILENAME == "quotes.txt" && asciiart == "no" \
&& $0 ~ /In summary:/ {
asciiart= "yes";
asciicnt=0;
}
FILENAME == "usr_20.txt" && asciiart == "no" \
&& $0 ~ /an empty line at the end:/ {
asciiart= "yes";
asciicnt=0;
}
asciiart == "yes" && $0=="" { asciicnt++; }
asciiart == "yes" && asciicnt == 2 { asciiart = "no"; }
asciiart == "yes" { npipe = 1; }
# { print NR " <=> " asciiart; }
#
# line contains "*"
#
nstar > 2 && npipe < 3 {
printf("\n");
for ( i=1; i <= nstar ; i=i+2 ) {
this=s[i];
put_this();
ii=i+1;
nbla = split(s[ii],blata," ");
if ( ii <= nstar ) {
if ( nbla == 1 && substr(s[ii],length(s[ii]),1) != " " ) {
printf("*",s[ii]);
printf("%s*",s[ii]);
} else {
printf("*%s*",s[ii]);
}
}
}
printf("\n");
next;
}
#
# line contains "|"
#
npipe > 2 && nstar < 3 {
if ( npipe%2 == 0 ) {
for ( i=1; i < npipe ; i++ ) {
gsub("ZWWZ","*",p[i]);
printf("%s|",p[i]);
}
printf("%s\n",p[npipe]);
next;
}
for ( i=1; i <= npipe ; i++ )
{
if ( i % 2 == 1 ) {
gsub("ZWWZ","*",p[i]);
this=p[i];
put_this();
}
else {
nfn=split(p[i],f,".");
if ( nfn == 1 || f[2] == "" || f[1] == "" || length(f[2]) < 3 ) {
find_tag1();
}
else {
printf "|" p[i] "|";
}
}
}
printf("\n");
next;
}
#
# line contains both "|" and "*"
#
npipe > 2 && nstar > 2 {
printf("\n");
for ( j=1; j <= nstar ; j=j+2 ) {
npipe = split(s[j],p,"YXXY");
if ( npipe > 1 ) {
for ( np=1; np<=npipe; np=np+2 ) {
this=p[np];
put_this();
i=np+1;find_tag1();
}
} else {
this=s[j];
put_this();
}
jj=j+1;
nbla = split(s[jj],blata," ");
if ( jj <= nstar && nbla == 1 && s[jj] != "" ) {
printf("*",s[jj]);
printf("%s*",s[jj]);
} else {
if ( s[jj] != "" ) {
printf("*%s*",s[jj]);
}
}
}
printf("\n");
next;
}
#
# line contains e-mail address john.doe@some.place.edu
#
$0 ~ /@/ && $0 ~ /[a-zA-Z0-9]@[a-z]/ \
{
nemail=split($0,em," ");
if ( substr($0,1,1) == " " ) { printf(" "); }
for ( i=1; i <= nemail; i++ ) {
if ( em[i] ~ /@/ ) {
if ( substr(em[i],2,3) == "lt;" && substr(em[i],length(em[i])-2,3) == "gt;" ) {
mailaddr=substr(em[i],5,length(em[i])-8);
printf("<%s> ",mailaddr,mailaddr);
} else {
if ( substr(em[i],2,3) == "lt;" && substr(em[i],length(em[i])-3,3) == "gt;" ) {
mailaddr=substr(em[i],5,length(em[i])-9);
printf("<%s>%s ",mailaddr,mailaddr,substr(em[i],length(em[i]),1));
} else {
printf("%s ",em[i],em[i]);
}
}
} else {
printf("%s ",em[i]);
}
}
#print "*** " NR " " FILENAME " - possible mail ref";
printf("\n");
next;
}
#
# line contains http / ftp reference
#
$0 ~ /http:\/\// || $0 ~ /ftp:\/\// {
gsub("URL:","");
gsub("<","");
gsub(">","");
gsub("\\(","");
gsub("\\)","");
nemail=split($0,em," ");
for ( i=1; i <= nemail; i++ ) {
if ( substr(em[i],1,5) == "http:" ||
substr(em[i],1,4) == "ftp:" ) {
if ( substr(em[i],length(em[i]),1) != "." ) {
printf(" %s",em[i],em[i]);
} else {
em[i]=substr(em[i],1,length(em[i])-1);
printf(" %s.",em[i],em[i]);
}
} else {
printf(" %s",em[i]);
}
}
#print "*** " NR " " FILENAME " - possible http ref";
printf("\n");
next;
}
#
# some lines contains just one "almost regular" "*"...
#
nstar == 2 {
this=s[1];
put_this();
printf("*");
this=s[2];
put_this();
printf("\n");
next;
}
#
# regular line
#
{ ntabs = split($0,tb," ");
for ( i=1; i < ntabs ; i++) {
this=tb[i];
put_this();
printf(" ");
}
this=tb[ntabs];
put_this();
printf("\n");
}
asciiart == "yes" && $0 ~ /\+-\+--/ \
&& $0 ~ "scrollbar" { asciiart = "no"; }
END {
topback();
print "\n\n\n\n"; }
#
# as main we keep index.txt (by default)
# other candidate, help.txt
#
function topback () {
if ( FILENAME != "tags" ) {
if ( FILENAME != "help.txt" ) {
printf("top - ");
printf("main help file\n");
} else {
printf("top\n");
}
}
}
function find_tag1() {
if ( p[i] == "" ) { return; }
if ( tagkey[p[i]] == "yes" ) {
which=tagref[p[i]];
put_href();
return;
}
# if not found, then we have a problem
print "============================================" >>"errors.log";
print FILENAME ", line " NR ", pointer: >>" p[i] "<<" >>"errors.log";
print $0 >>"errors.log";
which="intro.html";
put_href();
}
function see_tag() {
# ad-hoc code:
if ( atag == "\"--" || atag == "--\"" ) { return; }
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
allow_one_char="no";
find_tag2();
if ( done == "yes" ) { return; }
rightchar=substr(atag,length(atag),1);
if ( rightchar == "." \
|| rightchar == "," \
|| rightchar == ":" \
|| rightchar == ";" \
|| rightchar == "!" \
|| rightchar == "?" \
|| rightchar == ")" ) {
atag=substr(atag,1,length(atag)-1);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
find_tag2();
if ( done == "yes" ) { printf("%s",rightchar);return; }
leftchar=substr(atag,1,1);
lastbut1=substr(atag,length(atag),1);
if ( leftchar == "'" && lastbut1 == "'" ) {
allow_one_char="yes";
atag=substr(atag,2,length(atag)-2);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
printf("%s",leftchar);
aword=substr(atag,1,length(atag))""lastbut1""rightchar;
find_tag2();
if ( done == "yes" ) { printf("%s%s",lastbut1,rightchar);return; }
}
}
atag=aword;
leftchar=substr(atag,1,1);
if ( leftchar == "'" && rightchar == "'" ) {
allow_one_char="yes";
atag=substr(atag,2,length(atag)-2);
if ( atag == "<" ) { printf(" |%s|%s| ",atag,p[2]); }
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
printf("%s",leftchar);
find_tag2();
if ( done == "yes" ) { printf("%s",rightchar);return; }
printf("%s%s",atag,rightchar);
return;
}
last2=substr(atag,length(atag)-1,2);
first2=substr(atag,1,2);
if ( first2 == "('" && last2 == "')" ) {
allow_one_char="yes";
atag=substr(atag,3,length(atag)-4);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
printf("%s",first2);
find_tag2();
if ( done == "yes" ) { printf("%s",last2);return; }
printf("%s%s",atag,last2);
return;
}
if ( last2 == ".)" ) {
atag=substr(atag,1,length(atag)-2);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
find_tag2();
if ( done == "yes" ) { printf("%s",last2);return; }
printf("%s%s",atag,last2);
return;
}
if ( last2 == ")." ) {
atag=substr(atag,1,length(atag)-2);
find_tag2();
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
if ( done == "yes" ) { printf("%s",last2);return; }
printf("%s%s",atag,last2);
return;
}
first6=substr(atag,1,6);
last6=substr(atag,length(atag)-5,6);
if ( last6 == atag ) {
printf("%s",aword);
return;
}
last6of7=substr(atag,length(atag)-6,6);
if ( first6 == """ && last6of7 == """ && length(atag) > 12 ) {
allow_one_char="yes";
atag=substr(atag,7,length(atag)-13);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
printf("%s",first6);
find_tag2();
if ( done == "yes" ) { printf(""%s",rightchar); return; }
printf("%s"%s",atag,rightchar);
return;
}
if ( first6 == """ && last6 != """ ) {
allow_one_char="yes";
atag=substr(atag,7,length(atag)-6);
if ( atag == "[" ) { printf(""%s",atag); return; }
if ( atag == "." ) { printf(""%s",atag); return; }
if ( atag == ":" ) { printf(""%s",atag); return; }
if ( atag == "a" ) { printf(""%s",atag); return; }
if ( atag == "A" ) { printf(""%s",atag); return; }
if ( atag == "g" ) { printf(""%s",atag); return; }
if_already();
if ( already == "yes" ) {
printf(""%s",atag);
return;
}
printf("%s",first6);
find_tag2();
if ( done == "yes" ) { return; }
printf("%s",atag);
return;
}
if ( last6 == """ && first6 == """ ) {
allow_one_char="yes";
atag=substr(atag,7,length(atag)-12);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
printf("%s",first6);
find_tag2();
if ( done == "yes" ) { printf("%s",last6);return; }
printf("%s%s",atag,last6);
return;
}
last6of7=substr(atag,length(atag)-6,6);
if ( last6of7 == """ && first6 == """ ) {
allow_one_char="yes";
atag=substr(atag,7,length(atag)-13);
#printf("\natag=%s,aword=%s\n",atag,aword);
if_already();
if ( already == "yes" ) {
printf("%s",aword);
return;
}
printf("%s",first6);
find_tag2();
if ( done == "yes" ) { printf("%s%s",last6of7,rightchar);return; }
printf("%s%s%s",atag,last6of7,rightchar);
return;
}
printf("%s",aword);
}
function find_tag2() {
done="no";
# no blanks present in a tag...
ntags=split(atag,blata,"[ ]");
if ( ntags > 1 ) { return; }
if ( ( allow_one_char == "no" ) && \
( index("!#$%&'()+,-./0:;=?@ACINX\\[\\]^_`at\\{\\}~",atag) !=0 ) ) {
return;
}
if ( skip_word[atag] == "yes" ) { return; }
if ( wasset == "yes" && lineset == NR ) {
wasset="no";
see_opt();
if ( done_opt == "yes" ) {return;}
}
if ( wasset == "yes" && lineset != NR ) {
wasset="no";
}
if ( atag == ":set" ) {
wasset="yes";
lineset=NR;
}
if ( tagkey[atag] == "yes" ) {
which=tagref[atag];
put_href2();
done="yes";
}
}
function find_tag3() {
done="no";
# no blanks present in a tag...
ntags=split(btag,blata,"[ ]");
if ( ntags > 1 ) { return; }
if ( ( allow_one_char == "no" ) && \
( index("!#$%&'()+,-./0:;=?@ACINX\\[\\]^_`at\\{\\}~",btag) !=0 ) ) {
return;
}
if ( skip_word[btag] == "yes" ) { return; }
if ( tagkey[btag] == "yes" ) {
which=tagref[btag];
put_href3();
done="yes";
}
}
function put_href() {
if ( p[i] == "" ) { return; }
if ( which == FILENAME ) {
printf("|%s|",p[i],p[i]);
}
else {
nz=split(which,zz,".");
if ( zz[2] == "txt" || zz[1] == "tags" ) {
printf("|%s|",zz[1],p[i],p[i]);
}
else {
printf("|%s|",p[i],p[i]);
}
}
}
function put_href2() {
if ( atag == "" ) { return; }
if ( which == FILENAME ) {
printf("%s",atag,atag);
}
else {
nz=split(which,zz,".");
if ( zz[2] == "txt" || zz[1] == "tags" ) {
printf("%s",zz[1],atag,atag);
}
else {
printf("%s",atag,atag);
}
}
}
function put_href3() {
if ( btag == "" ) { return; }
if ( which == FILENAME ) {
printf("%s",btag,btag2);
}
else {
nz=split(which,zz,".");
if ( zz[2] == "txt" || zz[1] == "tags" ) {
printf("%s",zz[1],btag,btag2);
}
else {
printf("%s",btag,btag2);
}
}
}
function put_this() {
ntab=split(this,ta," ");
for ( nta=1 ; nta <= ntab ; nta++ ) {
ata=ta[nta];
lata=length(ata);
aword="";
for ( iata=1 ; iata <=lata ; iata++ ) {
achar=substr(ata,iata,1);
if ( achar != " " ) { aword=aword""achar; }
else {
if ( aword != "" ) { atag=aword;
see_tag();
aword="";
printf(" "); }
else {
printf(" ");
}
}
}
if ( aword != "" ) { atag=aword;
see_tag();
}
if ( nta != ntab ) { printf(" "); }
}
}
function if_already() {
already="no";
if ( npipe < 2 ) { return; }
if ( atag == ":au" && p[2] == ":autocmd" ) { already="yes";return; }
for ( npp=2 ; npp <= npipe ; npp=npp+2 ) {
if ( ( (index(p[npp],atag)) != 0 \
&& length(p[npp]) > length(atag) \
&& length(atag) >= 1 \
) \
|| (p[npp] == atag) \
) {
# printf("p=|%s|,tag=|%s| ",p[npp],atag);
already="yes"; return; }
}
}
function see_opt() {
done_opt="no";
stag=atag;
nfields = split(atag,tae,"=");
if ( nfields > 1 ) {
btag="'"tae[1]"'";
btag2=tae[1];
find_tag3();
if (done == "yes") {
for ( ntae=2 ; ntae <= nfields ; ntae++ ) {
printf("=%s",tae[ntae]);
}
atag=stag;
done_opt="yes";
return;
}
btag=tae[1];
btag2=tae[1];
find_tag3();
if ( done=="yes" ) {
for ( ntae=2 ; ntae <= nfields ; ntae++ ) {
printf("=%s",tae[ntae]);
}
atag=stag;
done_opt="yes";
return;
}
}
nfields = split(atag,tae,""");
if ( nfields > 1 ) {
btag="'"tae[1]"'";
btag2=tae[1];
find_tag3();
if (done == "yes") {
printf(""");
atag=stag;
done_opt="yes";
return;
}
btag=tae[1];
btag2=tae[1];
find_tag3();
if (done == "yes") {
printf(""");
atag=stag;
done_opt="yes";
return;
}
}
btag="'"tae[1]"'";
btag2=tae[1];
find_tag3();
if (done == "yes") {
atag=stag;
done_opt="yes";
return;
}
btag=tae[1];
btag2=tae[1];
find_tag3();
if (done == "yes") {
atag=stag;
done_opt="yes";
return;
}
atag=stag;
}