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/*
README(.md) to .guide converter $VER: RM2AG.rexx 0.20 (18.05.2019)
This script converts a given markdown README file of ScummVM to a basic
hypertext Amiga guide file.
*/
PARSE ARG readme_md
/*
Check if the given file is really the readme.
If a given filename has spaces, AmigaDOS/AmigaCLI will add extra
quotation marks to secure a sane working path. We get rid of them to make
AREXX find the file.
*/
readme_md=COMPRESS(readme_md,'"')
OPEN(check_readme,readme_md,'R')
IF READCH(check_readme,18) = '# [ScummVM README]' THEN
CLOSE(check_readme)
ELSE DO
SAY "Not the ScummVM README.md file. Aborting!"
CLOSE(check_readme)
EXIT 0
END
OPEN(readme_read,readme_md,'R')
OPEN(guide_write,'README.guide','W')
/*
Prepare the Amiga guide file, add the intro and fixed text.
*/
WRITELN(guide_write,'@DATABASE ScummVM README.guide')
WRITELN(guide_write,'@$VER: ScummVM Readme 2.2.0git')
WRITELN(guide_write,'@(C) by The ScummVM team')
WRITELN(guide_write,'@AUTHOR The ScummVM team')
WRITELN(guide_write,'@WORDWRAP')
WRITELN(guide_write,'@NODE "main" "ScummVM README Guide"')
WRITELN(guide_write,'@{b}')
WRITELN(guide_write,SUBSTR(READLN(readme_read),4,14))
WRITELN(guide_write,'@{ub}')
/*
Creating the main (TOC) link nodes.
*/
DO WHILE EOF(readme_read) = 0
working_line=READLN(readme_read)
/*
Check for the start of actual the content and, if found, leave the
TOC link loop.
*/
IF POS('## <>1.0<>)',working_line) = 1 THEN
LEAVE
/*
Check for any "rolled over" lines, if found, read in the rest (on the
following line) and rejoin them again, before processing any further.
e.g. - [<>3.6.3<>) Broken Sword games
cutscenes](#363-broken-sword-games-cutscenes)
*/
IF POS('- [<>',working_line) > 0 THEN DO
IF POS('(#',working_line) = 0 THEN DO
rejoin_line=COMPRESS(READLN(readme_read),' ')
working_line=working_line rejoin_line
END
END
/*
If no chapter has been found, simply write the line and skip the rest.
*/
IF POS('- [',working_line) = 0 THEN
WRITELN(guide_write,working_line)
ELSE DO
/*
Fix the empty chapters:
Two chapters (1.0 and 7.8) are "empty", consisting of only it's
chapter names. We link them to their respective sub chapters
(1.1 and 7.8.1), so we don't end up displaying a blank page.
If chapter 1.0 is found, add a link node to chapter 1.1.
*/
IF POS(' - [<>1.0<>)',working_line) = 1 THEN DO
/*
Get rid of the markers, so the following loops won't process
them again.
*/
working_line=COMPRESS(working_line,'-[<>')
WRITELN(guide_write,' @{" 1.0 " Link "1.1"} 'SUBSTR(working_line,1,LASTPOS(']',working_line)-1))
END
/*
If chapter 7.8 is found, add a link node to 7.8.1.
*/
IF POS(' - [<>7.8<>)',working_line) = 1 THEN DO
/*
Get rid of the markers, so the following loops won't process
them again.
*/
working_line=COMPRESS(working_line,'-[<>')
WRITELN(guide_write,' @{" 7.8 " Link "7.8.1"} 'SUBSTR(working_line,1,LASTPOS(']',working_line)-1))
END
/*
If a single number main chapter is found (1.0 upto 9.0), prepare
and write the link node.
Just for the record:
A "\" (backslash) is treated as escape character in AmigaGuides.
Thus we remove it from the node links.
*/
IF POS('- [<>',working_line) = 3 THEN DO
WRITELN(guide_write,' ')
WRITELN(guide_write,' @{" 'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2) '" Link "'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2)'"} 'COMPRESS(SUBSTR(working_line,1,LASTPOS(']',working_line)-1),'*<>[]\'))
/*
Get rid of the markers, so the following loops won't process
them again.
*/
working_line=COMPRESS(working_line,'-[<>')
END
/*
If a single number level one sub chapter is found
(i.e. 1.1, 1.2 etc.), prepare and write the link node.
*/
IF POS('- [<>',working_line) = 7 THEN DO
WRITELN(guide_write,' @{" 'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2) '" Link "'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2)'"} 'COMPRESS(SUBSTR(working_line,1,LASTPOS(']',working_line)-1),'*<>[]\'))
/*
Get rid of the markers, so the following loops won't process
them again.
*/
working_line=COMPRESS(working_line,'.[<>')
END
/*
If a level two sub chapter is found (i.e. 3.6.1, 3.6.2 etc.),
prepare and write the link node.
*/
IF POS('- [<>',working_line) = 11 THEN DO
WRITELN(guide_write,' @{" 'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2) '" Link "'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2)'"} 'COMPRESS(SUBSTR(working_line,1,LASTPOS(']',working_line)-1),'*<>[]\'))
/*
Get rid of the markers, so the following loops won't process
them again.
*/
working_line=COMPRESS(working_line,'.[<>')
END
END
END
/*
Finish the TOC (Hardcoded due the outro text would be read in last, but
needs to be written after the TOC creation).
*/
WRITELN(guide_write,'-----')
WRITELN(guide_write,' ')
WRITELN(guide_write,'Good Luck and Happy Adventuring!')
WRITELN(guide_write,'The ScummVM team.')
WRITELN(guide_write,'@{"https://www.scummvm.org/" System "URLOpen https://www.scummvm.org/"}')
/*
Creating the sub link nodes.
*/
DO WHILE EOF(readme_read) = 0
/*
Change the html/markdown links to AmigaGuide ones
*/
IF POS('[here](',working_line) > 0 THEN DO
working_line=INSERT('@{"',working_line,POS('[',working_line)-1)
working_line=INSERT('" link ',working_line,POS(']',working_line))
working_line=INSERT('/main}',working_line,POS(')',working_line))
working_line=COMPRESS(working_line,'()')
END
/*
If no chapter has been found, simply write the line and skip the rest.
*/
IF POS('<>',working_line) = 0 THEN
WRITELN(guide_write,working_line)
ELSE DO
/*
Fix empty chapters:
Two chapters (1.0 and 7.8) are "empty", consisting of only it's
chapter names. We link them to their respective sub chapters
(1.1 and 7.8.1), so we don't end up displaying a blank page.
If chapter 1.1 is found don't close the NODE, just write the line.
*/
IF POS('<>1.1<>',working_line) = 1 THEN DO
/*
Get rid of the markers, so the following loops won't process
them again.
*/
WRITELN(guide_write,COMPRESS(working_line,'<>'))
END
/*
If chapter 7.8.1 is found don't close the NODE, just write the
line.
*/
IF POS('<>7.8.1<>',working_line) = 1 THEN DO
/*
Get rid of the markers, so the following loops won't process
them again.
*/
WRITELN(guide_write,COMPRESS(working_line,'<>'))
END
IF POS('<>',working_line) > 0 THEN DO
/*
Check for link references inside the text and create link
nodes for them.
*/
IF POS('section <>',working_line) > 0 THEN DO
working_line=SUBSTR(working_line,1,POS('<>',working_line)-1)'@{"'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2)'" Link "'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2)'"}'SUBSTR(working_line,LASTPOS('<>',working_line)+2)
/*
Get rid of the markers, so the following loops won't
process them again.
*/
WRITELN(guide_write,COMPRESS(working_line,'<>'))
END
ELSE DO
/*
If a chapter has been found, prepare and write the link.
*/
WRITELN(guide_write,'@ENDNODE')
WRITELN(guide_write,'@NODE "'SUBSTR(working_line,POS('<>',working_line)+2,LASTPOS('<>',working_line)-POS('<>',working_line)-2)'" "'COMPRESS(working_line,'<>#')'"')
WRITELN(guide_write,' ')
/*
Get rid of the markers, so the following loops won't process
them again.
*/
WRITELN(guide_write,COMPRESS(working_line,'<>'))
END
END
END
/*
Read in the line at the end of the second loop, as the first line to
work with was already read in on the end of the first loop.
*/
working_line=READLN(readme_read)
/*
If the outtro text is found, leave the loop and prepare for closing.
*/
IF POS('-----',working_line,1) =1 THEN
LEAVE
END
WRITELN(guide_write,'@ENDNODE')
/*
Close the guide and clean up.
*/
WRITELN(guide_write,'@ENDNODE')
CLOSE(readme_read)
CLOSE(guide_write)
EXIT 0
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