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/*
README to .guide converter $VER: RM2AG.rexx 0.15 (25.01.2018)
This script converts the pure ASCII-text based README file of ScummVM to a
basic Amiga guide file.
More AmigaGuide features being added in the process if feasible.
*/
PARSE ARG readme_txt
/* Check if the given file is really the readme */
/* If a given filename has spaces in it's name, 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_txt=COMPRESS(readme_txt,'"')
OPEN(check_readme,readme_txt,'R')
IF READCH(check_readme,14) = 'ScummVM README' THEN
CLOSE(check_readme)
ELSE DO
SAY "Not the README file. Aborting!"
CLOSE(readme_read)
EXIT 20
END
/* If it's the proper file, lets start converting */
OPEN(readme_read,readme_txt,'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,'@WORDWRAP')
WRITELN(guide_write,'@NODE "main" "ScummVM README Guide"')
WRITELN(guide_write,' ')
WRITELN(guide_write,'@{b}')
WRITELN(guide_write,READLN(readme_read))
WRITELN(guide_write,'@{ub}')
/* Creating the main link nodes */
x=1
DO WHILE EOF(readme_read) = 0
/* Read in the line */
working_line=READLN(readme_read)
/* Checking if the sub links have been reached and leave the loop, if met */
IF POS('<>1.0<>',working_line) = 1 & x > 1 THEN
LEAVE
/* If no chapter has been found, simply write the line */
IF POS('<>',working_line) = 0 THEN
WRITELN(guide_write,working_line)
/* Fix the empty chapters - two chapters (1.0 and 7.8) are empty and consist of only the headlines.
We add them to the following chapter and link both of them to the empty one */
/* If chapter 1.1 is found add a link node to 1.0 (as chapter 1.0 is empty) */
IF POS(' * <>1.1<>',working_line) = 1 THEN DO
/* Get rid of the markers so the following loops doesn't process them again */
working_line=COMPRESS(working_line,'*<>')
WRITELN(guide_write,' @{" 1.1 " Link "1.0"} 'working_line)
END
/* If chapter 7.8.1 is found add a link node to 7.8 (as chapter 7.8 is empty) */
IF POS(' * * <>7.8.1<>',working_line) = 1 THEN DO
/* Get rid of the markers so the following loops doesn't process them again */
working_line=COMPRESS(working_line,'*<>')
WRITELN(guide_write,' @{" 7.8.1 " Link "7.8"} 'working_line)
END
/* If a single number main chapter is found 1.0 upto 9.0), prepare and write the link node */
IF POS('.0',working_line) = 4 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(working_line,'*<>'))
/* Get rid of the markers so the following loops doesn't process them again */
working_line=COMPRESS(working_line,'*<>')
x=x+1
END
/* If a double number main chapter is found (10.0 ff), prepare and write the link node */
IF POS('.0',working_line) = 5 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(working_line,'*<>'))
/* Get rid of the markers so the following loops doesn't process them again */
working_line=COMPRESS(working_line,'*<>')
END
/* If a level one sub chapter is found (i.e. 1.1), prepare and write the link node */
IF POS(' * <>',working_line) = 1 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(working_line,'*<>'))
/* Get rid of the markers so the following loops doesn't process them again */
working_line=COMPRESS(working_line,'*<>')
END
/* If a level two sub chapter is found (i.e. 1.1.1), prepare and write the link node */
IF POS(' * * <>',working_line) = 1 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(working_line,'*<>'))
/* Get rid of the markers so the following loops doesn't process them again */
working_line=COMPRESS(working_line,'*<>')
END
END
/* Finish the TOC, hardcoded due the outro text getting read in last, but needs to be read/written after the TOC creation */
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/"}')
WRITELN(guide_write,'------------------------------------------------------------------------')
/* Creating the sub links nodes */
DO WHILE EOF(readme_read) = 0
/* If no chapter has been found, simply write the line */
IF POS('<>',working_line) = 0 THEN
WRITELN(guide_write,working_line)
/* Fix the empty chapters - two chapters (1.0 and 7.8) are empty and consist of only the Headlines.
We don't close the NODE, rather add the following chapter to the former empty one */
/* 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 doesn't process them again */
working_line=COMPRESS(working_line,'<>')
WRITELN(guide_write,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 doesn't process them again */
working_line=COMPRESS(working_line,'<>')
WRITELN(guide_write,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 doesn'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 doesn't process them again */
WRITELN(guide_write,COMPRESS(working_line,'<>'))
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) > 0 THEN
LEAVE
END
WRITELN(guide_write,'@ENDNODE')
/* Closing the guide and cleaning up */
WRITELN(guide_write,'@ENDNODE')
CLOSE(readme_read)
CLOSE(guide_write)
EXIT 0
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