header parsing
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# chapter 1: an example
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hello!
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## this is a second-level heading
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yay!
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### and this is the third level
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here we have a list:
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* an item
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* another one
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* and yet another one
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and some code:
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```
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awk -f g2e.awk example-gpub/
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```
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so meta!
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54
g2e.awk
54
g2e.awk
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# g2e - an opinionated gempub to epub converter written in awk
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# THIS IS CHAOTIC SOFTWARE BEWARE <//xj-ix.luxe/wiki/chaotic-software/>
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# usage:
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# awk -f g2e.awk example-gpub/
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# where example-gpub/ is a directory containing an uncompressed gempub file
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BEGIN{
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gpubdir = ARGV[1]
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tdir = "templates/" # templates dir
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epubtdir = "template-epub/"
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epubodir = "out/"
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metadatafile = gpubdir "metadata.txt"
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# read metadata file fields
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while( getline < metadatafile ){
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key = $1
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sub(":","",key)
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key = $1; sub(":","",key)
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value = $2
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for(i=3;i<=NF;i++) value = value " " $i
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@ -34,16 +38,16 @@ BEGIN{
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system( "mkdir -p " epubodir "META-INF" )
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system( "cp -u " tdir "container.xml " epubodir "META-INF/" )
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system( "cp -u " tdir "mimetype " epubodir )
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system( "cp -u " tdir "style.css " epubodir "OEBPS" )
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# read templates
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templatefiles ="find " tdir " -type f -not -name '.*'"
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templatefiles = "find " tdir " -type f -not -name '.*'"
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while( (templatefiles | getline )>0 ){
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tpath = $0
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tkey = tpath
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sub(tdir, "", tkey)
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tkey = tpath; sub(tdir, "", tkey)
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RS = "\f" # to get the whole file in one getline
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getline templates[tkey] < tpath
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getline templates[tkey] < tpath # read template
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RS = "\n"
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}
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@ -93,12 +97,42 @@ ARGIND==2 && FNR==1{
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}
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# content files
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ARGIND>1{
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# print $0
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function finishfile(){
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# finish writing the previous content file
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out = out "\t</main>\n </body>\n</html>"
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printf out > nameout
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}
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function append(line){
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out = out "\t\t" line "\n"
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}
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ARGIND>2 && FNR==1{
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finishfile()
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}
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# setup the writing for this content file
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ARGIND>1 && FNR==1 {
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id=FILENAME
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match(id,/[^/]+.gmi$/)
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filenamestart = RSTART
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match(id,/.gmi$/)
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name = substr(id,filenamestart,RSTART-filenamestart)
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nameout = epubodir "OEBPS/" name ".xhtml"
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sub(/#{1,3}\s+/,"", $0)
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m["title"] = $0
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out = write_template("header.xhtml",m)
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next
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}
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ARGIND>1 && match($0,/^#{1,3}+/){
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sub(/^#{1,3}[[:space:]]+/,"",$0)
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append( "<h" RLENGTH ">" $0 "</h" RLENGTH ">")
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next
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}
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END{
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finishfile()
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}
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@ -0,0 +1,13 @@
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<head>
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<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
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<title>{title}<title>
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<link rel="stylesheet" href="style.css" type="text/css" />
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</head>
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<body>
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<header>
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<h1>{title}</h1>
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<header>
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<main>
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