138 lines
3.8 KiB
Awk
138 lines
3.8 KiB
Awk
# Removes extra spaces off a string
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function ltrim(s) { sub(/^[ \t\r\n]+/, "", s); return s; }
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function rtrim(s) { sub(/[ \t\r\n]+$/, "", s); return s; }
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function trim(s) { return rtrim(ltrim(s)); }
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# Escape slashes and amps in a string for building links
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function linkescape(s) {
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gsub(/\//, "\\/", s);
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gsub(/\&/, "\\\\&", s);
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return s;
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}
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# Creates a section link using normal replacement rules
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function nametolink(s) {
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s = tolower(s);
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gsub(/[^a-z0-9 -]/, "", s);
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gsub(/ /, "-", s);
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return s;
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}
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BEGIN {
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sectionCount = 0;
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WAIT_FOR_START = 1;
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IN_PRE = 0;
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}
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# PARSE_HEADERS will be true only for the TOC list of HREFs
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# so we can build the list of "chapters".
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PARSE_HEADERS && /<A HREF=/ {
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match($0, /"#(.*)">(.*)<.A/, m);
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sections[sectionCount] = m[2];
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sectionsLink[sectionCount] = m[1];
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sectionCount++;
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next;
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}
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# This marks the beginning of the TOC really.
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WAIT_FOR_START && /<B>Nocash PSXSPX Playstation Specifications<.B><BR>/ {
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PARSE_HEADERS = 1;
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next;
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}
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# These markers are to split off sections and subsections.
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/^<!--------------------------------------->/ {
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if (PARSE_HEADERS) WAIT_FOR_START = 0;
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PARSE_HEADERS = 0;
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WAIT_SECTION = 1;
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next;
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}
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# Trash anything that's in the TOC. We'll build a new one later.
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WAIT_FOR_START { next; }
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# We need to do slighly different parsing if we're in or out a PRE section.
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/<TABLE.*PRE>/ { IN_PRE = 1; }
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/<.TD><.TR><.TABLE>/ { IN_PRE = 0; }
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# Generic sed-like line replacements.
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{
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# The input file isn't valid html to begin with,
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# so we're not going to do a true html parser.
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# Replace the typical html escapes right off the bat.
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gsub(/ /, " ");
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if (IN_PRE) {
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gsub(/</, "<");
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gsub(/>/, ">");
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} else {
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# outside of <PRE> blocks, we want to escape these for the md format.
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gsub(/</, "\\<");
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gsub(/>/, "\\>");
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}
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gsub(/&/, "\\&");
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# These are fairly straightforward replacements
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sub(/<TABLE.*PRE>/, "```");
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sub(/<.TD><.TR><.TABLE>/, "```");
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$0 = gensub(/<B>(.*)<.B><BR>/, "#### \\1", "g");
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sub(/<BR>/, "<br/>");
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}
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# Skip the remaining cruft.
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/^<TABLE/ { next; }
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/^<.FONT/ { next; }
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# We need to parse the header of a major or minor section.
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WAIT_SECTION {
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WAIT_SECTION = 0;
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WAIT_HEADER = 1;
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match($0, /<A NAME="(.*)">/, m);
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link = m[1];
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found = 0;
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# Checking if it was in our TOC to distingish between section or subsection.
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for (i = 0; i < sectionCount; i++) {
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if (sectionsLink[i] == link) {
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GOT_MAJOR_SECTION = 1;
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sectionFile = link;
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found = 1;
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subsectionsCount = 0;
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printf("SWITCHED TO MAJOR SECTION: %s\n", link);
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}
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}
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if (!found) {
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subsection = link;
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printf("SWITCHED TO MINOR SECTION: %s\n", link);
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}
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next;
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}
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# Creating the proper section header, and the second pass sed script.
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WAIT_HEADER {
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WAIT_HEADER = 0;
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if (GOT_MAJOR_SECTION) {
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print("s/<A HREF=\"#" link "\">[^<]*<.A>/[" linkescape(trim($0)) "](" link ".md)/g") > "psx-spx-pass2.sed";
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$0 = "# " $0;
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} else {
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print("s/<A HREF=\"#" link "\">[^<]*<.A>/[" linkescape(trim($0)) "](" sectionFile ".md#" nametolink(trim($0)) ")/g") > "psx-spx-pass2.sed";
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$0 = "## " $0;
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}
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GOT_MAJOR_SECTION = 0;
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}
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# If we get here, output our current line to the current section md file.
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{ print > sectionFile ".md" }
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END {
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# Emit the TOC and finish the second pass sed script, as well as
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# the second pass runner script.
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for (i = 0; i < sectionCount; i++) {
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link = sectionsLink[i];
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name = sections[i];
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print("sed -f psx-spx-pass2.sed -i " link ".md") > "run-pass2.sh";
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print("[" name "](" link ".md)<br/>") > "index.md";
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}
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print("s/^<br\\/>$//") > "psx-spx-pass2.sed";
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}
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