76 lines
1.9 KiB
Awk
76 lines
1.9 KiB
Awk
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# This awk program adds <br> to the end of each line
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# unless it's inside a codeblock.
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# It also converts the custom <block> tag into
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# the actual HTML we want, and linkifies links
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BEGIN {isCode=0}
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{
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if ($0 == "<block>") {
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isCode = 1;
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printf("<pre><code class=\"block\">");
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# set the field separator before we read the next line
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# so we can read char by char
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FS = "";
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next;
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}
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if ($0 == "</block>") {
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isCode = 0;
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print "</code></pre>";
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# reset field separator to default before reading next line
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FS = " ";
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next;
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}
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#if the thing we're in is a code block
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if (isCode == 1) {
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if ($0 == "") {
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print "";
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next;
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}
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# convert special html chars to web safe versions
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field = 1;
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while (field <= NF) {
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if ($field == "&") {
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printf "&";
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} else if ($field == "<") {
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printf "<";
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} else if ($field == ">") {
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printf ">";
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} else if ($field == "\"") {
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printf """;
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} else if ($field == "'") {
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printf "'";
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} else {
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printf $field;
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}
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field++;
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if (field > NF) {
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print "";
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}
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}
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}
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if (isCode == 0) {
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# if the line is empty, make it a <br> and move on
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# TODO make this write <br> even if the line has just spaces/tabs/etc.
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if ($0 == "") {
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print "<br>";
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next;
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}
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field = 1;
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while (field <= NF) {
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if ($field ~ /^http:\/\/*/ || $field ~ /^https:\/\/*/ || $field ~ /^gopher:\/\/*/ || $field ~ /^gemini:\/\/*/) {
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printf "<a href=\""$field"\">"$field"</a> ";
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} else {
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printf $field" ";
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}
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field++;
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# print <br> if end of the line
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if (field > NF) {
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print "<br>";
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}
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}
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}
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}
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END {}
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