diff options
Diffstat (limited to 'lib/html.source.sh')
| -rw-r--r-- | lib/html.source.sh | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/lib/html.source.sh b/lib/html.source.sh new file mode 100644 index 00000000..9fb4a301 --- /dev/null +++ b/lib/html.source.sh @@ -0,0 +1,147 @@ +html::special () { + $SED ' + s|\&|\&|g; + s|<|\<|g; + s|>|\>|g; + ' <<< "$@" +} + +html::make_paragraph () { + local -r text="$1"; shift + test -n "$text" && echo "<p>$(html::special "$text")</p>" +} + +html::make_heading () { + local -r text=$($SED -E 's/^#+ //' <<< "$1"); shift + local -r level="$1"; shift + + echo "<h${level}>$(html::special "$text")</h${level}>" +} + +html::make_quote () { + local -r quote="${1/> }" + echo "<pre>$(html::special "$quote")</pre>" +} + +html::make_img () { + local link="$1"; shift + local descr="$1"; shift + + if [ -z "$descr" ]; then + echo -n "<a href=\"$link\"><img src=\"$link\" /></a>" + else + echo -n "<i>$descr:</i>" + echo -n "<a href=\"$link\"><img alt=\"$descr\" title=\"$descr\" src=\"$link\" /></a>" + fi + + echo "<br />" +} + +html::make_link () { + local link="$1"; shift + local descr="$1"; shift + + grep -F -q '://' <<< "$link" || link=${link/.gmi/.html} + test -z "$descr" && descr="$link" + echo "<a class=\"textlink\" href=\"$link\">$descr</a><br />" +} + +html::fromgmi () { + local -r gmi_file=$1 + local -i is_list=0 + local -i is_plain=0 + + while IFS='' read -r line; do + if [ $is_list -eq 1 ]; then + if [[ "$line" == '* '* ]]; then + echo "<li>${line/\* /}</li>" + else + is_list=0 + echo "</ul>" + fi + continue + + elif [ $is_plain -eq 1 ]; then + if [[ "$line" == '```'* ]]; then + echo "</pre>" + is_plain=0 + else + html::special "$line" + fi + continue + fi + + case "$line" in + '* '*) + is_list=1 + echo "<ul>" + echo "<li>${line/\* /}</li>" + ;; + '```'*) + is_plain=1 + echo "<pre>" + ;; + '# '*) + html::make_heading "$line" 1 + ;; + '## '*) + html::make_heading "$line" 2 + ;; + '### '*) + html::make_heading "$line" 3 + ;; + '> '*) + html::make_quote "$line" + ;; + '=> '*) + generate::make_link html "$line" + ;; + *) + html::make_paragraph "$line" + ;; + esac + done +} + +html::test () { + local line='Hello world! This is a paragraph.' + assert::equals "$(html::make_paragraph "$line")" '<p>Hello world! This is a paragraph.</p>' + + line='' + assert::equals "$(html::make_paragraph "$line")" '' + + line='Foo &<>& Bar!' + assert::equals "$(html::make_paragraph "$line")" '<p>Foo &<>& Bar!</p>' + + line='# Header 1' + assert::equals "$(html::make_heading "$line" 1)" '<h1>Header 1</h1>' + + line='## Header 2' + assert::equals "$(html::make_heading "$line" 2)" '<h2>Header 2</h2>' + + line='### Header 3' + assert::equals "$(html::make_heading "$line" 3)" '<h3>Header 3</h3>' + + line='> This is a quote' + assert::equals "$(html::make_quote "$line")" '<pre>This is a quote</pre>' + + line='=> https://example.org' + assert::equals "$(generate::make_link html "$line")" \ + '<a class="textlink" href="https://example.org">https://example.org</a><br />' + + line='=> index.gmi' + assert::equals "$(generate::make_link html "$line")" \ + '<a class="textlink" href="index.html">index.html</a><br />' + + line='=> http://example.org Description of the link' + assert::equals "$(generate::make_link html "$line")" \ + '<a class="textlink" href="http://example.org">Description of the link</a><br />' + + line='=> http://example.org/image.png' + assert::equals "$(generate::make_link html "$line")" \ + '<a href="http://example.org/image.png"><img src="http://example.org/image.png" /></a><br />' + + line='=> http://example.org/image.png Image description' + assert::equals "$(generate::make_link html "$line")" \ + '<i>Image description:</i><a href="http://example.org/image.png"><img alt="Image description" title="Image description" src="http://example.org/image.png" /></a><br />' +} |