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Allow customizing header level offset

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Allows consumers to specify `TopLevelHLevel` to `HTMLWriter`, which
works identically to Org's official [`:html-toplevel-hlevel` /
`org-html-toplevel-hlevel`](https://orgmode.org/manual/Publishing-options.html) property.

Fixes #94.
This commit is contained in:
glacials 2023-02-18 15:08:18 -08:00
parent 1849701ba7
commit 97d5ac5933
2 changed files with 69 additions and 4 deletions
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47
org/html_writer_test.go
View file

@ -56,3 +56,50 @@ func TestPrettyRelativeLinks(t *testing.T) {
})
}
}
var topLevelHLevelTests = map[struct {
TopLevelHLevel int
input string
}]string{
{1, "* Top-level headline"}: "<h1 id=\"headline-1\">\nTop-level headline\n</h1>",
{1, "** Second-level headline"}: "<h2 id=\"headline-1\">\nSecond-level headline\n</h2>",
{1, "*** Third-level headline"}: "<h3 id=\"headline-1\">\nThird-level headline\n</h3>",
{1, "**** Fourth-level headline"}: "<h4 id=\"headline-1\">\nFourth-level headline\n</h4>",
{1, "***** Fifth-level headline"}: "<h5 id=\"headline-1\">\nFifth-level headline\n</h5>",
{1, "****** Sixth-level headline"}: "<h6 id=\"headline-1\">\nSixth-level headline\n</h6>",
{2, "* Top-level headline"}: "<h2 id=\"headline-1\">\nTop-level headline\n</h2>",
{2, "** Second-level headline"}: "<h3 id=\"headline-1\">\nSecond-level headline\n</h3>",
{2, "*** Third-level headline"}: "<h4 id=\"headline-1\">\nThird-level headline\n</h4>",
{2, "**** Fourth-level headline"}: "<h5 id=\"headline-1\">\nFourth-level headline\n</h5>",
{2, "***** Fifth-level headline"}: "<h6 id=\"headline-1\">\nFifth-level headline\n</h6>",
{3, "* Top-level headline"}: "<h3 id=\"headline-1\">\nTop-level headline\n</h3>",
{3, "** Second-level headline"}: "<h4 id=\"headline-1\">\nSecond-level headline\n</h4>",
{3, "*** Third-level headline"}: "<h5 id=\"headline-1\">\nThird-level headline\n</h5>",
{3, "**** Fourth-level headline"}: "<h6 id=\"headline-1\">\nFourth-level headline\n</h6>",
{4, "* Top-level headline"}: "<h4 id=\"headline-1\">\nTop-level headline\n</h4>",
{4, "** Second-level headline"}: "<h5 id=\"headline-1\">\nSecond-level headline\n</h5>",
{4, "*** Third-level headline"}: "<h6 id=\"headline-1\">\nThird-level headline\n</h6>",
{5, "* Top-level headline"}: "<h5 id=\"headline-1\">\nTop-level headline\n</h5>",
{5, "** Second-level headline"}: "<h6 id=\"headline-1\">\nSecond-level headline\n</h6>",
{6, "* Top-level headline"}: "<h6 id=\"headline-1\">\nTop-level headline\n</h6>",
}
func TestTopLevelHLevel(t *testing.T) {
for org, expected := range topLevelHLevelTests {
t.Run(org.input, func(t *testing.T) {
writer := NewHTMLWriter()
writer.TopLevelHLevel = org.TopLevelHLevel
actual, err := New().Silent().Parse(strings.NewReader(org.input), "./topLevelHLevelTests.org").Write(writer)
if err != nil {
t.Errorf("TopLevelHLevel=%d %s\n got error: %s", org.TopLevelHLevel, org.input, err)
} else if actual := strings.TrimSpace(actual); !strings.Contains(actual, expected) {
t.Errorf("TopLevelHLevel=%d %s:\n%s'", org.TopLevelHLevel, org.input, diff(actual, expected))
}
})
}
}