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| author | Bryce Kwon <bryce@brycekwon.com> | |
|---|---|---|
| committer | Bryce Kwon <bryce@brycekwon.com> | |
| commit | ||
| parent | ||
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Colour css properties and pseudo-classes
Scintillua's css lexer tags them with names the map had no row for, so
they came out as plain text.
| -rw-r--r-- | custom/extensions/syntax-highlight.lua | 31 | |
| -rw-r--r-- | tests/extensions/fake-lexers/lexer.lua | 33 | |
| -rw-r--r-- | tests/extensions/test-syntax-highlight.lua | 4 |
3 files changed, 38 insertions, 30 deletions
diff --git a/custom/extensions/syntax-highlight.lua b/custom/extensions/syntax-highlight.lua index c178f25..8a1e7ab 100644 --- a/custom/extensions/syntax-highlight.lua +++ b/custom/extensions/syntax-highlight.lua @@ -55,20 +55,23 @@ local scintillua_dirs = { -- tag with no row renders as plain text, which is what most themes want for -- operators and identifiers. local css = { - comment = "hl-comment", - string = "hl-string", - regex = "hl-string", - number = "hl-number", - constant = "hl-number", - keyword = "hl-keyword", - preprocessor = "hl-keyword", - tag = "hl-keyword", - label = "hl-keyword", - annotation = "hl-keyword", - type = "hl-type", - class = "hl-type", - attribute = "hl-type", - ["function"] = "hl-func", + comment = "hl-comment", + string = "hl-string", + regex = "hl-string", + number = "hl-number", + constant = "hl-number", + property = "hl-number", + keyword = "hl-keyword", + preprocessor = "hl-keyword", + tag = "hl-keyword", + label = "hl-keyword", + annotation = "hl-keyword", + type = "hl-type", + class = "hl-type", + attribute = "hl-type", + ["function"] = "hl-func", + pseudoclass = "hl-func", + pseudoelement = "hl-func", } -- Extension to lexer name fixes for the fallback path, reached only when diff --git a/tests/extensions/fake-lexers/lexer.lua b/tests/extensions/fake-lexers/lexer.lua index 0632744..ea7768e 100644 --- a/tests/extensions/fake-lexers/lexer.lua +++ b/tests/extensions/fake-lexers/lexer.lua @@ -11,29 +11,30 @@ local M = {} -- Tokens come back the way Scintillua returns them, one flat list of a tag -- name and the position just past the token it names. Letter runs are -- keywords, digit runs are numbers, a single quoted run carries a dotted tag --- so the dotted first component lookup gets exercised, and any other byte is --- whitespace, which maps to no css class. +-- so the dotted first component lookup gets exercised, a run after a colon or +-- a dollar sign takes one of the tags only the css lexer uses, and any other +-- byte is whitespace, which maps to no css class. +local patterns = { + { "^:%a+", "pseudoclass" }, + { "^%$%a+", "property" }, + { "^%a+", "keyword" }, + { "^%d+", "number" }, + { "^'[^']*'", "string.double" }, +} + local function lex_words(self, text) local tokens = {} local pos = 1 while pos <= #text do - local start, stop = text:find("^%a+", pos) - if not start then - start, stop = text:find("^%d+", pos) + local tag, stop = "whitespace", pos + for _, pattern in ipairs(patterns) do + local start, finish = text:find(pattern[1], pos) if start then - tokens[#tokens + 1] = "number" - else - start, stop = text:find("^'[^']*'", pos) - if start then - tokens[#tokens + 1] = "string.double" - else - stop = pos - tokens[#tokens + 1] = "whitespace" - end + tag, stop = pattern[2], finish + break end - else - tokens[#tokens + 1] = "keyword" end + tokens[#tokens + 1] = tag tokens[#tokens + 1] = stop + 1 pos = stop + 1 end diff --git a/tests/extensions/test-syntax-highlight.lua b/tests/extensions/test-syntax-highlight.lua index f831b01..50c7bc8 100644 --- a/tests/extensions/test-syntax-highlight.lua +++ b/tests/extensions/test-syntax-highlight.lua @@ -55,6 +55,10 @@ h.contains("bytes between tokens are escaped", out, " & ") h.contains("later tokens still highlight", out, "<span class='hl-keyword'>zz</span>") h.equals("close answers zero", ret, 0) +out = render("hello.fake", "$color :hover") +h.contains("a css property takes the number class", out, "<span class='hl-number'>$color</span>") +h.contains("a css pseudo-class takes the function class", out, "<span class='hl-func'>:hover</span>") + out = h.run({ "split.fake" }, { "i", "f" }) h.equals("writes are joined before lexing", out, "<span class='hl-keyword'>if</span>") |