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Allow escaping meta characters with backslashes

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One can escape meta characters in extended-search mode with backslashes.

  Prefixes:
    \'
    \!
    \^

  Suffix:
    \$

  Term separator:
    \<SPACE>

To keep things simple, we are not going to support escaping of escaped
sequences (e.g. \\') for matching them literally.

Since this is a breaking change, we will bump the minor version.

Close #444
This commit is contained in:
Junegunn Choi
2017-08-09 23:25:32 +09:00
parent dc55e68524
commit e85a8a68d0
4 changed files with 63 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/pattern_test.go
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@@ -165,15 +165,15 @@ func TestCacheKey(t *testing.T) {
t.Errorf("Expected: %s, actual: %s", expected, pat.CacheKey())
}
if pat.cacheable != cacheable {
t.Errorf("Expected: %s, actual: %s (%s)", cacheable, pat.cacheable, patStr)
t.Errorf("Expected: %t, actual: %t (%s)", cacheable, pat.cacheable, patStr)
}
clearPatternCache()
}
test(false, "foo !bar", "foo !bar", true)
test(false, "foo | bar !baz", "foo | bar !baz", true)
test(true, "foo bar baz", "foo bar baz", true)
test(true, "foo bar baz", "foo\tbar\tbaz", true)
test(true, "foo !bar", "foo", false)
test(true, "foo !bar baz", "foo baz", false)
test(true, "foo !bar baz", "foo\tbaz", false)
test(true, "foo | bar baz", "baz", false)
test(true, "foo | bar | baz", "", false)
test(true, "foo | bar !baz", "", false)
@@ -192,11 +192,11 @@ func TestCacheable(t *testing.T) {
}
clearPatternCache()
}
test(true, "foo bar", "foo bar", true)
test(true, "foo 'bar", "foo bar", false)
test(true, "foo bar", "foo\tbar", true)
test(true, "foo 'bar", "foo\tbar", false)
test(true, "foo !bar", "foo", false)
test(false, "foo bar", "foo bar", true)
test(false, "foo bar", "foo\tbar", true)
test(false, "foo 'bar", "foo", false)
test(false, "foo '", "foo", true)
test(false, "foo 'bar", "foo", false)