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regex: Add FIRSTLINE compile flag

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This option exists since PCRE 6.0.
This commit is contained in:
Christian Persch 2012-06-14 22:04:05 +02:00
parent e99e34f65f
commit a2f54a3408
3 changed files with 9 additions and 1 deletions
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2
glib/gregex.c
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@ -121,6 +121,7 @@
G_REGEX_RAW | \
G_REGEX_NO_AUTO_CAPTURE | \
G_REGEX_OPTIMIZE | \
G_REGEX_FIRSTLINE | \
G_REGEX_DUPNAMES | \
G_REGEX_NEWLINE_CR | \
G_REGEX_NEWLINE_LF | \
@ -160,6 +161,7 @@ G_STATIC_ASSERT (G_REGEX_ANCHORED == PCRE_ANCHORED);
G_STATIC_ASSERT (G_REGEX_DOLLAR_ENDONLY == PCRE_DOLLAR_ENDONLY);
G_STATIC_ASSERT (G_REGEX_UNGREEDY == PCRE_UNGREEDY);
G_STATIC_ASSERT (G_REGEX_NO_AUTO_CAPTURE == PCRE_NO_AUTO_CAPTURE);
G_STATIC_ASSERT (G_REGEX_FIRSTLINE == PCRE_FIRSTLINE);
G_STATIC_ASSERT (G_REGEX_DUPNAMES == PCRE_DUPNAMES);
G_STATIC_ASSERT (G_REGEX_NEWLINE_CR == PCRE_NEWLINE_CR);
G_STATIC_ASSERT (G_REGEX_NEWLINE_LF == PCRE_NEWLINE_LF);

5
glib/gregex.h
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@ -250,7 +250,7 @@ GQuark g_regex_error_quark (void);
* It can also be set by a "(?U)" option setting within the pattern.
* @G_REGEX_RAW: Usually strings must be valid UTF-8 strings, using this
* flag they are considered as a raw sequence of bytes.
* @G_REGEX_NO_AUTO_CAPTURE: Disables the use of numbered capturing
* @G_REGEX_NO_AUTO_CAPTURE: Disables the use of numbered capturing
* parentheses in the pattern. Any opening parenthesis that is not
* followed by "?" behaves as if it were followed by "?:" but named
* parentheses can still be used for capturing (and they acquire numbers
@ -258,6 +258,8 @@ GQuark g_regex_error_quark (void);
* @G_REGEX_OPTIMIZE: Optimize the regular expression. If the pattern will
* be used many times, then it may be worth the effort to optimize it
* to improve the speed of matches.
* @G_REGEX_FIRSTLINE: Limits an unanchored pattern to match before (or at) the
* first newline. Since: 2.34
* @G_REGEX_DUPNAMES: Names used to identify capturing subpatterns need not
* be unique. This can be helpful for certain types of pattern when it
* is known that only one instance of the named subpattern can ever be
@ -297,6 +299,7 @@ typedef enum
G_REGEX_RAW = 1 << 11,
G_REGEX_NO_AUTO_CAPTURE = 1 << 12,
G_REGEX_OPTIMIZE = 1 << 13,
G_REGEX_FIRSTLINE = 1 << 18,
G_REGEX_DUPNAMES = 1 << 19,
G_REGEX_NEWLINE_CR = 1 << 20,
G_REGEX_NEWLINE_LF = 1 << 21,

3
glib/tests/regex.c
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@ -2326,6 +2326,9 @@ main (int argc, char *argv[])
TEST_MATCH("a#\nb", G_REGEX_EXTENDED, G_REGEX_MATCH_NEWLINE_CR, "a", -1, 0, 0, FALSE);
TEST_MATCH("a#\nb", G_REGEX_EXTENDED | G_REGEX_NEWLINE_CR, 0, "a", -1, 0, 0, TRUE);
TEST_MATCH("line\nbreak", G_REGEX_MULTILINE, 0, "this is a line\nbreak", -1, 0, 0, TRUE);
TEST_MATCH("line\nbreak", G_REGEX_MULTILINE | G_REGEX_FIRSTLINE, 0, "first line\na line\nbreak", -1, 0, 0, FALSE);
/* This failed with PCRE 7.2 (gnome bug #455640) */
TEST_MATCH(".*$", 0, 0, "\xe1\xbb\x85", -1, 0, 0, TRUE);