gregex.h   gregex.h 
skipping to change at line 34 skipping to change at line 34
#endif #endif
#ifndef __G_REGEX_H__ #ifndef __G_REGEX_H__
#define __G_REGEX_H__ #define __G_REGEX_H__
#include <glib/gerror.h> #include <glib/gerror.h>
#include <glib/gstring.h> #include <glib/gstring.h>
G_BEGIN_DECLS G_BEGIN_DECLS
/**
* GRegexError:
* @G_REGEX_ERROR_COMPILE: Compilation of the regular expression failed.
* @G_REGEX_ERROR_OPTIMIZE: Optimization of the regular expression failed.
* @G_REGEX_ERROR_REPLACE: Replacement failed due to an ill-formed replacem
ent
* string.
* @G_REGEX_ERROR_MATCH: The match process failed.
* @G_REGEX_ERROR_INTERNAL: Internal error of the regular expression engine
.
* Since 2.16
* @G_REGEX_ERROR_STRAY_BACKSLASH: "\\" at end of pattern. Since 2.16
* @G_REGEX_ERROR_MISSING_CONTROL_CHAR: "\\c" at end of pattern. Since 2.16
* @G_REGEX_ERROR_UNRECOGNIZED_ESCAPE: Unrecognized character follows "\\".
* Since 2.16
* @G_REGEX_ERROR_QUANTIFIERS_OUT_OF_ORDER: Numbers out of order in "{}"
* quantifier. Since 2.16
* @G_REGEX_ERROR_QUANTIFIER_TOO_BIG: Number too big in "{}" quantifier.
* Since 2.16
* @G_REGEX_ERROR_UNTERMINATED_CHARACTER_CLASS: Missing terminating "]" for
* character class. Since 2.16
* @G_REGEX_ERROR_INVALID_ESCAPE_IN_CHARACTER_CLASS: Invalid escape sequenc
e
* in character class. Since 2.16
* @G_REGEX_ERROR_RANGE_OUT_OF_ORDER: Range out of order in character class
.
* Since 2.16
* @G_REGEX_ERROR_NOTHING_TO_REPEAT: Nothing to repeat. Since 2.16
* @G_REGEX_ERROR_UNRECOGNIZED_CHARACTER: Unrecognized character after "(?"
,
* "(?&lt;" or "(?P". Since 2.16
* @G_REGEX_ERROR_POSIX_NAMED_CLASS_OUTSIDE_CLASS: POSIX named classes are
* supported only within a class. Since 2.16
* @G_REGEX_ERROR_UNMATCHED_PARENTHESIS: Missing terminating ")" or ")"
* without opening "(". Since 2.16
* @G_REGEX_ERROR_INEXISTENT_SUBPATTERN_REFERENCE: Reference to non-existen
t
* subpattern. Since 2.16
* @G_REGEX_ERROR_UNTERMINATED_COMMENT: Missing terminating ")" after comme
nt.
* Since 2.16
* @G_REGEX_ERROR_EXPRESSION_TOO_LARGE: Regular expression too large.
* Since 2.16
* @G_REGEX_ERROR_MEMORY_ERROR: Failed to get memory. Since 2.16
* @G_REGEX_ERROR_VARIABLE_LENGTH_LOOKBEHIND: Lookbehind assertion is not
* fixed length. Since 2.16
* @G_REGEX_ERROR_MALFORMED_CONDITION: Malformed number or name after "(?("
.
* Since 2.16
* @G_REGEX_ERROR_TOO_MANY_CONDITIONAL_BRANCHES: Conditional group contains
* more than two branches. Since 2.16
* @G_REGEX_ERROR_ASSERTION_EXPECTED: Assertion expected after "(?(".
* Since 2.16
* @G_REGEX_ERROR_UNKNOWN_POSIX_CLASS_NAME: Unknown POSIX class name.
* Since 2.16
* @G_REGEX_ERROR_POSIX_COLLATING_ELEMENTS_NOT_SUPPORTED: POSIX collating
* elements are not supported. Since 2.16
* @G_REGEX_ERROR_HEX_CODE_TOO_LARGE: Character value in "\\x{...}" sequenc
e
* is too large. Since 2.16
* @G_REGEX_ERROR_INVALID_CONDITION: Invalid condition "(?(0)". Since 2.16
* @G_REGEX_ERROR_SINGLE_BYTE_MATCH_IN_LOOKBEHIND: \\C not allowed in
* lookbehind assertion. Since 2.16
* @G_REGEX_ERROR_INFINITE_LOOP: Recursive call could loop indefinitely.
* Since 2.16
* @G_REGEX_ERROR_MISSING_SUBPATTERN_NAME_TERMINATOR: Missing terminator
* in subpattern name. Since 2.16
* @G_REGEX_ERROR_DUPLICATE_SUBPATTERN_NAME: Two named subpatterns have
* the same name. Since 2.16
* @G_REGEX_ERROR_MALFORMED_PROPERTY: Malformed "\\P" or "\\p" sequence.
* Since 2.16
* @G_REGEX_ERROR_UNKNOWN_PROPERTY: Unknown property name after "\\P" or
* "\\p". Since 2.16
* @G_REGEX_ERROR_SUBPATTERN_NAME_TOO_LONG: Subpattern name is too long
* (maximum 32 characters). Since 2.16
* @G_REGEX_ERROR_TOO_MANY_SUBPATTERNS: Too many named subpatterns (maximum
* 10,000). Since 2.16
* @G_REGEX_ERROR_INVALID_OCTAL_VALUE: Octal value is greater than "\\377".
* Since 2.16
* @G_REGEX_ERROR_TOO_MANY_BRANCHES_IN_DEFINE: "DEFINE" group contains more
* than one branch. Since 2.16
* @G_REGEX_ERROR_DEFINE_REPETION: Repeating a "DEFINE" group is not allowe
d.
* Since 2.16
* @G_REGEX_ERROR_INCONSISTENT_NEWLINE_OPTIONS: Inconsistent newline option
s.
* Since 2.16
* @G_REGEX_ERROR_MISSING_BACK_REFERENCE: "\\g" is not followed by a braced
* name or an optionally braced non-zero number. Since 2.16
*
* Error codes returned by regular expressions functions.
*
* Since: 2.14
*/
typedef enum typedef enum
{ {
G_REGEX_ERROR_COMPILE, G_REGEX_ERROR_COMPILE,
G_REGEX_ERROR_OPTIMIZE, G_REGEX_ERROR_OPTIMIZE,
G_REGEX_ERROR_REPLACE, G_REGEX_ERROR_REPLACE,
G_REGEX_ERROR_MATCH, G_REGEX_ERROR_MATCH,
G_REGEX_ERROR_INTERNAL, G_REGEX_ERROR_INTERNAL,
/* These are the error codes from PCRE + 100 */ /* These are the error codes from PCRE + 100 */
G_REGEX_ERROR_STRAY_BACKSLASH = 101, G_REGEX_ERROR_STRAY_BACKSLASH = 101,
skipping to change at line 82 skipping to change at line 165
G_REGEX_ERROR_UNKNOWN_PROPERTY = 147, G_REGEX_ERROR_UNKNOWN_PROPERTY = 147,
G_REGEX_ERROR_SUBPATTERN_NAME_TOO_LONG = 148, G_REGEX_ERROR_SUBPATTERN_NAME_TOO_LONG = 148,
G_REGEX_ERROR_TOO_MANY_SUBPATTERNS = 149, G_REGEX_ERROR_TOO_MANY_SUBPATTERNS = 149,
G_REGEX_ERROR_INVALID_OCTAL_VALUE = 151, G_REGEX_ERROR_INVALID_OCTAL_VALUE = 151,
G_REGEX_ERROR_TOO_MANY_BRANCHES_IN_DEFINE = 154, G_REGEX_ERROR_TOO_MANY_BRANCHES_IN_DEFINE = 154,
G_REGEX_ERROR_DEFINE_REPETION = 155, G_REGEX_ERROR_DEFINE_REPETION = 155,
G_REGEX_ERROR_INCONSISTENT_NEWLINE_OPTIONS = 156, G_REGEX_ERROR_INCONSISTENT_NEWLINE_OPTIONS = 156,
G_REGEX_ERROR_MISSING_BACK_REFERENCE = 157 G_REGEX_ERROR_MISSING_BACK_REFERENCE = 157
} GRegexError; } GRegexError;
/**
* G_REGEX_ERROR:
*
* Error domain for regular expressions. Errors in this domain will be
* from the #GRegexError enumeration. See #GError for information on
* error domains.
*
* Since: 2.14
*/
#define G_REGEX_ERROR g_regex_error_quark () #define G_REGEX_ERROR g_regex_error_quark ()
GQuark g_regex_error_quark (void); GQuark g_regex_error_quark (void);
/**
* GRegexCompileFlags:
* @G_REGEX_CASELESS: Letters in the pattern match both upper- and
* lowercase letters. This option can be changed within a pattern
* by a "(?i)" option setting.
* @G_REGEX_MULTILINE: By default, GRegex treats the strings as consisting
* of a single line of characters (even if it actually contains
* newlines). The "start of line" metacharacter ("^") matches only
* at the start of the string, while the "end of line" metacharacter
* ("$") matches only at the end of the string, or before a terminating
* newline (unless #G_REGEX_DOLLAR_ENDONLY is set). When
* #G_REGEX_MULTILINE is set, the "start of line" and "end of line"
* constructs match immediately following or immediately before any
* newline in the string, respectively, as well as at the very start
* and end. This can be changed within a pattern by a "(?m)" option
* setting.
* @G_REGEX_DOTALL: A dot metacharater (".") in the pattern matches all
* characters, including newlines. Without it, newlines are excluded.
* This option can be changed within a pattern by a ("?s") option setti
ng.
* @G_REGEX_EXTENDED: Whitespace data characters in the pattern are
* totally ignored except when escaped or inside a character class.
* Whitespace does not include the VT character (code 11). In addition,
* characters between an unescaped "#" outside a character class and
* the next newline character, inclusive, are also ignored. This can
* be changed within a pattern by a "(?x)" option setting.
* @G_REGEX_ANCHORED: The pattern is forced to be "anchored", that is,
* it is constrained to match only at the first matching point in the
* string that is being searched. This effect can also be achieved by
* appropriate constructs in the pattern itself such as the "^"
* metacharater.
* @G_REGEX_DOLLAR_ENDONLY: A dollar metacharacter ("$") in the pattern
* matches only at the end of the string. Without this option, a
* dollar also matches immediately before the final character if
* it is a newline (but not before any other newlines). This option
* is ignored if #G_REGEX_MULTILINE is set.
* @G_REGEX_UNGREEDY: Inverts the "greediness" of the quantifiers so that
* they are not greedy by default, but become greedy if followed by "?"
.
* 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
* 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 number
s
* in the usual way).
* @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_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
* matched.
* @G_REGEX_NEWLINE_CR: Usually any newline character is recognized, if thi
s
* option is set, the only recognized newline character is '\r'.
* @G_REGEX_NEWLINE_LF: Usually any newline character is recognized, if thi
s
* option is set, the only recognized newline character is '\n'.
* @G_REGEX_NEWLINE_CRLF: Usually any newline character is recognized, if t
his
* option is set, the only recognized newline character sequence is '\r
\n'.
*
* Flags specifying compile-time options.
*
* Since: 2.14
*/
/* Remember to update G_REGEX_COMPILE_MASK in gregex.c after /* Remember to update G_REGEX_COMPILE_MASK in gregex.c after
* adding a new flag. */ * adding a new flag. */
typedef enum typedef enum
{ {
G_REGEX_CASELESS = 1 << 0, G_REGEX_CASELESS = 1 << 0,
G_REGEX_MULTILINE = 1 << 1, G_REGEX_MULTILINE = 1 << 1,
G_REGEX_DOTALL = 1 << 2, G_REGEX_DOTALL = 1 << 2,
G_REGEX_EXTENDED = 1 << 3, G_REGEX_EXTENDED = 1 << 3,
G_REGEX_ANCHORED = 1 << 4, G_REGEX_ANCHORED = 1 << 4,
G_REGEX_DOLLAR_ENDONLY = 1 << 5, G_REGEX_DOLLAR_ENDONLY = 1 << 5,
G_REGEX_UNGREEDY = 1 << 9, G_REGEX_UNGREEDY = 1 << 9,
G_REGEX_RAW = 1 << 11, G_REGEX_RAW = 1 << 11,
G_REGEX_NO_AUTO_CAPTURE = 1 << 12, G_REGEX_NO_AUTO_CAPTURE = 1 << 12,
G_REGEX_OPTIMIZE = 1 << 13, G_REGEX_OPTIMIZE = 1 << 13,
G_REGEX_DUPNAMES = 1 << 19, G_REGEX_DUPNAMES = 1 << 19,
G_REGEX_NEWLINE_CR = 1 << 20, G_REGEX_NEWLINE_CR = 1 << 20,
G_REGEX_NEWLINE_LF = 1 << 21, G_REGEX_NEWLINE_LF = 1 << 21,
G_REGEX_NEWLINE_CRLF = G_REGEX_NEWLINE_CR | G_REGEX_NEWLINE_LF G_REGEX_NEWLINE_CRLF = G_REGEX_NEWLINE_CR | G_REGEX_NEWLINE_LF
} GRegexCompileFlags; } GRegexCompileFlags;
/**
* GRegexMatchFlags:
* @G_REGEX_MATCH_ANCHORED: The pattern is forced to be "anchored", that is
,
* it is constrained to match only at the first matching point in the
* string that is being searched. This effect can also be achieved by
* appropriate constructs in the pattern itself such as the "^"
* metacharater.
* @G_REGEX_MATCH_NOTBOL: Specifies that first character of the string is
* not the beginning of a line, so the circumflex metacharacter should
* not match before it. Setting this without #G_REGEX_MULTILINE (at
* compile time) causes circumflex never to match. This option affects
* only the behaviour of the circumflex metacharacter, it does not
* affect "\A".
* @G_REGEX_MATCH_NOTEOL: Specifies that the end of the subject string is
* not the end of a line, so the dollar metacharacter should not match
* it nor (except in multiline mode) a newline immediately before it.
* Setting this without #G_REGEX_MULTILINE (at compile time) causes
* dollar never to match. This option affects only the behaviour of
* the dollar metacharacter, it does not affect "\Z" or "\z".
* @G_REGEX_MATCH_NOTEMPTY: An empty string is not considered to be a valid
* match if this option is set. If there are alternatives in the patter
n,
* they are tried. If all the alternatives match the empty string, the
* entire match fails. For example, if the pattern "a?b?" is applied to
* a string not beginning with "a" or "b", it matches the empty string
* at the start of the string. With this flag set, this match is not
* valid, so GRegex searches further into the string for occurrences
* of "a" or "b".
* @G_REGEX_MATCH_PARTIAL: Turns on the partial matching feature, for more
* documentation on partial matching see g_match_info_is_partial_match(
).
* @G_REGEX_MATCH_NEWLINE_CR: Overrides the newline definition set when
* creating a new #GRegex, setting the '\r' character as line terminato
r.
* @G_REGEX_MATCH_NEWLINE_LF: Overrides the newline definition set when
* creating a new #GRegex, setting the '\n' character as line terminato
r.
* @G_REGEX_MATCH_NEWLINE_CRLF: Overrides the newline definition set when
* creating a new #GRegex, setting the '\r\n' characters as line termin
ator.
* @G_REGEX_MATCH_NEWLINE_ANY: Overrides the newline definition set when
* creating a new #GRegex, any newline character or character sequence
* is recognized.
*
* Flags specifying match-time options.
*
* Since: 2.14
*/
/* Remember to update G_REGEX_MATCH_MASK in gregex.c after /* Remember to update G_REGEX_MATCH_MASK in gregex.c after
* adding a new flag. */ * adding a new flag. */
typedef enum typedef enum
{ {
G_REGEX_MATCH_ANCHORED = 1 << 4, G_REGEX_MATCH_ANCHORED = 1 << 4,
G_REGEX_MATCH_NOTBOL = 1 << 7, G_REGEX_MATCH_NOTBOL = 1 << 7,
G_REGEX_MATCH_NOTEOL = 1 << 8, G_REGEX_MATCH_NOTEOL = 1 << 8,
G_REGEX_MATCH_NOTEMPTY = 1 << 10, G_REGEX_MATCH_NOTEMPTY = 1 << 10,
G_REGEX_MATCH_PARTIAL = 1 << 15, G_REGEX_MATCH_PARTIAL = 1 << 15,
G_REGEX_MATCH_NEWLINE_CR = 1 << 20, G_REGEX_MATCH_NEWLINE_CR = 1 << 20,
G_REGEX_MATCH_NEWLINE_LF = 1 << 21, G_REGEX_MATCH_NEWLINE_LF = 1 << 21,
G_REGEX_MATCH_NEWLINE_CRLF = G_REGEX_MATCH_NEWLINE_CR | G_REGEX_MATCH_NE WLINE_LF, G_REGEX_MATCH_NEWLINE_CRLF = G_REGEX_MATCH_NEWLINE_CR | G_REGEX_MATCH_NE WLINE_LF,
G_REGEX_MATCH_NEWLINE_ANY = 1 << 22 G_REGEX_MATCH_NEWLINE_ANY = 1 << 22
} GRegexMatchFlags; } GRegexMatchFlags;
/**
* GRegex:
*
* A GRegex is the "compiled" form of a regular expression pattern. This
* structure is opaque and its fields cannot be accessed directly.
*
* Since: 2.14
*/
typedef struct _GRegex GRegex; typedef struct _GRegex GRegex;
typedef struct _GMatchInfo GMatchInfo; typedef struct _GMatchInfo GMatchInfo;
/**
* GRegexEvalCallback:
* @match_info: the #GMatchInfo generated by the match.
* Use g_match_info_get_regex() and g_match_info_get_string() if you
* need the #GRegex or the matched string.
* @result: a #GString containing the new string
* @user_data: user data passed to g_regex_replace_eval()
*
* Specifies the type of the function passed to g_regex_replace_eval().
* It is called for each occurance of the pattern in the string passed
* to g_regex_replace_eval(), and it should append the replacement to
* @result.
*
* Returns: %FALSE to continue the replacement process, %TRUE to stop it
*
* Since: 2.14
*/
typedef gboolean (*GRegexEvalCallback) (const GMatchInfo *match_inf o, typedef gboolean (*GRegexEvalCallback) (const GMatchInfo *match_inf o,
GString *result, GString *result,
gpointer user_data ); gpointer user_data );
GRegex *g_regex_new (const gchar *patter n, GRegex *g_regex_new (const gchar *patter n,
GRegexCompileFlags compil e_options, GRegexCompileFlags compil e_options,
GRegexMatchFlags match_ options, GRegexMatchFlags match_ options,
GError **error) ; GError **error) ;
GRegex *g_regex_ref (GRegex *regex) ; GRegex *g_regex_ref (GRegex *regex) ;
void g_regex_unref (GRegex *regex) ; void g_regex_unref (GRegex *regex) ;
const gchar *g_regex_get_pattern (const GRegex *regex) ; const gchar *g_regex_get_pattern (const GRegex *regex) ;
gint g_regex_get_max_backref (const GRegex *regex) ; gint g_regex_get_max_backref (const GRegex *regex) ;
gint g_regex_get_capture_count (const GRegex *regex) ; gint g_regex_get_capture_count (const GRegex *regex) ;
gint g_regex_get_string_number (const GRegex *regex, gint g_regex_get_string_number (const GRegex *regex,
const gchar *name); const gchar *name);
gchar *g_regex_escape_string (const gchar *string , gchar *g_regex_escape_string (const gchar *string ,
gint length ); gint length );
GRegexCompileFlags g_regex_get_compile_flags (const GRegex *regex
);
GRegexMatchFlags g_regex_get_match_flags (const GRegex *regex
);
/* Matching. */ /* Matching. */
gboolean g_regex_match_simple (const gchar *patter n, gboolean g_regex_match_simple (const gchar *patter n,
const gchar *string , const gchar *string ,
GRegexCompileFlags compil e_options, GRegexCompileFlags compil e_options,
GRegexMatchFlags match_ options); GRegexMatchFlags match_ options);
gboolean g_regex_match (const GRegex *regex, gboolean g_regex_match (const GRegex *regex,
const gchar *string , const gchar *string ,
GRegexMatchFlags match_ options, GRegexMatchFlags match_ options,
GMatchInfo **match_ info); GMatchInfo **match_ info);
gboolean g_regex_match_full (const GRegex *regex, gboolean g_regex_match_full (const GRegex *regex,
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