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Constructs an emptyMessagePattern with default UMessagePatternApostropheMode.

Parameters

errorCode

Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.)

Stable:

ICU 4.8

Constructs an emptyMessagePattern.

Parameters

mode	Explicit UMessagePatternApostropheMode.
errorCode	Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.)

Stable:

ICU 4.8

Constructs aMessagePattern with default UMessagePatternApostropheMode and parses theMessageFormat pattern string.

Parameters

pattern	aMessageFormat pattern string
parseError	Struct to receive information on the position of an error within the pattern. Can be nullptr.
errorCode	Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.) TODO: turn

Exceptions

into	UErrorCode specifics?
IllegalArgumentException	for syntax errors in the pattern string
IndexOutOfBoundsException	if certain limits are exceeded (e.g., argument number too high, argument name too long, etc.)
NumberFormatException	if a number could not be parsed

Stable:

ICU 4.8

Copy constructor.

Parameters

other

Object to copy.

Stable:

ICU 4.8

Destructor.

Stable:

ICU 4.8

Returns a version of the parsed pattern string where each ASCII apostrophe is doubled (escaped) if it is not already, and if it is not interpreted as quoting syntax.

For example, this turns "I don't '{know}' {gender,select,female{h''er}other{h'im}}." into "I don''t '{know}' {gender,select,female{h''er}other{h''im}}."

Returns

the deep-auto-quoted version of the parsed pattern string.

See also

MessageFormat.autoQuoteApostrophe()

Stable:

ICU 4.8

Clears thisMessagePattern.

countParts() will return 0.

Stable:

ICU 4.8

Clears thisMessagePattern and sets the UMessagePatternApostropheMode.

countParts() will return 0.

Parameters

mode	The new UMessagePatternApostropheMode.

Stable:

ICU 4.8

Definition at line519 of filemessagepattern.h.

Returns the number of "parts" created by parsing the pattern string.

Returns 0 if no pattern has been parsed orclear() was called.

Returns

the number of pattern parts.

Stable:

ICU 4.8

Definition at line616 of filemessagepattern.h.

Returns

this instance's UMessagePatternApostropheMode.

Stable:

ICU 4.8

Definition at line550 of filemessagepattern.h.

Returns the index of the ARG|MSG_LIMIT part corresponding to the ARG|MSG_START at start.

Parameters

start

The index of somePart data (0..countParts()-1); thisPart should be of Type ARG_START or MSG_START.

Returns

The first i>start where getPart(i).getType()==ARG|MSG_LIMIT at the same nesting level, or start itself if getPartType(msgStart)!=ARG|MSG_START.

Stable:

ICU 4.8

Definition at line698 of filemessagepattern.h.

Returns the numeric value associated with an ARG_INT or ARG_DOUBLE.

Parameters

part	a part of thisMessagePattern.

Returns

the part's numeric value, or UMSGPAT_NO_NUMERIC_VALUE if this is not a numeric part.

Stable:

ICU 4.8

Gets the i-th pattern "part".

Parameters

i	The index of thePart data. (0..countParts()-1)

Returns

the i-th pattern "part".

Stable:

ICU 4.8

Definition at line626 of filemessagepattern.h.

Returns the UMessagePatternPartType of the i-th pattern "part".

Convenience method for getPart(i).getType().

Parameters

i	The index of thePart data. (0..countParts()-1)

Returns

The UMessagePatternPartType of the i-thPart.

Stable:

ICU 4.8

Definition at line637 of filemessagepattern.h.

Returns the pattern index of the specified pattern "part".

Convenience method for getPart(partIndex).getIndex().

Parameters

partIndex

The index of thePart data. (0..countParts()-1)

Returns

The pattern index of thisPart.

Stable:

ICU 4.8

Definition at line648 of filemessagepattern.h.

Returns

the parsed pattern string (null if none was parsed).

Stable:

ICU 4.8

Definition at line561 of filemessagepattern.h.

Returns the "offset:" value of aPluralFormat argument, or 0 if none is specified.

Parameters

pluralStart

the index of the firstPluralFormat argument style part. (0..countParts()-1)

Returns

the "offset:" value.

Stable:

ICU 4.8

Returns the substring of the pattern string indicated by thePart.

Convenience method forgetPatternString().substring(part.getIndex(), part.getLimit()).

Parameters

part	a part of thisMessagePattern.

Returns

the substring associated with part.

Stable:

ICU 4.8

Definition at line659 of filemessagepattern.h.

Referencesicu::UnicodeString::tempSubString().

Returns

A hash code for this object.

Stable:

ICU 4.8

Does the parsed pattern have named arguments like {first_name}?

Returns

true if the parsed pattern has at least one named argument.

Stable:

ICU 4.8

Definition at line570 of filemessagepattern.h.

Does the parsed pattern have numbered arguments like {2}?

Returns

true if the parsed pattern has at least one numbered argument.

Stable:

ICU 4.8

Definition at line579 of filemessagepattern.h.

Parameters

other

another object to compare with.

Returns

false if this object is equivalent to the other one.

Stable:

ICU 4.8

Definition at line536 of filemessagepattern.h.

Referencesicu::operator==().

Assignment operator.

Parameters

other

Object to copy.

Returns

*this=other

Stable:

ICU 4.8

Parameters

other

another object to compare with.

Returns

true if this object is equivalent to the other one.

Stable:

ICU 4.8

Parses aMessageFormat pattern string.

Parameters

pattern	aMessageFormat pattern string
parseError	Struct to receive information on the position of an error within the pattern. Can be nullptr.
errorCode	Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.)

Returns

*this

Exceptions

IllegalArgumentException	for syntax errors in the pattern string
IndexOutOfBoundsException	if certain limits are exceeded (e.g., argument number too high, argument name too long, etc.)
NumberFormatException	if a number could not be parsed

Stable:

ICU 4.8

Parses aChoiceFormat pattern string.

Parameters

pattern	aChoiceFormat pattern string
parseError	Struct to receive information on the position of an error within the pattern. Can be nullptr.
errorCode	Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.)

Returns

*this

Exceptions

IllegalArgumentException	for syntax errors in the pattern string
IndexOutOfBoundsException	if certain limits are exceeded (e.g., argument number too high, argument name too long, etc.)
NumberFormatException	if a number could not be parsed

Stable:

ICU 4.8

Parses aPluralFormat pattern string.

Parameters

pattern	aPluralFormat pattern string
parseError	Struct to receive information on the position of an error within the pattern. Can be nullptr.
errorCode	Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.)

Returns

*this

Exceptions

IllegalArgumentException	for syntax errors in the pattern string
IndexOutOfBoundsException	if certain limits are exceeded (e.g., argument number too high, argument name too long, etc.)
NumberFormatException	if a number could not be parsed

Stable:

ICU 4.8

Parses aSelectFormat pattern string.

Parameters

pattern	aSelectFormat pattern string
parseError	Struct to receive information on the position of an error within the pattern. Can be nullptr.
errorCode	Standard ICU error code. Its input value must pass theU_SUCCESS() test, or else the function returns immediately. Check forU_FAILURE() on output or use with function chaining. (See User Guide for details.)

Returns

*this

Exceptions

IllegalArgumentException	for syntax errors in the pattern string
IndexOutOfBoundsException	if certain limits are exceeded (e.g., argument number too high, argument name too long, etc.)
NumberFormatException	if a number could not be parsed

Stable:

ICU 4.8

Compares the part's substring with the input string s.

Parameters

part	a part of thisMessagePattern.
s	a string.

Returns

true if getSubstring(part).equals(s).

Stable:

ICU 4.8

Definition at line670 of filemessagepattern.h.

Validates and parses an argument name or argument number string.

An argument name must be a "pattern identifier", that is, it must contain no Unicode Pattern_Syntax or Pattern_White_Space characters. If it only contains ASCII digits, then it must be a small integer with no leading zero.

Parameters

name	Input string.

Returns

>=0 if the name is a valid number, ARG_NAME_NOT_NUMBER (-1) if it is a "pattern identifier" but not all ASCII digits, ARG_NAME_NOT_VALID (-2) if it is neither.

Stable:

ICU 4.8