nsAutoString (External) 编辑

Class Declaration

Method Overview

Base Classes

• nsStringContainer

Data Members

No public members.

Methods

get

PRUnichar* get() const - source

 

operator=

nsString_external& operator=(const nsString_external&) - source

Parameters

• nsString_external& aString

nsAString& operator=(const nsAString&) - source

Parameters

• nsAString& aString

nsAString& operator=(const PRUnichar*) - source

Parameters

• PRUnichar* aPtr

nsAString& operator=(PRUnichar) - source

Parameters

• PRUnichar aChar

Adopt

void Adopt(const PRUnichar*, PRUint32) - source

Parameters

• PRUnichar* aData
• PRUint32 aLength

BeginReading

PRUint32 BeginReading(const PRUnichar**, const PRUnichar**) const - source

Returns the length, beginning, and end of a string in one operation.

Parameters

• PRUnichar** begin
• PRUnichar** end

PRUnichar* BeginReading() const - source

 

EndReading

PRUnichar* EndReading() const - source

 

CharAt

PRUnichar CharAt(PRUint32) const - source

Parameters

• PRUint32 aPos

operator[]

PRUnichar operator[](PRUint32) const - source

Parameters

• PRUint32 aPos

First

PRUnichar First() const - source

 

BeginWriting

PRUint32 BeginWriting(PRUnichar**, PRUnichar**, PRUint32) - source

Get the length, begin writing, and optionally set the length of a
string all in one operation.

@param   newSize Size the string to this length. Pass PR_UINT32_MAX
to leave the length unchanged.
@return  The new length of the string, or 0 if resizing failed.

Parameters

• PRUnichar** begin
• PRUnichar** end
• PRUint32 newSize

PRUnichar* BeginWriting(PRUint32) - source

Parameters

• PRUint32 <anonymous>

EndWriting

PRUnichar* EndWriting() - source

 

SetLength

PRBool SetLength(PRUint32) - source

Parameters

• PRUint32 aLen

Length

PRUint32 Length() const - source

 

IsEmpty

PRBool IsEmpty() const - source

 

SetIsVoid

void SetIsVoid(PRBool) - source

Parameters

• PRBool val

IsVoid

PRBool IsVoid() const - source

 

Assign

void Assign(const nsAString&) - source

Parameters

• nsAString& aString

void Assign(const PRUnichar*, PRUint32) - source

Parameters

• PRUnichar* aData
• PRUint32 aLength

void Assign(PRUnichar) - source

Parameters

• PRUnichar aChar

AssignLiteral

void AssignLiteral(const char*) - source

Parameters

• char* aStr

Replace

void Replace(PRUint32, PRUint32, const PRUnichar*, PRUint32) - source

Parameters

• PRUint32 cutStart
• PRUint32 cutLength
• PRUnichar* data
• PRUint32 length

void Replace(PRUint32, PRUint32, PRUnichar) - source

Parameters

• PRUint32 cutStart
• PRUint32 cutLength
• PRUnichar c

void Replace(PRUint32, PRUint32, const nsAString&) - source

Parameters

• PRUint32 cutStart
• PRUint32 cutLength
• nsAString& readable

Append

void Append(PRUnichar) - source

Parameters

• PRUnichar c

void Append(const PRUnichar*, PRUint32) - source

Parameters

• PRUnichar* data
• PRUint32 length

void Append(const nsAString&) - source

Parameters

• nsAString& readable

AppendLiteral

void AppendLiteral(const char*) - source

Parameters

• char* aASCIIStr

operator+=

nsAString& operator+=(PRUnichar) - source

Parameters

• PRUnichar c

nsAString& operator+=(const PRUnichar*) - source

Parameters

• PRUnichar* data

nsAString& operator+=(const nsAString&) - source

Parameters

• nsAString& readable

Insert

void Insert(PRUnichar, PRUint32) - source

Parameters

• PRUnichar c
• PRUint32 pos

void Insert(const PRUnichar*, PRUint32, PRUint32) - source

Parameters

• PRUnichar* data
• PRUint32 pos
• PRUint32 length

void Insert(const nsAString&, PRUint32) - source

Parameters

• nsAString& readable
• PRUint32 pos

Cut

void Cut(PRUint32, PRUint32) - source

Parameters

• PRUint32 cutStart
• PRUint32 cutLength

Truncate

void Truncate() - source

 

StripChars

void StripChars(const char*) - source

Remove all occurrences of characters in aSet from the string.

Parameters

• char* aSet

StripWhitespace

void StripWhitespace() - source

Strip whitespace characters from the string.

Trim

void Trim(const char*, PRBool, PRBool) - source

Parameters

• char* aSet
• PRBool aLeading
• PRBool aTrailing

DefaultComparator

PRInt32 DefaultComparator(const PRUnichar*, const PRUnichar*, PRUint32) - source

Parameters

• PRUnichar* a
• PRUnichar* b
• PRUint32 length

Compare

PRInt32 Compare(const PRUnichar*, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Parameters

• PRUnichar* other
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

PRInt32 Compare(const nsAString&, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Parameters

• nsAString& other
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

Equals

PRBool Equals(const PRUnichar*, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Parameters

• PRUnichar* other
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

PRBool Equals(const nsAString&, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Parameters

• nsAString& other
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

operator<

PRBool operator<(const nsAString&) const - source

Parameters

• nsAString& other

PRBool operator<(const PRUnichar*) const - source

Parameters

• PRUnichar* other

operator<=

PRBool operator<=(const nsAString&) const - source

Parameters

• nsAString& other

PRBool operator<=(const PRUnichar*) const - source

Parameters

• PRUnichar* other

operator==

PRBool operator==(const nsAString&) const - source

Parameters

• nsAString& other

PRBool operator==(const PRUnichar*) const - source

Parameters

• PRUnichar* other

operator>=

PRBool operator>=(const nsAString&) const - source

Parameters

• nsAString& other

PRBool operator>=(const PRUnichar*) const - source

Parameters

• PRUnichar* other

operator>

PRBool operator>(const nsAString&) const - source

Parameters

• nsAString& other

PRBool operator>(const PRUnichar*) const - source

Parameters

• PRUnichar* other

operator!=

PRBool operator!=(const nsAString&) const - source

Parameters

• nsAString& other

PRBool operator!=(const PRUnichar*) const - source

Parameters

• PRUnichar* other

EqualsLiteral

PRBool EqualsLiteral(const char*) const - source

Parameters

• char* aASCIIString

LowerCaseEqualsLiteral

PRBool LowerCaseEqualsLiteral(const char*) const - source

Case-insensitive match this string to a lowercase ASCII string.

Parameters

• char* aASCIIString

Find

PRInt32 Find(const nsAString&, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Find the first occurrence of aStr in this string.

@return the offset of aStr, or -1 if not found

Parameters

• nsAString& aStr
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

PRInt32 Find(const nsAString&, PRUint32, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Find the first occurrence of aStr in this string, beginning at aOffset.

@return the offset of aStr, or -1 if not found

Parameters

• nsAString& aStr
• PRUint32 aOffset
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

PRInt32 Find(const char*, PRBool) const - source

Find an ASCII string within this string.

@return the offset of aStr, or -1 if not found.

Parameters

• char* aStr
• PRBool aIgnoreCase

PRInt32 Find(const char*, PRUint32, PRBool) const - source

Parameters

• char* aStr
• PRUint32 aOffset
• PRBool aIgnoreCase

RFind

PRInt32 RFind(const nsAString&, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Find the last occurrence of aStr in this string.

@return The offset of aStr from the beginning of the string,
or -1 if not found.

Parameters

• nsAString& aStr
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

PRInt32 RFind(const nsAString&, PRInt32, PRInt32 (*)(const PRUnichar*, const PRUnichar*, PRUint32)) const - source

Find the last occurrence of aStr in this string, beginning at aOffset.

@param aOffset the offset from the beginning of the string to begin
searching. If aOffset < 0, search from end of this string.
@return The offset of aStr from the beginning of the string,
or -1 if not found.

Parameters

• nsAString& aStr
• PRInt32 aOffset
• PRInt32 (*)(PRUnichar*, PRUnichar*, PRUint32) c

PRInt32 RFind(const char*, PRBool) const - source

Find the last occurrence of an ASCII string within this string.

@return The offset of aStr from the beginning of the string,
or -1 if not found.

Parameters

• char* aStr
• PRBool aIgnoreCase

PRInt32 RFind(const char*, PRInt32, PRBool) const - source

Find the last occurrence of an ASCII string beginning at aOffset.

@param aOffset the offset from the beginning of the string to begin
searching. If aOffset < 0, search from end of this string.
@return The offset of aStr from the beginning of the string,
or -1 if not found.

Parameters

• char* aStr
• PRInt32 aOffset
• PRBool aIgnoreCase

FindChar

PRInt32 FindChar(PRUnichar, PRUint32) const - source

Search for the offset of the first occurrence of a character in a
string.

@param aOffset the offset from the beginning of the string to begin
searching
@return The offset of the character from the beginning of the string,
or -1 if not found.

Parameters

• PRUnichar aChar
• PRUint32 aOffset

RFindChar

PRInt32 RFindChar(PRUnichar) const - source

Search for the offset of the last occurrence of a character in a
string.

@return The offset of the character from the beginning of the string,
or -1 if not found.

Parameters

• PRUnichar aChar

AppendInt

void AppendInt(int, PRInt32) - source

Append a string representation of a number.

Parameters

• int aInt
• PRInt32 aRadix

ToInteger

PRInt32 ToInteger(nsresult*, PRUint32) const - source

Convert this string to an integer.

@param aErrorCode pointer to contain result code.
@param aRadix must be 10 or 16

Parameters

• nsresult* aErrorCode
• PRUint32 aRadix