SbString(3)

NAME
SbString - The SbString class is a string class with convenience functions for string operations.

SYNOPSIS

#include <Inventor/SbString.h>

  Public Member Functions
SbString (void)
SbString (const char *s)
SbString (const wchar_t *s)
SbString (const char *s, int start, int end)
SbString (const SbString &s)
SbString (const int digits)
~SbString ()
uint32_t hash (void) const
int getLength (void) const
void makeEmpty (SbBool freeold=TRUE)
const char * getString (void) const
SbString getSubString (int startidx, int endidx=-1) const
void deleteSubString (int startidx, int endidx=-1)
void addIntString (const int value)
char operator[] (int index) const
SbString & operator= (const char *s)
SbString & operator= (const SbString &s)
SbString & operator+= (const char *s)
SbString & operator+= (const SbString &s)
SbString & operator+= (const char c)
int operator! (void) const
int compareSubString (const char *text, int offset=0) const
SbString & sprintf (const char *formatstr,...)
SbString & vsprintf (const char *formatstr, va_list args)
void apply (char(*func)(char input))
int find (const SbString &s) const
SbBool findAll (const SbString &s, SbIntList &found) const
SbString lower () const
SbString upper () const
void print (std::FILE *fp) const

  Static Public Member Functions
static uint32_t hash (const char *s)

Detailed Description

The SbString class is a string class with convenience functions for string operations. This is the class used for storing and working with character strings. It automatically takes care of supporting all the "bookkeeping" tasks usually associated with working with character strings, like memory allocation and deallocation etc.

This class should also be well suited for use by the application programmer throughout the application using the Coin library.

See also
    SbName

Constructor & Destructor Documentation

  SbString::SbString (void ) [inline]
This is the default constructor. It initializes the string to be empty.

  SbString::SbString (const char * str) [inline]
This constructor assigns from the given string.

  SbString::SbString (const wchar_t * str) [inline]
This constructor converts the given string to UTF-8 and assigns it.

  SbString::SbString (const char * str, int start, int end) [inline]
This constructor constructs a string from the given substring from start to end indices inclusive. If end is -1, the substring from start until the end of the string is used.

  SbString::SbString (const SbString & str) [inline]
This is the copy constructor.

  SbString::SbString (const int digits) [inline]
Construct an SbString instance containing the digits of the integer argument.

  SbString::~SbString () [inline]
The destructor. Deallocates any internal resources used during the lifetime of the SbString instance.

Member Function Documentation

  uint32_t SbString::hash (void ) const [inline]
This method returns a reasonable hash value for the current string.

See also
    uint32_t SbString::hash(const char * s)

  uint32_t SbString::hash (const char * s) [inline], [static]
This static method returns a hash value for the given string.

  int SbString::getLength (void ) const [inline]
This method returns the length of the string.

  void SbString::makeEmpty (SbBool freeold = TRUE) [inline]
This method clears the string, making it an empty string (""). If freeold is TRUE (which is the default), the memory used by the old string is freed. Otherwise, memory will be kept and reused when the string is manipulated later.

  const char * SbString::getString (void ) const [inline]
This method returns the pointer to the string (character array).

  SbString SbString::getSubString (int startidx, int endidx = -1) const [inline]
This method returns a new string which contains a substring defined by the given indices startidx and endidx (inclusive).

If endidx is -1, the substring from startidx to the end of the string is used.

This will return a string which is (endidx - startidx + 1) characters long, i.e. if this string is "foo/bar" and we call by SbString::getSubString(0, 3), the returned string will be "foo/".

  void SbString::deleteSubString (int startidx, int endidx = -1) [inline]
This method deletes the substring defined by startidx and endidx (inclusive). If endidx is -1, the substring from startidx to the end of the string is deleted.

  void SbString::addIntString (const int value) [inline]
Constructs a string from the given integer (e.g. intToString(42) creates the string "42"), and adds this to the contents of the string.

  char SbString::operator[] (int index) const [inline]
Returns character at position index in the string.

See also
    getSubString()

  SbString & SbString::operator= (const char * str) [inline]
This is the assignment operator.

  SbString & SbString::operator= (const SbString & str) [inline]
Assign from the given string.

  SbString & SbString::operator+= (const char * str) [inline]
Concatenate the given string to the end of the current one.

  SbString & SbString::operator+= (const SbString & str) [inline]
Concatenate the given string to the end of the current one.

  SbString & SbString::operator+= (const char c) [inline]
Concatenate the given character to the end of the current string.

Note
    This member function is not compatible with OpenInventor.

  int SbString::operator! (void ) const [inline]
This unary operator results in TRUE if the current string is empty ("") or FALSE otherwise.

  int SbString::compareSubString (const char * text, int offset = 0) const [inline]
Uses text as a substring to be compared to the string, starting at offset offset. Return value is 0 upon success, and the failing character comparison difference upon failure.

  SbString & SbString::sprintf (const char * formatstr, ...) [inline]
Set SbString instance to the formatted string formatstr, replacing the current contents. The control characters within formatstr and the remaining arguments should follow the conventions of the printf() call.

Note that this function is not part of the original Open Inventor API.

  SbString & SbString::vsprintf (const char * formatstr, va_list args) [inline]
Set SbString instance to the formatted string formatstr, replacing the current contents. The control characters within formatstr and the arguments of the args argument list should follow the conventions of the printf() call.

Note that this function is not part of the original Open Inventor API.

  void SbString::apply (char(* func )(char input)) [inline]
Apply the conversion function func to every character of the current string. func is a pointer to a function that takes a character as input and returns a (probably converted) character.

Note that this function is not part of the original Open Inventor API.

  int SbString::find (const SbString & strarg) const
If s is found, the method returns the first index where s starts. Otherwise it returns -1.

Note: SbString::find() is a Coin specific extension to the original Open Inventor API.

See also
    SbString::findAll()

Since
    Coin 2.0

  SbBool SbString::findAll (const SbString & strarg, SbIntList & found) const
All occurrences of str is represented in found as indices to the characters where str starts. If 1 or more is found, TRUE is returned, else FALSE is returned.

Note: SbString::findAll() is an extension to the original Open Inventor API.

See also
    SbString::find()

Since
    Coin 2.0

  SbString SbString::lower () const
Converts all of the characters to lowercase using tolower().

Since
    Coin 3.1

  SbString SbString::upper () const
Converts all of the characters to uppercase using toupper().

Since
    Coin 3.1

  void SbString::print (std::FILE * fp) const
Dump the state of this object to the fp file stream. Only works in debug version of library, method does nothing in an optimized build.

Author

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