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Diffstat (limited to 'ace/SString.h')
| -rw-r--r-- | ace/SString.h | 672 |
1 files changed, 0 insertions, 672 deletions
diff --git a/ace/SString.h b/ace/SString.h deleted file mode 100644 index 7fd0cda8fab..00000000000 --- a/ace/SString.h +++ /dev/null @@ -1,672 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// ace -// -// = FILENAME -// SString.h -// -// = AUTHOR -// Douglas C. Schmidt (schmidt@cs.wustl.edu) -// -// ============================================================================ - -#ifndef ACE_SSTRING_H -#define ACE_SSTRING_H -#include "ace/pre.h" - -#include "ace/ACE.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -#if defined (ACE_HAS_WCHAR) -typedef wchar_t ACE_WSTRING_TYPE; -#else /* ACE_HAS_WCHAR */ -typedef ACE_USHORT16 ACE_WSTRING_TYPE; -#endif /* ACE_HAS_WCHAR */ - -// Forward decl. -class ACE_Allocator; - -class ACE_Export ACE_CString -{ - // = TITLE - // This class provides a wrapper facade for C strings. - // - // = DESCRIPTION - // This class uses an <ACE_Allocator> to allocate memory. The - // user can make this a persistant class by providing an - // ACE_Allocator with a persistable memory pool. This class is - // optimized for efficiency, so it doesn't provide any internal - // locking. - // - // NOTE: if an instance of this class is constructed from or - // assigned an empty string (with first element of '\0'), then it - // is _not_ allocated new space. Instead, its internal - // representation is set equal to a global empty string. - // - // CAUTION: in cases when ACE_CString is constructed from a - // provided buffer with the release parameter set to 0, - // ACE_CString is not guaranteed to be '\0' terminated. - -public: - static const int npos; - // No position constant - - ACE_CString (ACE_Allocator *alloc = 0); - // Default constructor. - - ACE_CString (const char *s, - ACE_Allocator *alloc = 0, - int release = 1); - // Constructor that copies <s> into dynamically allocated memory. - // If <release> is non-0 then the <ACE_allocator> is responsible for - // freeing this memory. Memory is _not_ allocated/freed if <release> - // is 0. - - ACE_CString (const char *s, - size_t len, - ACE_Allocator *alloc = 0, - int release = 1); - // Constructor that copies <len> chars of <s> into dynamically - // allocated memory (will NUL terminate the result). If <release> - // is non-0 then the <ACE_allocator> is responsible for freeing this - // memory. Memory is _not_ allocated/freed if <release> is 0. - - ACE_CString (const ACE_CString &); - // Copy constructor. - - ACE_CString (const ACE_WSTRING_TYPE *s, - ACE_Allocator *alloc = 0); - // Constructor that copies <s> into dynamically allocated memory. - // Probable loss of data. Please use with care. - - ACE_CString (char c, ACE_Allocator *alloc = 0); - // Constructor that copies <c> into dynamically allocated memory. - - ~ACE_CString (void); - // Deletes the memory... - - const char &operator [] (size_t slot) const; - // Return the <slot'th> character in the string (doesn't perform - // bounds checking). - - char &operator [] (size_t slot); - // Return the <slot'th> character by reference in the string - // (doesn't perform bounds checking). - - ACE_CString &operator = (const ACE_CString &); - // Assignment operator (does copy memory). - - void set (const char *s, int release = 1); - // Copy <s> into this <ACE_CString>. Memory is _not_ - // allocated/freed if <release> is 0. - - void set (const char *s, - size_t len, - int release); - // Copy <len> bytes of <s> (will NUL terminate the result). - // Memory is _not_ allocated/freed if <release> is 0. - - ACE_CString substring (size_t offset, ssize_t length = -1) const; - // Return a substring given an offset and length, if length == -1 - // use rest of str. Return empty substring if offset or - // offset/length are invalid. - - ACE_CString substr (size_t offset, ssize_t length = -1) const; - // Same as <substring>. - - ACE_CString &operator += (const ACE_CString &); - // Concat operator (copies memory). - - u_long hash (void) const; - // Returns a hash value for this string. - - size_t length (void) const; - // Return the length of the string. - - char *rep (void) const; - // Get a copy of the underlying pointer. - - const char *fast_rep (void) const; - // Get at the underlying representation directly! - // _Don't_ even think about casting the result to (char *) and modifying it, - // if it has length 0! - - const char *c_str (void) const; - // Same as STL String's <c_str> and <fast_rep>. - - int strstr (const ACE_CString &s) const; - // Comparison operator that will match substrings. Returns the - // slot of the first location that matches, else -1. - - int find (const ACE_CString &str, int pos = 0) const; - // Find <str> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int find (const char *s, int pos = 0) const; - // Find <s> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int find (char c, int pos = 0) const; - // Find <c> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int rfind (char c, int pos = npos) const; - // Find <c> starting at pos (counting from the end). Returns the - // slot of the first location that matches, else npos. - - int operator == (const ACE_CString &s) const; - // Equality comparison operator (must match entire string). - - int operator < (const ACE_CString &s) const; - // Less than comparison operator. - - int operator > (const ACE_CString &s) const; - // Greater than comparison operator. - - int operator != (const ACE_CString &s) const; - // Inequality comparison operator. - - int compare (const ACE_CString &s) const; - // Performs a <strcmp>-style comparison. - - void dump (void) const; - // Dump the state of an object. - - ACE_ALLOC_HOOK_DECLARE; - // Declare the dynamic allocation hooks. - -private: - ACE_Allocator *allocator_; - // Pointer to a memory allocator. - - size_t len_; - // Length of the ACE_CString data (not counting the trailing '\0'). - - size_t buf_len_; - // Length of the ACE_CString data buffer. Keeping track of the - // length allows to avoid unnecessary dynamic allocations. - - char *rep_; - // Pointer to data. - - int release_; - // Flag that indicates if we own the memory - - static char NULL_CString_; - // Represents the "NULL" string to simplify the internal logic. -}; - -ACE_Export ACE_INLINE ACE_CString operator + (const ACE_CString &, - const ACE_CString &); -#if !defined (ACE_LACKS_IOSTREAM_TOTALLY) -ACE_Export ostream &operator << (ostream &, const ACE_CString &); -#endif /* ! ACE_LACKS_IOSTREAM_TOTALLY */ - -class ACE_Export ACE_WString -{ - // = TITLE - // This class provides a wrapper facade for C wide strings. - // - // = DESCRIPTION - // This class uses an <ACE_Allocator> to allocate memory. The - // user can make this a persistant class by providing an - // <ACE_Allocator> with a persistable memory pool. This class is - // optimized for efficiency, so it doesn't provide any internal - // locking. -public: - static const int npos; - // No position constant - - ACE_WString (ACE_Allocator *alloc = 0); - // Default constructor. - - ACE_WString (const char *s, - ACE_Allocator *alloc = 0); - // Constructor that copies <s> into dynamically allocated memory. - - ACE_WString (const ACE_WSTRING_TYPE *s, - ACE_Allocator *alloc = 0); - // Constructor that copies <s> into dynamically allocated memory. - -#if defined (ACE_WSTRING_HAS_USHORT_SUPPORT) - ACE_WString (const ACE_USHORT16 *s, - size_t len, - ACE_Allocator *alloc = 0); - // Constructor that takes in a ushort16 string (mainly used by the - // ACE Name_Space classes) -#endif /* ACE_WSTRING_HAS_USHORT_SUPPORT */ - - ACE_WString (const ACE_WSTRING_TYPE *s, - size_t len, - ACE_Allocator *alloc = 0); - // Constructor that copies <len> ACE_WSTRING_TYPE's of <s> into dynamically - // allocated memory (will NUL terminate the result). - - ACE_WString (size_t len, ACE_Allocator *alloc = 0); - // Constructor that dynamically allocates memory for <len> + 1 - // ACE_WSTRING_TYPE characters. The newly created memory is set memset to 0. - - ACE_WString (const ACE_WString &s); - // Copy constructor. - - ACE_WString (ACE_WSTRING_TYPE c, ACE_Allocator *alloc = 0); - // Constructor that copies <c> into dynamically allocated memory. - - ~ACE_WString (void); - // Deletes the memory... - - ACE_WSTRING_TYPE operator [] (size_t slot) const; - // Return the <slot'th> character in the string (doesn't perform - // bounds checking). - - ACE_WSTRING_TYPE &operator [] (size_t slot); - // Return the <slot'th> character by reference in the string - // (doesn't perform bounds checking). - - ACE_WString &operator = (const ACE_WString &); - // Assignment operator (does copy memory). - - void set (const ACE_WSTRING_TYPE *s); - // Copy <s> - - void set (const ACE_WSTRING_TYPE *s, - size_t len); - // Copy <len> bytes of <s> (will NUL terminate the result) - - ACE_WString substring (size_t offset, ssize_t length = -1) const; - // Return a substring given an offset and length, if length == -1 - // use rest of str return empty substring if offset or offset/length - // are invalid. - - ACE_WString substr (size_t offset, ssize_t length = -1) const; - // Same as substring - - ACE_WString &operator += (const ACE_WString &); - // Concat operator (does copy memory). - - u_long hash (void) const; - // Returns a hash value for this string. - - size_t length (void) const; - // Return the length of the string. - - ACE_WSTRING_TYPE *rep (void) const; - // Gets a copy of the underlying pointer. - - char *char_rep (void) const; - // Transform into a copy of the ASCII character representation. - // (caller must delete) - - ACE_USHORT16 *ushort_rep (void) const; - // Transform into a copy of a USHORT16 representation (caller must - // delete). Note, behavior is undefined when sizeof (wchar_t) != 2. - - const ACE_WSTRING_TYPE *fast_rep (void) const; - // Get at the underlying representation directly! - - const ACE_WSTRING_TYPE *c_str (void) const; - // Same as STL String's <c_str> and <fast_rep>. - - int strstr (const ACE_WString &s) const; - // Comparison operator that will match substrings. Returns the - // slot of the first location that matches, else -1. - - int find (const ACE_WString &str, int pos = 0) const; - // Find <str> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int find (const ACE_WSTRING_TYPE *s, int pos = 0) const; - // Find <s> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int find (ACE_WSTRING_TYPE c, int pos = 0) const; - // Find <c> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int rfind (ACE_WSTRING_TYPE c, int pos = npos) const; - // Find <c> starting at pos (counting from the end). Returns the - // slot of the first location that matches, else npos. - - int operator == (const ACE_WString &s) const; - // Equality comparison operator (must match entire string). - - int operator < (const ACE_WString &s) const; - // Less than comparison operator. - - int operator > (const ACE_WString &s) const; - // Greater than comparison operator. - - int operator != (const ACE_WString &s) const; - // Inequality comparison operator. - - int compare (const ACE_WString &s) const; - // Performs a <strcmp>-style comparison. - - void dump (void) const; - // Dump the state of an object. - - ACE_ALLOC_HOOK_DECLARE; - // Declare the dynamic allocation hooks. - - static size_t strlen (const ACE_WSTRING_TYPE *); - // Computes the length of a "0" terminated ACE_WSTRING_TYPE *. - - static const ACE_WSTRING_TYPE *strstr (const ACE_WSTRING_TYPE *s1, - const ACE_WSTRING_TYPE *s2); - // Traditional style strstr - - void resize (size_t len); - // This method is designed for high-performance. Please use with - // care ;-) If the current size of the string is less than <len>, - // the string is resized to the new length. The data is is zero'd - // out after this operation. - -private: - ACE_Allocator *allocator_; - // Pointer to a memory allocator. - - size_t len_; - // Length of the ACE_WString. - - ACE_WSTRING_TYPE *rep_; - // Pointer to data. -}; - -ACE_Export ACE_INLINE ACE_WString operator+ (const ACE_WString &, - const ACE_WString &); -#if !defined (ACE_LACKS_IOSTREAM_TOTALLY) -ACE_Export ostream &operator << (ostream &, const ACE_WString &); -#endif /* ! ACE_LACKS_IOSTREAM_TOTALLY */ - -class ACE_Export ACE_SString -{ - // = TITLE - // A very Simple String <ACE_SString> class. This is not a - // general-purpose string class, and you should probably consider - // using <ACE_CString> is you don't understand why this class - // exists... - // - // = DESCRIPTION - // This class is optimized for efficiency, so it doesn't provide - // any internal locking. - // - // CAUTION: This class is only intended for use with applications - // that understand how it works. In particular, its destructor - // does not deallocate its memory when it is destroyed... We need - // this class since the <ACE_Map_Manager> requires an object that - // supports the operator == and operator !=. This class uses an - // <ACE_Allocator> to allocate memory. The user can make this a - // persistant class by providing an <ACE_Allocator> with a - // persistable memory pool. -public: - static const int npos; - // No position constant - - ACE_SString (ACE_Allocator *alloc = 0); - // Default constructor. - - ACE_SString (const char *s, ACE_Allocator *alloc = 0); - // Constructor that copies <s> into dynamically allocated memory. - - ACE_SString (const char *s, size_t len, ACE_Allocator *alloc = 0); - // Constructor that copies <len> chars of <s> into dynamically - // allocated memory (will NUL terminate the result). - - ACE_SString (const ACE_SString &); - // Copy constructor. - - ACE_SString (char c, ACE_Allocator *alloc = 0); - // Constructor that copies <c> into dynamically allocated memory. - - ~ACE_SString (void); - // Default dtor. - - char operator [] (size_t slot) const; - // Return the <slot'th> character in the string (doesn't perform - // bounds checking). - - char &operator [] (size_t slot); - // Return the <slot'th> character by reference in the string - // (doesn't perform bounds checking). - - ACE_SString &operator = (const ACE_SString &); - // Assignment operator (does copy memory). - - ACE_SString substring (size_t offset, ssize_t length = -1) const; - // Return a substring given an offset and length, if length == -1 - // use rest of str return empty substring if offset or offset/length - // are invalid - - ACE_SString substr (size_t offset, ssize_t length = -1) const; - // Same as substring - - u_long hash (void) const; - // Returns a hash value for this string. - - size_t length (void) const; - // Return the length of the string. - - void rep (char *s); - // Set the underlying pointer. Since this does not copy memory or - // delete existing memory use with extreme caution!!! - - const char *rep (void) const; - // Get the underlying pointer. - - const char *fast_rep (void) const; - // Get the underlying pointer. - - const char *c_str (void) const; - // Same as STL String's <c_str> and <fast_rep>. - - int strstr (const ACE_SString &s) const; - // Comparison operator that will match substrings. Returns the - // slot of the first location that matches, else -1. - - int find (const ACE_SString &str, int pos = 0) const; - // Find <str> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int find (const char *s, int pos = 0) const; - // Find <s> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int find (char c, int pos = 0) const; - // Find <c> starting at pos. Returns the slot of the first - // location that matches, else npos. - - int rfind (char c, int pos = npos) const; - // Find <c> starting at pos (counting from the end). Returns the - // slot of the first location that matches, else npos. - - int operator == (const ACE_SString &s) const; - // Equality comparison operator (must match entire string). - - int operator < (const ACE_SString &s) const; - // Less than comparison operator. - - int operator > (const ACE_SString &s) const; - // Greater than comparison operator. - - int operator != (const ACE_SString &s) const; - // Inequality comparison operator. - - int compare (const ACE_SString &s) const; - // Performs a <strcmp>-style comparison. - - void dump (void) const; - // Dump the state of an object. - - ACE_ALLOC_HOOK_DECLARE; - // Declare the dynamic allocation hooks. - -private: - ACE_Allocator *allocator_; - // Pointer to a memory allocator. - - size_t len_; - // Length of the ACE_SString (not counting the trailing '\0'). - - char *rep_; - // Pointer to data. -}; - -#if !defined (ACE_LACKS_IOSTREAM_TOTALLY) -ACE_Export ostream &operator << (ostream &, const ACE_SString &); -#endif /* ! ACE_LACKS_IOSTREAM_TOTALLY */ - -// This allows one to use W or C String based on the Unicode -// setting -#if defined (ACE_USES_WCHAR) -# define ACE_TString ACE_WString -#else /* ACE_USES_WCHAR */ -# define ACE_TString ACE_CString -#endif /* ACE_USES_WCHAR */ - - -// ************************************************************ - -class ACE_Export ACE_Tokenizer -{ - // = TITLE - // Tokenizer - // - // = DESCRIPTION - // Tokenizes a buffer. Allows application to set delimiters and - // preserve designators. Does not allow special characters, yet - // (e.g., printf ("\"like a quoted string\"")). -public: - ACE_Tokenizer (ACE_TCHAR *buffer); - // <buffer> will be parsed. - - int delimiter (ACE_TCHAR d); - // <d> is a delimiter. Returns 0 on success, -1 if there is no - // memory left. - - int delimiter_replace (ACE_TCHAR d, ACE_TCHAR replacement); - // <d> is a delimiter and, when found, will be replaced by - // <replacement>. Returns 0 on success, -1 if there is no memory - // left. - - int preserve_designators (ACE_TCHAR start, ACE_TCHAR stop, int strip=1); - // For instance, quotes, or '(' and ')'. Returns 0 on success, -1 - // if there is no memory left. If <strip> == 1, then the preserve - // designators will be stripped from the tokens returned by next. - - ACE_TCHAR *next (void); - // Returns the next token. - - enum { - MAX_DELIMITERS=16, - MAX_PRESERVES=16 - }; - -protected: - int is_delimiter (ACE_TCHAR d, int &replace, ACE_TCHAR &r); - // Returns 1 if <d> is a delimiter, 0 otherwise. If <d> should be - // replaced with <r>, <replace> is set to 1, otherwise 0. - - int is_preserve_designator (ACE_TCHAR start, ACE_TCHAR &stop, int &strip); - // If <start> is a start preserve designator, returns 1 and sets - // <stop> to the stop designator. Returns 0 if <start> is not a - // preserve designator. - -private: - ACE_TCHAR *buffer_; - int index_; - - class Preserve_Entry - { - // = TITLE - // Preserve Entry - // - // = DESCRIPTION - // Defines a set of characters that designate an area that - // should not be parsed, but should be treated as a complete - // token. For instance, in: (this is a preserve region), start - // would be a left paren -(- and stop would be a right paren - // -)-. The strip determines whether the designators should be - // removed from the token. - public: - ACE_TCHAR start_; - // E.g., "(". - ACE_TCHAR stop_; - // E.g., ")". - int strip_; - // Whether the designators should be removed from the token. - }; - - Preserve_Entry preserves_[MAX_PRESERVES]; - // The application can specify MAX_PRESERVES preserve designators. - - int preserves_index_; - // Pointer to the next free spot in preserves_. - - class Delimiter_Entry - { - // = TITLE - // Delimiter Entry - // - // = DESCRIPTION - // Describes a delimiter for the tokenizer. - public: - ACE_TCHAR delimiter_; - // Most commonly a space ' '. - ACE_TCHAR replacement_; - // What occurrences of delimiter_ should be replaced with. - int replace_; - // Whether replacement_ should be used. This should be replaced - // with a technique that sets replacement_ = delimiter by - // default. I'll do that next iteration. - }; - - Delimiter_Entry delimiters_[MAX_DELIMITERS]; - // The tokenizer allows MAX_DELIMITERS number of delimiters. - - int delimiter_index_; - // Pointer to the next free space in delimiters_. -}; - -// **************************************************************** - -class ACE_Export ACE_Auto_String_Free -{ - // = TITLE - // Simple class to automatically de-allocate strings - // - // = DESCRIPTION - // Keeps a pointer to a string and deallocates it (using - // <ACE_OS::free>) on its destructor. - // If you need to delete using "delete[]" the - // ACE_Auto_Array_Ptr<char*> is your choice. - // The class plays the same role as auto_ptr<> - // -public: - ACE_EXPLICIT ACE_Auto_String_Free (char* p = 0); - ACE_Auto_String_Free (ACE_Auto_String_Free &rhs); - ACE_Auto_String_Free& operator= (ACE_Auto_String_Free &rhs); - ~ACE_Auto_String_Free (void); - - char* operator* () const; - char operator[] (int i) const; - char* get (void) const; - char* release (void); - void reset (char* p = 0); - -private: - char* p_; -}; - -#if defined (__ACE_INLINE__) -#include "ace/SString.i" -#endif /* __ACE_INLINE__ */ - -#include "ace/post.h" -#endif /* ACE_SSTRING_H */ |