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CHAR_FRAGMENT Class Reference

#include <unicharset.h>

List of all members.

Public Member Functions

void set_all (const char *unichar, int pos, int total, bool natural)
void set_unichar (const char *uch)
void set_pos (int p)
void set_total (int t)
const char * get_unichar () const
int get_pos () const
int get_total () const
STRING to_string () const
bool equals (const char *other_unichar, int other_pos, int other_total) const
bool equals (const CHAR_FRAGMENT *other) const
bool is_continuation_of (const CHAR_FRAGMENT *fragment) const
bool is_beginning () const
bool is_ending () const
bool is_natural () const
void set_natural (bool value)

Static Public Member Functions

static STRING to_string (const char *unichar, int pos, int total, bool natural)
static CHAR_FRAGMENTparse_from_string (const char *str)

Static Public Attributes

static const int kMinLen = 6
static const int kMaxLen = 3 + UNICHAR_LEN + 2
static const int kMaxChunks = 5

Detailed Description

Definition at line 30 of file unicharset.h.


Member Function Documentation

bool CHAR_FRAGMENT::equals ( const char *  other_unichar,
int  other_pos,
int  other_total 
) const
inline

Definition at line 67 of file unicharset.h.

{
return (strcmp(this->unichar, other_unichar) == 0 &&
this->pos == other_pos && this->total == other_total);
}
bool CHAR_FRAGMENT::equals ( const CHAR_FRAGMENT other) const
inline

Definition at line 72 of file unicharset.h.

{
return this->equals(other->get_unichar(),
other->get_pos(),
other->get_total());
}
int CHAR_FRAGMENT::get_pos ( ) const
inline

Definition at line 53 of file unicharset.h.

{ return this->pos; }
int CHAR_FRAGMENT::get_total ( ) const
inline

Definition at line 54 of file unicharset.h.

{ return this->total; }
const char* CHAR_FRAGMENT::get_unichar ( ) const
inline

Definition at line 52 of file unicharset.h.

{ return this->unichar; }
bool CHAR_FRAGMENT::is_beginning ( ) const
inline

Definition at line 87 of file unicharset.h.

{ return this->pos == 0; }
bool CHAR_FRAGMENT::is_continuation_of ( const CHAR_FRAGMENT fragment) const
inline

Definition at line 80 of file unicharset.h.

{
return (strcmp(this->unichar, fragment->get_unichar()) == 0 &&
this->total == fragment->get_total() &&
this->pos == fragment->get_pos() + 1);
}
bool CHAR_FRAGMENT::is_ending ( ) const
inline

Definition at line 90 of file unicharset.h.

{ return this->pos == this->total-1; }
bool CHAR_FRAGMENT::is_natural ( ) const
inline

Definition at line 95 of file unicharset.h.

{ return natural; }
CHAR_FRAGMENT * CHAR_FRAGMENT::parse_from_string ( const char *  str)
static

Definition at line 902 of file unicharset.cpp.

{
const char *ptr = string;
int len = strlen(string);
if (len < kMinLen || *ptr != kSeparator) {
return NULL; // this string can not represent a fragment
}
ptr++; // move to the next character
int step = 0;
while ((ptr + step) < (string + len) && *(ptr + step) != kSeparator) {
step += UNICHAR::utf8_step(ptr + step);
}
if (step == 0 || step > UNICHAR_LEN) {
return NULL; // no character for unichar or the character is too long
}
char unichar[UNICHAR_LEN + 1];
strncpy(unichar, ptr, step);
unichar[step] = '\0'; // null terminate unichar
ptr += step; // move to the next fragment separator
int pos = 0;
int total = 0;
bool natural = false;
char *end_ptr = NULL;
for (int i = 0; i < 2; i++) {
if (ptr > string + len || *ptr != kSeparator) {
if (i == 1 && *ptr == kNaturalFlag)
natural = true;
else
return NULL; // Failed to parse fragment representation.
}
ptr++; // move to the next character
i == 0 ? pos = static_cast<int>(strtol(ptr, &end_ptr, 10))
: total = static_cast<int>(strtol(ptr, &end_ptr, 10));
ptr = end_ptr;
}
if (ptr != string + len) {
return NULL; // malformed fragment representation
}
CHAR_FRAGMENT *fragment = new CHAR_FRAGMENT();
fragment->set_all(unichar, pos, total, natural);
return fragment;
}
void CHAR_FRAGMENT::set_all ( const char *  unichar,
int  pos,
int  total,
bool  natural 
)
inline

Definition at line 40 of file unicharset.h.

{
set_unichar(unichar);
set_pos(pos);
set_total(total);
set_natural(natural);
}
void CHAR_FRAGMENT::set_natural ( bool  value)
inline

Definition at line 96 of file unicharset.h.

{ natural = value; }
void CHAR_FRAGMENT::set_pos ( int  p)
inline

Definition at line 50 of file unicharset.h.

{ this->pos = p; }
void CHAR_FRAGMENT::set_total ( int  t)
inline

Definition at line 51 of file unicharset.h.

{ this->total = t; }
void CHAR_FRAGMENT::set_unichar ( const char *  uch)
inline

Definition at line 46 of file unicharset.h.

{
strncpy(this->unichar, uch, UNICHAR_LEN);
this->unichar[UNICHAR_LEN] = '\0';
}
STRING CHAR_FRAGMENT::to_string ( const char *  unichar,
int  pos,
int  total,
bool  natural 
)
static

Definition at line 889 of file unicharset.cpp.

{
if (total == 1) return STRING(unichar);
STRING result = "";
result += kSeparator;
result += unichar;
char buffer[kMaxLen];
snprintf(buffer, kMaxLen, "%c%d%c%d", kSeparator, pos,
natural ? kNaturalFlag : kSeparator, total);
result += buffer;
return result;
}
STRING CHAR_FRAGMENT::to_string ( ) const
inline

Definition at line 61 of file unicharset.h.

{
return to_string(unichar, pos, total, natural);
}

Member Data Documentation

const int CHAR_FRAGMENT::kMaxChunks = 5
static

Definition at line 37 of file unicharset.h.

const int CHAR_FRAGMENT::kMaxLen = 3 + UNICHAR_LEN + 2
static

Definition at line 35 of file unicharset.h.

const int CHAR_FRAGMENT::kMinLen = 6
static

Definition at line 33 of file unicharset.h.


The documentation for this class was generated from the following files: