#include <unicharset.h>

Classes
struct	UNICHAR_PROPERTIES
struct	UNICHAR_SLOT
Public Types
enum	Direction { U_LEFT_TO_RIGHT = 0, U_RIGHT_TO_LEFT = 1, U_EUROPEAN_NUMBER = 2, U_EUROPEAN_NUMBER_SEPARATOR = 3, U_EUROPEAN_NUMBER_TERMINATOR = 4, U_ARABIC_NUMBER = 5, U_COMMON_NUMBER_SEPARATOR = 6, U_BLOCK_SEPARATOR = 7, U_SEGMENT_SEPARATOR = 8, U_WHITE_SPACE_NEUTRAL = 9, U_OTHER_NEUTRAL = 10, U_LEFT_TO_RIGHT_EMBEDDING = 11, U_LEFT_TO_RIGHT_OVERRIDE = 12, U_RIGHT_TO_LEFT_ARABIC = 13, U_RIGHT_TO_LEFT_EMBEDDING = 14, U_RIGHT_TO_LEFT_OVERRIDE = 15, U_POP_DIRECTIONAL_FORMAT = 16, U_DIR_NON_SPACING_MARK = 17, U_BOUNDARY_NEUTRAL = 18, U_CHAR_DIRECTION_COUNT }
Public Member Functions
	UNICHARSET ()
	~UNICHARSET ()
const UNICHAR_ID	unichar_to_id (const char *const unichar_repr) const
const UNICHAR_ID	unichar_to_id (const char *const unichar_repr, int length) const
int	step (const char *str) const
bool	encodable_string (const char str, int first_bad_position) const
const char *const	id_to_unichar (UNICHAR_ID id) const
const char *const	id_to_unichar_ext (UNICHAR_ID id) const
STRING	debug_str (UNICHAR_ID id) const
STRING	debug_str (const char *unichar_repr) const
void	unichar_insert (const char *const unichar_repr)
bool	contains_unichar_id (UNICHAR_ID unichar_id) const
bool	contains_unichar (const char *const unichar_repr) const
bool	contains_unichar (const char *const unichar_repr, int length) const
bool	eq (UNICHAR_ID unichar_id, const char *const unichar_repr) const
void	delete_pointers_in_unichars ()
void	clear ()
int	size () const
void	reserve (int unichars_number)
bool	save_to_file (const char *const filename) const
bool	save_to_file (FILE *file) const
bool	load_from_inmemory_file (const char *const memory, int mem_size, bool skip_fragments)
bool	load_from_inmemory_file (const char *const memory, int mem_size)
bool	load_from_file (const char *const filename, bool skip_fragments)
bool	load_from_file (const char *const filename)
bool	load_from_file (FILE *file, bool skip_fragments)
bool	load_from_file (FILE *file)
void	post_load_setup ()
bool	major_right_to_left () const
void	set_black_and_whitelist (const char blacklist, const char whitelist)
void	set_isalpha (UNICHAR_ID unichar_id, bool value)
void	set_islower (UNICHAR_ID unichar_id, bool value)
void	set_isupper (UNICHAR_ID unichar_id, bool value)
void	set_isdigit (UNICHAR_ID unichar_id, bool value)
void	set_ispunctuation (UNICHAR_ID unichar_id, bool value)
void	set_isngram (UNICHAR_ID unichar_id, bool value)
void	set_script (UNICHAR_ID unichar_id, const char *value)
void	set_other_case (UNICHAR_ID unichar_id, UNICHAR_ID other_case)
void	set_direction (UNICHAR_ID unichar_id, UNICHARSET::Direction value)
void	set_mirror (UNICHAR_ID unichar_id, UNICHAR_ID mirror)
void	set_normed (UNICHAR_ID unichar_id, const char *normed)
bool	get_isalpha (UNICHAR_ID unichar_id) const
bool	get_islower (UNICHAR_ID unichar_id) const
bool	get_isupper (UNICHAR_ID unichar_id) const
bool	get_isdigit (UNICHAR_ID unichar_id) const
bool	get_ispunctuation (UNICHAR_ID unichar_id) const
bool	get_isngram (UNICHAR_ID unichar_id) const
bool	get_isprivate (UNICHAR_ID unichar_id) const
bool	top_bottom_useful () const
void	set_ranges_empty ()
void	SetPropertiesFromOther (const UNICHARSET &src)
void	ExpandRangesFromOther (const UNICHARSET &src)
void	AppendOtherUnicharset (const UNICHARSET &src)
void	get_top_bottom (UNICHAR_ID unichar_id, int min_bottom, int max_bottom, int min_top, int max_top) const
void	set_top_bottom (UNICHAR_ID unichar_id, int min_bottom, int max_bottom, int min_top, int max_top)
void	get_width_range (UNICHAR_ID unichar_id, int min_width, int max_width) const
void	set_width_range (UNICHAR_ID unichar_id, int min_width, int max_width)
void	get_bearing_range (UNICHAR_ID unichar_id, int min_bearing, int max_bearing) const
void	set_bearing_range (UNICHAR_ID unichar_id, int min_bearing, int max_bearing)
void	get_advance_range (UNICHAR_ID unichar_id, int min_advance, int max_advance) const
void	set_advance_range (UNICHAR_ID unichar_id, int min_advance, int max_advance)
int	get_script (UNICHAR_ID unichar_id) const
unsigned int	get_properties (UNICHAR_ID unichar_id) const
char	get_chartype (UNICHAR_ID unichar_id) const
UNICHAR_ID	get_other_case (UNICHAR_ID unichar_id) const
Direction	get_direction (UNICHAR_ID unichar_id) const
UNICHAR_ID	get_mirror (UNICHAR_ID unichar_id) const
UNICHAR_ID	to_lower (UNICHAR_ID unichar_id) const
UNICHAR_ID	to_upper (UNICHAR_ID unichar_id) const
const CHAR_FRAGMENT *	get_fragment (UNICHAR_ID unichar_id) const
bool	get_isalpha (const char *const unichar_repr) const
bool	get_islower (const char *const unichar_repr) const
bool	get_isupper (const char *const unichar_repr) const
bool	get_isdigit (const char *const unichar_repr) const
bool	get_ispunctuation (const char *const unichar_repr) const
unsigned int	get_properties (const char *const unichar_repr) const
char	get_chartype (const char *const unichar_repr) const
int	get_script (const char *const unichar_repr) const
const CHAR_FRAGMENT *	get_fragment (const char *const unichar_repr) const
bool	get_isalpha (const char *const unichar_repr, int length) const
bool	get_islower (const char *const unichar_repr, int length) const
bool	get_isupper (const char *const unichar_repr, int length) const
bool	get_isdigit (const char *const unichar_repr, int length) const
bool	get_ispunctuation (const char *const unichar_repr, int length) const
const char *	get_normed_unichar (UNICHAR_ID unichar_id) const
int	get_script (const char *const unichar_repr, int length) const
int	get_script_table_size () const
const char *	get_script_from_script_id (int id) const
int	get_script_id_from_name (const char *script_name) const
bool	is_null_script (const char *script) const
int	add_script (const char *script)
bool	get_enabled (UNICHAR_ID unichar_id) const
int	null_sid () const
int	common_sid () const
int	latin_sid () const
int	cyrillic_sid () const
int	greek_sid () const
int	han_sid () const
int	hiragana_sid () const
int	katakana_sid () const
int	default_sid () const
bool	script_has_upper_lower () const
bool	script_has_xheight () const
Static Public Member Functions
static STRING	debug_utf8_str (const char *str)
Static Public Attributes
static const char *	kCustomLigatures [][2]

Detailed Description

Definition at line 134 of file unicharset.h.

Member Enumeration Documentation

enum UNICHARSET::Direction

Enumerator:

U_LEFT_TO_RIGHT
U_RIGHT_TO_LEFT
U_EUROPEAN_NUMBER
U_EUROPEAN_NUMBER_SEPARATOR
U_EUROPEAN_NUMBER_TERMINATOR
U_ARABIC_NUMBER
U_COMMON_NUMBER_SEPARATOR
U_BLOCK_SEPARATOR
U_SEGMENT_SEPARATOR
U_WHITE_SPACE_NEUTRAL
U_OTHER_NEUTRAL
U_LEFT_TO_RIGHT_EMBEDDING
U_LEFT_TO_RIGHT_OVERRIDE
U_RIGHT_TO_LEFT_ARABIC
U_RIGHT_TO_LEFT_EMBEDDING
U_RIGHT_TO_LEFT_OVERRIDE
U_POP_DIRECTIONAL_FORMAT
U_DIR_NON_SPACING_MARK
U_BOUNDARY_NEUTRAL
U_CHAR_DIRECTION_COUNT

Definition at line 142 of file unicharset.h.

                 {
      U_LEFT_TO_RIGHT               = 0,
      U_RIGHT_TO_LEFT               = 1,
      U_EUROPEAN_NUMBER             = 2,
      U_EUROPEAN_NUMBER_SEPARATOR   = 3,
      U_EUROPEAN_NUMBER_TERMINATOR  = 4,
      U_ARABIC_NUMBER               = 5,
      U_COMMON_NUMBER_SEPARATOR     = 6,
      U_BLOCK_SEPARATOR             = 7,
      U_SEGMENT_SEPARATOR           = 8,
      U_WHITE_SPACE_NEUTRAL         = 9,
      U_OTHER_NEUTRAL               = 10,
      U_LEFT_TO_RIGHT_EMBEDDING     = 11,
      U_LEFT_TO_RIGHT_OVERRIDE      = 12,
      U_RIGHT_TO_LEFT_ARABIC        = 13,
      U_RIGHT_TO_LEFT_EMBEDDING     = 14,
      U_RIGHT_TO_LEFT_OVERRIDE      = 15,
      U_POP_DIRECTIONAL_FORMAT      = 16,
      U_DIR_NON_SPACING_MARK        = 17,
      U_BOUNDARY_NEUTRAL            = 18,
      U_CHAR_DIRECTION_COUNT
  };

Constructor & Destructor Documentation

UNICHARSET::UNICHARSET ( )

Definition at line 146 of file unicharset.cpp.

                       :
    unichars(NULL),
    ids(),
    size_used(0),
    size_reserved(0),
    script_table(NULL),
    script_table_size_used(0),
    null_script("NULL") {
  clear();
}

UNICHARSET::~UNICHARSET ( )

Definition at line 157 of file unicharset.cpp.

                        {
  clear();
}

Member Function Documentation

int UNICHARSET::add_script ( const char * script )

Definition at line 866 of file unicharset.cpp.

                                             {
  for (int i = 0; i < script_table_size_used; ++i) {
    if (strcmp(script, script_table[i]) == 0)
      return i;
  }
  if (script_table_size_reserved == 0) {
    script_table_size_reserved = 8;
    script_table = new char*[script_table_size_reserved];
  }
  if (script_table_size_used + 1 >= script_table_size_reserved) {
    char** new_script_table = new char*[script_table_size_reserved * 2];
    memcpy(new_script_table, script_table, script_table_size_reserved * sizeof(char*));
    delete[] script_table;
    script_table = new_script_table;
      script_table_size_reserved = 2 * script_table_size_reserved;
  }
  script_table[script_table_size_used] = new char[strlen(script) + 1];
  strcpy(script_table[script_table_size_used], script);
  return script_table_size_used++;
}

void UNICHARSET::AppendOtherUnicharset ( const UNICHARSET & src )

Definition at line 375 of file unicharset.cpp.

                                                            {
  for (int ch = 0; ch < src.size_used; ++ch) {
    const UNICHAR_PROPERTIES& src_props = src.unichars[ch].properties;
    const char* utf8 = src.id_to_unichar(ch);
    if (strcmp(utf8, " ") != 0 && src_props.AnyRangeEmpty()) {
      // Only use fully valid entries.
      tprintf("Bad properties for char %s: %d,%d %d,%d %d,%d %d,%d %d,%d\n",
              utf8, src_props.min_bottom, src_props.max_bottom,
              src_props.min_top, src_props.max_top,
              src_props.min_width, src_props.max_width,
              src_props.min_bearing, src_props.max_bearing,
              src_props.min_advance, src_props.max_advance);
      continue;
    }
    int id = size_used;
    if (contains_unichar(utf8)) {
      id = unichar_to_id(utf8);
    } else {
      unichar_insert(utf8);
      unichars[id].properties.SetRangesEmpty();
    }
    if (!unichars[id].properties.AnyRangeEmpty()) {
      // Just expand current ranges.
      unichars[id].properties.ExpandRangesFrom(src_props);
    } else {
      // Copy properties from src_props.
      unichars[id].properties.CopyFrom(src_props);
      // Setup the script_id, other_case and mirror properly.
      const char* script = src.get_script_from_script_id(src_props.script_id);
      unichars[id].properties.script_id = add_script(script);
      const char* other_case = src.id_to_unichar(src_props.other_case);
      if (!contains_unichar(other_case)) {
        unichar_insert(other_case);
        unichars[size_used - 1].properties.SetRangesEmpty();
        // Other_case will have its ranges set later as it is contained in src.
      }
      unichars[id].properties.other_case = unichar_to_id(other_case);
      const char* mirror_str = src.id_to_unichar(src_props.mirror);
      if (!contains_unichar(mirror_str)) {
        unichar_insert(mirror_str);
        unichars[size_used - 1].properties.SetRangesEmpty();
        // Mirror will have its ranges set later as it is contained in src.
      }
      unichars[id].properties.mirror = unichar_to_id(mirror_str);
    }
  }
}

void UNICHARSET::clear ( ) [inline]

Definition at line 240 of file unicharset.h.

               {
    if (script_table != NULL) {
      for (int i = 0; i < script_table_size_used; ++i)
        delete[] script_table[i];
      delete[] script_table;
      script_table = NULL;
      script_table_size_used = 0;
    }
    if (unichars != NULL) {
      delete_pointers_in_unichars();
      delete[] unichars;
      unichars = NULL;
    }
    script_table_size_reserved = 0;
    size_reserved = 0;
    size_used = 0;
    ids.clear();
    top_bottom_set_ = false;
    script_has_upper_lower_ = false;
    script_has_xheight_ = false;
    null_sid_ = 0;
    common_sid_ = 0;
    latin_sid_ = 0;
    cyrillic_sid_ = 0;
    greek_sid_ = 0;
    han_sid_ = 0;
    hiragana_sid_ = 0;
    katakana_sid_ = 0;
  }

int UNICHARSET::common_sid ( ) const [inline]

Definition at line 760 of file unicharset.h.

{ return common_sid_; }

bool UNICHARSET::contains_unichar ( const char *const unichar_repr ) const

Definition at line 543 of file unicharset.cpp.

                                                                      {
  return ids.contains(unichar_repr);
}

bool UNICHARSET::contains_unichar	(	const char *const	unichar_repr,
		int	length
	)		const

Definition at line 547 of file unicharset.cpp.

                                                    {
  if (length == 0) {
    return false;
  }
  return ids.contains(unichar_repr, length);
}

bool UNICHARSET::contains_unichar_id ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 216 of file unicharset.h.

                                                        {
    return unichar_id != INVALID_UNICHAR_ID && unichar_id < size_used &&
        unichar_id >= 0;
  }

int UNICHARSET::cyrillic_sid ( ) const [inline]

Definition at line 762 of file unicharset.h.

{ return cyrillic_sid_; }

STRING UNICHARSET::debug_str ( UNICHAR_ID id ) const

Definition at line 285 of file unicharset.cpp.

                                                {
  if (id == INVALID_UNICHAR_ID) return STRING(id_to_unichar(id));
  const CHAR_FRAGMENT *fragment = this->get_fragment(id);
  if (fragment) {
    return fragment->to_string();
  }
  const char* str = id_to_unichar(id);
  STRING result = debug_utf8_str(str);
  // Append a for lower alpha, A for upper alpha, and x if alpha but neither.
  if (get_isalpha(id)) {
    if (get_islower(id))
      result += "a";
    else if (get_isupper(id))
      result += "A";
    else
      result += "x";
  }
  // Append 0 if a digit.
  if (get_isdigit(id)) {
    result += "0";
  }
  // Append p is a punctuation symbol.
  if (get_ispunctuation(id)) {
    result += "p";
  }
  return result;
}

STRING UNICHARSET::debug_str ( const char * unichar_repr ) const [inline]

Definition at line 207 of file unicharset.h.

                                                    {
    return debug_str(unichar_to_id(unichar_repr));
  }

STRING UNICHARSET::debug_utf8_str ( const char * str ) [static]

Definition at line 261 of file unicharset.cpp.

                                                 {
  STRING result = str;
  result += " [";
  int step = 1;
  // Chop into unicodes and code each as hex.
  for (int i = 0; str[i] != '\0'; i += step) {
    char hex[sizeof(int) * 2 + 1];
    step = UNICHAR::utf8_step(str + i);
    if (step == 0) {
      step = 1;
      sprintf(hex, "%x", str[i]);
    } else {
      UNICHAR ch(str + i, step);
      sprintf(hex, "%x", ch.first_uni());
    }
    result += hex;
    result += " ";
  }
  result += "]";
  return result;
}

int UNICHARSET::default_sid ( ) const [inline]

Definition at line 767 of file unicharset.h.

{ return default_sid_; }

void UNICHARSET::delete_pointers_in_unichars ( ) [inline]

Definition at line 230 of file unicharset.h.

                                     {
    for (int i = 0; i < size_used; ++i) {
      if (unichars[i].properties.fragment != NULL) {
        delete unichars[i].properties.fragment;
        unichars[i].properties.fragment = NULL;
      }
    }
  }

bool UNICHARSET::encodable_string	(	const char *	str,
		int *	first_bad_position
	)		const

Definition at line 220 of file unicharset.cpp.

                                                                 {
  for (int i = 0, len = strlen(str); i < len; ) {
    int increment = step(str + i);
    if (increment == 0) {
      if (first_bad_position) *first_bad_position = i;
      return false;
    }
    i += increment;
  }
  return true;
}

bool UNICHARSET::eq	(	UNICHAR_ID	unichar_id,
		const char *const	unichar_repr
	)		const

Definition at line 555 of file unicharset.cpp.

                                                          {
  return strcmp(this->id_to_unichar(unichar_id), unichar_repr) == 0;
}

void UNICHARSET::ExpandRangesFromOther ( const UNICHARSET & src )

Definition at line 361 of file unicharset.cpp.

                                                            {
  for (int ch = 0; ch < size_used; ++ch) {
    const char* utf8 = id_to_unichar(ch);
    UNICHAR_PROPERTIES properties;
    if (src.GetStrProperties(utf8, &properties)) {
      // Expand just the ranges from properties.
      unichars[ch].properties.ExpandRangesFrom(properties);
    }
  }
}

void UNICHARSET::get_advance_range	(	UNICHAR_ID	unichar_id,
		int *	min_advance,
		int *	max_advance
	)		const `[inline]`

Definition at line 538 of file unicharset.h.

                                                                   {
    if (INVALID_UNICHAR_ID == unichar_id) {
      *min_advance = *max_advance = 0;
      return;
    }
    ASSERT_HOST(contains_unichar_id(unichar_id));
    *min_advance = unichars[unichar_id].properties.min_advance;
    *max_advance = unichars[unichar_id].properties.max_advance;
  }

void UNICHARSET::get_bearing_range	(	UNICHAR_ID	unichar_id,
		int *	min_bearing,
		int *	max_bearing
	)		const `[inline]`

Definition at line 517 of file unicharset.h.

                                                                   {
    if (INVALID_UNICHAR_ID == unichar_id) {
      *min_bearing = *max_bearing = 0;
      return;
    }
    ASSERT_HOST(contains_unichar_id(unichar_id));
    *min_bearing = unichars[unichar_id].properties.min_bearing;
    *max_bearing = unichars[unichar_id].properties.max_bearing;
  }

char UNICHARSET::get_chartype ( UNICHAR_ID unichar_id ) const

Definition at line 502 of file unicharset.cpp.

                                                 {
  if (this->get_isupper(id)) return 'A';
  if (this->get_islower(id)) return 'a';
  if (this->get_isalpha(id)) return 'x';
  if (this->get_isdigit(id)) return '0';
  if (this->get_ispunctuation(id)) return 'p';
  return 0;
}

char UNICHARSET::get_chartype ( const char *const unichar_repr ) const [inline]

Definition at line 654 of file unicharset.h.

                                                          {
    return get_chartype(unichar_to_id(unichar_repr));
  }

Direction UNICHARSET::get_direction ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 586 of file unicharset.h.

                                                       {
     if (INVALID_UNICHAR_ID == unichar_id) return UNICHARSET::U_OTHER_NEUTRAL;
     ASSERT_HOST(contains_unichar_id(unichar_id));
     return unichars[unichar_id].properties.direction;
   }

bool UNICHARSET::get_enabled ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 754 of file unicharset.h.

                                                {
    return unichars[unichar_id].properties.enabled;
  }

const CHAR_FRAGMENT* UNICHARSET::get_fragment ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 617 of file unicharset.h.

                                                                 {
    if (INVALID_UNICHAR_ID == unichar_id) return NULL;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.fragment;
  }

const CHAR_FRAGMENT* UNICHARSET::get_fragment ( const char *const unichar_repr ) const [inline]

Definition at line 667 of file unicharset.h.

                                                                          {
    if (unichar_repr == NULL || unichar_repr[0] == '\0' ||
        !ids.contains(unichar_repr)) {
      return NULL;
    }
    return get_fragment(unichar_to_id(unichar_repr));
  }

bool UNICHARSET::get_isalpha ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 399 of file unicharset.h.

                                                {
    if (INVALID_UNICHAR_ID == unichar_id) return false;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.isalpha;
  }

bool UNICHARSET::get_isalpha ( const char *const unichar_repr ) const [inline]

Definition at line 624 of file unicharset.h.

                                                         {
    return get_isalpha(unichar_to_id(unichar_repr));
  }

bool UNICHARSET::get_isalpha	(	const char *const	unichar_repr,
		int	length
	)		const `[inline]`

Definition at line 677 of file unicharset.h.

                                 {
    return get_isalpha(unichar_to_id(unichar_repr, length));
  }

bool UNICHARSET::get_isdigit ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 420 of file unicharset.h.

                                                {
    if (INVALID_UNICHAR_ID == unichar_id) return false;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.isdigit;
  }

bool UNICHARSET::get_isdigit ( const char *const unichar_repr ) const [inline]

Definition at line 639 of file unicharset.h.

                                                         {
    return get_isdigit(unichar_to_id(unichar_repr));
  }

bool UNICHARSET::get_isdigit	(	const char *const	unichar_repr,
		int	length
	)		const `[inline]`

Definition at line 698 of file unicharset.h.

                                 {
    return get_isdigit(unichar_to_id(unichar_repr, length));
  }

bool UNICHARSET::get_islower ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 406 of file unicharset.h.

                                                {
    if (INVALID_UNICHAR_ID == unichar_id) return false;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.islower;
  }

bool UNICHARSET::get_islower ( const char *const unichar_repr ) const [inline]

Definition at line 629 of file unicharset.h.

                                                         {
    return get_islower(unichar_to_id(unichar_repr));
  }

bool UNICHARSET::get_islower	(	const char *const	unichar_repr,
		int	length
	)		const `[inline]`

Definition at line 684 of file unicharset.h.

                                 {
    return get_islower(unichar_to_id(unichar_repr, length));
  }

bool UNICHARSET::get_isngram ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 434 of file unicharset.h.

                                                {
    if (INVALID_UNICHAR_ID == unichar_id) return false;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.isngram;
  }

bool UNICHARSET::get_isprivate ( UNICHAR_ID unichar_id ) const

Definition at line 316 of file unicharset.cpp.

                                                          {
  UNICHAR uc(id_to_unichar(unichar_id), -1);
  int uni = uc.first_uni();
  return (uni >= 0xE000 && uni <= 0xF8FF);
}

bool UNICHARSET::get_ispunctuation ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 427 of file unicharset.h.

                                                      {
    if (INVALID_UNICHAR_ID == unichar_id) return false;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.ispunctuation;
  }

bool UNICHARSET::get_ispunctuation ( const char *const unichar_repr ) const [inline]

Definition at line 644 of file unicharset.h.

                                                               {
    return get_ispunctuation(unichar_to_id(unichar_repr));
  }

bool UNICHARSET::get_ispunctuation	(	const char *const	unichar_repr,
		int	length
	)		const `[inline]`

Definition at line 705 of file unicharset.h.

                                            {
    return get_ispunctuation(unichar_to_id(unichar_repr, length));
  }

bool UNICHARSET::get_isupper ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 413 of file unicharset.h.

                                                {
    if (INVALID_UNICHAR_ID == unichar_id) return false;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.isupper;
  }

bool UNICHARSET::get_isupper ( const char *const unichar_repr ) const [inline]

Definition at line 634 of file unicharset.h.

                                                         {
    return get_isupper(unichar_to_id(unichar_repr));
  }

bool UNICHARSET::get_isupper	(	const char *const	unichar_repr,
		int	length
	)		const `[inline]`

Definition at line 691 of file unicharset.h.

                                 {
    return get_isupper(unichar_to_id(unichar_repr, length));
  }

UNICHAR_ID UNICHARSET::get_mirror ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 593 of file unicharset.h.

                                                     {
    if (INVALID_UNICHAR_ID == unichar_id) return INVALID_UNICHAR_ID;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.mirror;
  }

const char* UNICHARSET::get_normed_unichar ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 711 of file unicharset.h.

                                                              {
    return unichars[unichar_id].properties.normed.string();
  }

UNICHAR_ID UNICHARSET::get_other_case ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 579 of file unicharset.h.

                                                         {
    if (INVALID_UNICHAR_ID == unichar_id) return INVALID_UNICHAR_ID;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.other_case;
  }

unsigned int UNICHARSET::get_properties ( UNICHAR_ID unichar_id ) const

Definition at line 487 of file unicharset.cpp.

                                                           {
  unsigned int properties = 0;
  if (this->get_isalpha(id))
    properties |= ISALPHA_MASK;
  if (this->get_islower(id))
    properties |= ISLOWER_MASK;
  if (this->get_isupper(id))
    properties |= ISUPPER_MASK;
  if (this->get_isdigit(id))
    properties |= ISDIGIT_MASK;
  if (this->get_ispunctuation(id))
    properties |= ISPUNCTUATION_MASK;
  return properties;
}

unsigned int UNICHARSET::get_properties ( const char *const unichar_repr ) const [inline]

Definition at line 650 of file unicharset.h.

                                                                    {
    return get_properties(unichar_to_id(unichar_repr));
  }

int UNICHARSET::get_script ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 559 of file unicharset.h.

                                              {
    if (INVALID_UNICHAR_ID == unichar_id) return null_sid_;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    return unichars[unichar_id].properties.script_id;
  }

int UNICHARSET::get_script ( const char *const unichar_repr ) const [inline]

Definition at line 661 of file unicharset.h.

                                                       {
    return get_script(unichar_to_id(unichar_repr));
  }

int UNICHARSET::get_script	(	const char *const	unichar_repr,
		int	length
	)		const `[inline]`

Definition at line 719 of file unicharset.h.

                                   {
    return get_script(unichar_to_id(unichar_repr, length));
  }

const char* UNICHARSET::get_script_from_script_id ( int id ) const [inline]

Definition at line 730 of file unicharset.h.

                                                      {
    if (id >= script_table_size_used || id < 0)
      return null_script;
    return script_table[id];
  }

int UNICHARSET::get_script_id_from_name ( const char * script_name ) const

Definition at line 944 of file unicharset.cpp.

                                                                     {
  for (int i = 0; i < script_table_size_used; ++i) {
    if (strcmp(script_name, script_table[i]) == 0)
      return i;
  }
  return 0;  // 0 is always the null_script
}

int UNICHARSET::get_script_table_size ( ) const [inline]

Definition at line 725 of file unicharset.h.

                                    {
    return script_table_size_used;
  }

void UNICHARSET::get_top_bottom	(	UNICHAR_ID	unichar_id,
		int *	min_bottom,
		int *	max_bottom,
		int *	min_top,
		int *	max_top
	)		const `[inline]`

Definition at line 466 of file unicharset.h.

                                                        {
    if (INVALID_UNICHAR_ID == unichar_id) {
      *min_bottom = *min_top = 0;
      *max_bottom = *max_top = 256;  // kBlnCellHeight
      return;
    }
    ASSERT_HOST(contains_unichar_id(unichar_id));
    *min_bottom = unichars[unichar_id].properties.min_bottom;
    *max_bottom = unichars[unichar_id].properties.max_bottom;
    *min_top = unichars[unichar_id].properties.min_top;
    *max_top = unichars[unichar_id].properties.max_top;
  }

void UNICHARSET::get_width_range	(	UNICHAR_ID	unichar_id,
		int *	min_width,
		int *	max_width
	)		const `[inline]`

Definition at line 496 of file unicharset.h.

                                                             {
    if (INVALID_UNICHAR_ID == unichar_id) {
      *min_width = 0;
      *max_width = 256;  // kBlnCellHeight;
      return;
    }
    ASSERT_HOST(contains_unichar_id(unichar_id));
    *min_width = unichars[unichar_id].properties.min_width;
    *max_width = unichars[unichar_id].properties.max_width;
  }

int UNICHARSET::greek_sid ( ) const [inline]

Definition at line 763 of file unicharset.h.

{ return greek_sid_; }

int UNICHARSET::han_sid ( ) const [inline]

Definition at line 764 of file unicharset.h.

{ return han_sid_; }

int UNICHARSET::hiragana_sid ( ) const [inline]

Definition at line 765 of file unicharset.h.

{ return hiragana_sid_; }

const char *const UNICHARSET::id_to_unichar ( UNICHAR_ID id ) const

Definition at line 233 of file unicharset.cpp.

                                                               {
  if (id == INVALID_UNICHAR_ID) {
    return INVALID_UNICHAR;
  }
  ASSERT_HOST(id < this->size());
  return unichars[id].representation;
}

const char *const UNICHARSET::id_to_unichar_ext ( UNICHAR_ID id ) const

Definition at line 241 of file unicharset.cpp.

                                                                   {
  if (id == INVALID_UNICHAR_ID) {
    return INVALID_UNICHAR;
  }
  ASSERT_HOST(id < this->size());
  // Resolve from the kCustomLigatures table if this is a private encoding.
  if (get_isprivate(id)) {
    const char* ch = id_to_unichar(id);
    for (int i = 0; kCustomLigatures[i][0] != NULL; ++i) {
      if (!strcmp(ch, kCustomLigatures[i][1])) {
        return kCustomLigatures[i][0];
      }
    }
  }
  // Otherwise return the stored representation.
  return unichars[id].representation;
}

bool UNICHARSET::is_null_script ( const char * script ) const [inline]

Definition at line 744 of file unicharset.h.

                                                {
    return script == null_script;
  }

int UNICHARSET::katakana_sid ( ) const [inline]

Definition at line 766 of file unicharset.h.

{ return katakana_sid_; }

int UNICHARSET::latin_sid ( ) const [inline]

Definition at line 761 of file unicharset.h.

{ return latin_sid_; }

bool UNICHARSET::load_from_file	(	const char *const	filename,
		bool	skip_fragments
	)		`[inline]`

Definition at line 305 of file unicharset.h.

                                                                       {
    FILE* file = fopen(filename, "rb");
    if (file == NULL) return false;
    bool result = load_from_file(file, skip_fragments);
    fclose(file);
    return result;
  }

bool UNICHARSET::load_from_file ( const char *const filename ) [inline]

Definition at line 313 of file unicharset.h.

                                                  {
    return load_from_file(filename, false);
  }

bool UNICHARSET::load_from_file	(	FILE *	file,
		bool	skip_fragments
	)

Definition at line 638 of file unicharset.cpp.

                                                               {
  LocalFilePointer lfp(file);
  TessResultCallback2<char *, char *, int> *fgets_cb =
      NewPermanentTessCallback(&lfp, &LocalFilePointer::fgets);
  bool success = load_via_fgets(fgets_cb, skip_fragments);
  delete fgets_cb;
  return success;
}

bool UNICHARSET::load_from_file ( FILE * file ) [inline]

Definition at line 320 of file unicharset.h.

{ return load_from_file(file, false); }

bool UNICHARSET::load_from_inmemory_file	(	const char *const	memory,
		int	mem_size,
		bool	skip_fragments
	)

Definition at line 618 of file unicharset.cpp.

                                                           {
  InMemoryFilePointer mem_fp(memory, mem_size);
  TessResultCallback2<char *, char *, int> *fgets_cb =
      NewPermanentTessCallback(&mem_fp, &InMemoryFilePointer::fgets);
  bool success = load_via_fgets(fgets_cb, skip_fragments);
  delete fgets_cb;
  return success;
}

bool UNICHARSET::load_from_inmemory_file	(	const char *const	memory,
		int	mem_size
	)		`[inline]`

Definition at line 298 of file unicharset.h.

                                                                       {
    return load_from_inmemory_file(memory, mem_size, false);
  }

bool UNICHARSET::major_right_to_left ( ) const

Definition at line 813 of file unicharset.cpp.

                                           {
  int ltr_count = 0;
  int rtl_count = 0;
  for (int id = 0; id < size_used; ++id) {
    int dir = get_direction(id);
    if (dir == UNICHARSET::U_LEFT_TO_RIGHT) ltr_count++;
    if (dir == UNICHARSET::U_RIGHT_TO_LEFT ||
        dir == UNICHARSET::U_RIGHT_TO_LEFT_ARABIC ||
        dir == UNICHARSET::U_ARABIC_NUMBER) rtl_count++;
  }
  return rtl_count > ltr_count;
}

int UNICHARSET::null_sid ( ) const [inline]

Definition at line 759 of file unicharset.h.

{ return null_sid_; }

void UNICHARSET::post_load_setup ( )

Definition at line 750 of file unicharset.cpp.

                                 {
  // Number of alpha chars with the case property minus those without,
  // in order to determine that half the alpha chars have case.
  int net_case_alphas = 0;
  int x_height_alphas = 0;
  int cap_height_alphas = 0;
  top_bottom_set_ = false;
  for (UNICHAR_ID id = 0; id < size_used; ++id) {
    int min_bottom = 0;
    int max_bottom = MAX_UINT8;
    int min_top = 0;
    int max_top = MAX_UINT8;
    get_top_bottom(id, &min_bottom, &max_bottom, &min_top, &max_top);
    if (min_top > 0)
      top_bottom_set_ = true;
    if (get_isalpha(id)) {
      if (get_islower(id) || get_isupper(id))
        ++net_case_alphas;
      else
        --net_case_alphas;
      if (min_top < kMeanlineThreshold && max_top < kMeanlineThreshold)
        ++x_height_alphas;
      else if (min_top > kMeanlineThreshold && max_top > kMeanlineThreshold)
        ++cap_height_alphas;
    }
  }

  script_has_upper_lower_ = net_case_alphas > 0;
  script_has_xheight_ = script_has_upper_lower_ ||
      (x_height_alphas > cap_height_alphas * kMinXHeightFraction &&
       cap_height_alphas > x_height_alphas * kMinCapHeightFraction);

  null_sid_ = get_script_id_from_name(null_script);
  ASSERT_HOST(null_sid_ == 0);
  common_sid_ = get_script_id_from_name("Common");
  latin_sid_ = get_script_id_from_name("Latin");
  cyrillic_sid_ = get_script_id_from_name("Cyrillic");
  greek_sid_ = get_script_id_from_name("Greek");
  han_sid_ = get_script_id_from_name("Han");
  hiragana_sid_ = get_script_id_from_name("Hiragana");
  katakana_sid_ = get_script_id_from_name("Katakana");

  // Compute default script. Use the highest-counting alpha script, that is
  // not the common script, as that still contains some "alphas".
  int* script_counts = new int[script_table_size_used];
  memset(script_counts, 0, sizeof(*script_counts) * script_table_size_used);
  for (int id = 0; id < size_used; ++id) {
    if (get_isalpha(id)) {
      ++script_counts[get_script(id)];
    }
  }
  default_sid_ = 0;
  for (int s = 1; s < script_table_size_used; ++s) {
    if (script_counts[s] > script_counts[default_sid_] && s != common_sid_)
      default_sid_ = s;
  }
  delete [] script_counts;
}

void UNICHARSET::reserve ( int unichars_number )

Definition at line 161 of file unicharset.cpp.

                                            {
  if (unichars_number > size_reserved) {
    UNICHAR_SLOT* unichars_new = new UNICHAR_SLOT[unichars_number];
    for (int i = 0; i < size_used; ++i)
      unichars_new[i] = unichars[i];
    for (int j = size_used; j < unichars_number; ++j) {
      unichars_new[j].properties.script_id = add_script(null_script);
    }
    delete[] unichars;
    unichars = unichars_new;
    size_reserved = unichars_number;
  }
}

bool UNICHARSET::save_to_file ( const char *const filename ) const [inline]

Definition at line 280 of file unicharset.h.

                                                       {
    FILE* file = fopen(filename, "w+b");
    if (file == NULL) return false;
    bool result = save_to_file(file);
    fclose(file);
    return result;
  }

bool UNICHARSET::save_to_file ( FILE * file ) const

Definition at line 560 of file unicharset.cpp.

                                              {
  fprintf(file, "%d\n", this->size());
  for (UNICHAR_ID id = 0; id < this->size(); ++id) {
    int min_bottom, max_bottom, min_top, max_top;
    get_top_bottom(id, &min_bottom, &max_bottom, &min_top, &max_top);
    int min_width, max_width;
    get_width_range(id, &min_width, &max_width);
    int min_bearing, max_bearing;
    get_bearing_range(id, &min_bearing, &max_bearing);
    int min_advance, max_advance;
    get_advance_range(id, &min_advance, &max_advance);
    unsigned int properties = this->get_properties(id);
    if (strcmp(this->id_to_unichar(id), " ") == 0) {
      fprintf(file, "%s %x %s %d\n", "NULL", properties,
              this->get_script_from_script_id(this->get_script(id)),
              this->get_other_case(id));
    } else {
      fprintf(file,
              "%s %x %d,%d,%d,%d,%d,%d,%d,%d,%d,%d %s %d %d %d %s\t# %s\n",
              this->id_to_unichar(id), properties,
              min_bottom, max_bottom, min_top, max_top, min_width, max_width,
              min_bearing, max_bearing, min_advance, max_advance,
              this->get_script_from_script_id(this->get_script(id)),
              this->get_other_case(id), this->get_direction(id),
              this->get_mirror(id), this->get_normed_unichar(id),
              this->debug_str(id).string());
    }
  }
  return true;
}

bool UNICHARSET::script_has_upper_lower ( ) const [inline]

Definition at line 770 of file unicharset.h.

                                      {
    return script_has_upper_lower_;
  }

bool UNICHARSET::script_has_xheight ( ) const [inline]

Definition at line 777 of file unicharset.h.

                                  {
    return script_has_xheight_;
  }

void UNICHARSET::set_advance_range	(	UNICHAR_ID	unichar_id,
		int	min_advance,
		int	max_advance
	)		`[inline]`

Definition at line 548 of file unicharset.h.

                                                           {
    unichars[unichar_id].properties.min_advance =
        static_cast<inT16>(ClipToRange(min_advance, 0, MAX_INT16));
    unichars[unichar_id].properties.max_advance =
        static_cast<inT16>(ClipToRange(max_advance, 0, MAX_INT16));
  }

void UNICHARSET::set_bearing_range	(	UNICHAR_ID	unichar_id,
		int	min_bearing,
		int	max_bearing
	)		`[inline]`

Definition at line 527 of file unicharset.h.

                                                           {
    unichars[unichar_id].properties.min_bearing =
        static_cast<inT16>(ClipToRange(min_bearing, 0, MAX_INT16));
    unichars[unichar_id].properties.max_bearing =
        static_cast<inT16>(ClipToRange(max_bearing, 0, MAX_INT16));
  }

void UNICHARSET::set_black_and_whitelist	(	const char *	blacklist,
		const char *	whitelist
	)

Definition at line 829 of file unicharset.cpp.

                                                                {
  bool def_enabled = whitelist == NULL || whitelist[0] == '\0';
  // Set everything to default
  for (int ch = 0; ch < size_used; ++ch)
    unichars[ch].properties.enabled = def_enabled;
  int ch_step;
  if (!def_enabled) {
    // Enable the whitelist.
    for (int w_ind = 0; whitelist[w_ind] != '\0'; w_ind += ch_step) {
      ch_step = step(whitelist + w_ind);
      if (ch_step > 0) {
        UNICHAR_ID u_id = unichar_to_id(whitelist + w_ind, ch_step);
        if (u_id != INVALID_UNICHAR_ID) {
          unichars[u_id].properties.enabled = true;
        }
      } else {
        ch_step = 1;
      }
    }
  }
  if (blacklist != NULL && blacklist[0] != '\0') {
    // Disable the blacklist.
    for (int b_ind = 0; blacklist[b_ind] != '\0'; b_ind += ch_step) {
      ch_step = step(blacklist + b_ind);
      if (ch_step > 0) {
        UNICHAR_ID u_id = unichar_to_id(blacklist + b_ind, ch_step);
        if (u_id != INVALID_UNICHAR_ID) {
          unichars[u_id].properties.enabled = false;
        }
      } else {
        ch_step = 1;
      }
    }
  }
}

void UNICHARSET::set_direction	(	UNICHAR_ID	unichar_id,
		UNICHARSET::Direction	value
	)		`[inline]`

Definition at line 384 of file unicharset.h.

                                                                       {
    unichars[unichar_id].properties.direction = value;
  }

void UNICHARSET::set_isalpha	(	UNICHAR_ID	unichar_id,
		bool	value
	)		`[inline]`

Definition at line 343 of file unicharset.h.

                                                      {
    unichars[unichar_id].properties.isalpha = value;
  }

void UNICHARSET::set_isdigit	(	UNICHAR_ID	unichar_id,
		bool	value
	)		`[inline]`

Definition at line 358 of file unicharset.h.

                                                      {
    unichars[unichar_id].properties.isdigit = value;
  }

void UNICHARSET::set_islower	(	UNICHAR_ID	unichar_id,
		bool	value
	)		`[inline]`

Definition at line 348 of file unicharset.h.

                                                      {
    unichars[unichar_id].properties.islower = value;
  }

void UNICHARSET::set_isngram	(	UNICHAR_ID	unichar_id,
		bool	value
	)		`[inline]`

Definition at line 368 of file unicharset.h.

                                                      {
    unichars[unichar_id].properties.isngram = value;
  }

void UNICHARSET::set_ispunctuation	(	UNICHAR_ID	unichar_id,
		bool	value
	)		`[inline]`

Definition at line 363 of file unicharset.h.

                                                            {
    unichars[unichar_id].properties.ispunctuation = value;
  }

void UNICHARSET::set_isupper	(	UNICHAR_ID	unichar_id,
		bool	value
	)		`[inline]`

Definition at line 353 of file unicharset.h.

                                                      {
    unichars[unichar_id].properties.isupper = value;
  }

void UNICHARSET::set_mirror	(	UNICHAR_ID	unichar_id,
		UNICHAR_ID	mirror
	)		`[inline]`

Definition at line 389 of file unicharset.h.

                                                            {
    unichars[unichar_id].properties.mirror = mirror;
  }

void UNICHARSET::set_normed	(	UNICHAR_ID	unichar_id,
		const char *	normed
	)		`[inline]`

Definition at line 394 of file unicharset.h.

                                                             {
    unichars[unichar_id].properties.normed = normed;
  }

void UNICHARSET::set_other_case	(	UNICHAR_ID	unichar_id,
		UNICHAR_ID	other_case
	)		`[inline]`

Definition at line 379 of file unicharset.h.

                                                                    {
    unichars[unichar_id].properties.other_case = other_case;
  }

void UNICHARSET::set_ranges_empty ( )

Definition at line 324 of file unicharset.cpp.

                                  {
  for (int id = 0; id < size_used; ++id) {
    unichars[id].properties.SetRangesEmpty();
  }
}

void UNICHARSET::set_script	(	UNICHAR_ID	unichar_id,
		const char *	value
	)		`[inline]`

Definition at line 374 of file unicharset.h.

                                                            {
    unichars[unichar_id].properties.script_id = add_script(value);
  }

void UNICHARSET::set_top_bottom	(	UNICHAR_ID	unichar_id,
		int	min_bottom,
		int	max_bottom,
		int	min_top,
		int	max_top
	)		`[inline]`

Definition at line 480 of file unicharset.h.

                                                {
    unichars[unichar_id].properties.min_bottom =
        static_cast<uinT8>(ClipToRange(min_bottom, 0, MAX_UINT8));
    unichars[unichar_id].properties.max_bottom =
        static_cast<uinT8>(ClipToRange(max_bottom, 0, MAX_UINT8));
    unichars[unichar_id].properties.min_top =
        static_cast<uinT8>(ClipToRange(min_top, 0, MAX_UINT8));
    unichars[unichar_id].properties.max_top =
        static_cast<uinT8>(ClipToRange(max_top, 0, MAX_UINT8));
  }

void UNICHARSET::set_width_range	(	UNICHAR_ID	unichar_id,
		int	min_width,
		int	max_width
	)		`[inline]`

Definition at line 507 of file unicharset.h.

                                                                            {
    unichars[unichar_id].properties.min_width =
        static_cast<inT16>(ClipToRange(min_width, 0, MAX_INT16));
    unichars[unichar_id].properties.max_width =
        static_cast<inT16>(ClipToRange(max_width, 0, MAX_INT16));
  }

void UNICHARSET::SetPropertiesFromOther ( const UNICHARSET & src )

Definition at line 333 of file unicharset.cpp.

                                                             {
  for (int ch = 0; ch < size_used; ++ch) {
    const char* utf8 = id_to_unichar(ch);
    UNICHAR_PROPERTIES properties;
    if (src.GetStrProperties(utf8, &properties)) {
      // Setup the script_id, other_case, and mirror properly.
      const char* script = src.get_script_from_script_id(properties.script_id);
      properties.script_id = add_script(script);
      const char* other_case = src.id_to_unichar(properties.other_case);
      if (contains_unichar(other_case)) {
        properties.other_case = unichar_to_id(other_case);
      } else {
        properties.other_case = ch;
      }
      const char* mirror_str = src.id_to_unichar(properties.mirror);
      if (contains_unichar(mirror_str)) {
        properties.mirror = unichar_to_id(mirror_str);
      } else {
        properties.mirror = ch;
      }
      unichars[ch].properties.CopyFrom(properties);
    }
  }
}

int UNICHARSET::size ( ) const [inline]

Definition at line 271 of file unicharset.h.

                   {
    return size_used;
  }

int UNICHARSET::step ( const char * str ) const

Definition at line 192 of file unicharset.cpp.

                                          {
  // Find the length of the first matching unicharset member.
  int minlength = ids.minmatch(str);
  if (minlength == 0)
    return 0;  // Empty string or illegal char.

  int goodlength = minlength;
  while (goodlength <= UNICHAR_LEN) {
    if (str[goodlength] == '\0' || ids.minmatch(str + goodlength) > 0)
      return goodlength;  // This length works!

    // The next char is illegal so find the next usable length.
    do {
      ++goodlength;
    } while (str[goodlength] != '\0' && goodlength <= UNICHAR_LEN &&
             !ids.contains(str, goodlength));
    if (goodlength > UNICHAR_LEN || !ids.contains(str, goodlength)) {
      // This does not constitute a good length!
      return minlength;
    }
  }
  // Search to find a subsequent legal char failed so return the minlength.
  return minlength;
}

UNICHAR_ID UNICHARSET::to_lower ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 600 of file unicharset.h.

                                                   {
    if (INVALID_UNICHAR_ID == unichar_id) return INVALID_UNICHAR_ID;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    if (unichars[unichar_id].properties.islower) return unichar_id;
    return unichars[unichar_id].properties.other_case;
  }

UNICHAR_ID UNICHARSET::to_upper ( UNICHAR_ID unichar_id ) const [inline]

Definition at line 608 of file unicharset.h.

                                                   {
    if (INVALID_UNICHAR_ID == unichar_id) return INVALID_UNICHAR_ID;
    ASSERT_HOST(contains_unichar_id(unichar_id));
    if (unichars[unichar_id].properties.isupper) return unichar_id;
    return unichars[unichar_id].properties.other_case;
  }

bool UNICHARSET::top_bottom_useful ( ) const [inline]

Definition at line 445 of file unicharset.h.

                                 {
    return top_bottom_set_;
  }

void UNICHARSET::unichar_insert ( const char *const unichar_repr )

Definition at line 511 of file unicharset.cpp.

                                                              {
  if (!ids.contains(unichar_repr)) {
    if (strlen(unichar_repr) > UNICHAR_LEN) {
      fprintf(stderr, "Utf8 buffer too big, size=%d for %s\n",
              int(strlen(unichar_repr)), unichar_repr);
      return;
    }
    if (size_used == size_reserved) {
      if (size_used == 0)
        reserve(8);
      else
        reserve(2 * size_used);
    }

    strcpy(unichars[size_used].representation, unichar_repr);
    this->set_script(size_used, null_script);
    // If the given unichar_repr represents a fragmented character, set
    // fragment property to a pointer to CHAR_FRAGMENT class instance with
    // information parsed from the unichar representation. Use the script
    // of the base unichar for the fragmented character if possible.
    CHAR_FRAGMENT *frag = CHAR_FRAGMENT::parse_from_string(unichar_repr);
    this->unichars[size_used].properties.fragment = frag;
    if (frag != NULL && this->contains_unichar(frag->get_unichar())) {
      this->unichars[size_used].properties.script_id =
        this->get_script(frag->get_unichar());
    }
    this->unichars[size_used].properties.enabled = true;
    ids.insert(unichar_repr, size_used);
    ++size_used;
  }
}

const UNICHAR_ID UNICHARSET::unichar_to_id ( const char *const unichar_repr ) const

Definition at line 176 of file unicharset.cpp.

                                                              {
  return ids.contains(unichar_repr) ?
    ids.unichar_to_id(unichar_repr) : INVALID_UNICHAR_ID;
}

const UNICHAR_ID UNICHARSET::unichar_to_id	(	const char *const	unichar_repr,
		int	length
	)		const

Definition at line 181 of file unicharset.cpp.

                                                             {
  assert(length > 0 && length <= UNICHAR_LEN);
  return ids.contains(unichar_repr, length) ?
    ids.unichar_to_id(unichar_repr, length) : INVALID_UNICHAR_ID;
}

Member Data Documentation

const char * UNICHARSET::kCustomLigatures [static]

Initial value:

 {
  {"ct", "\uE003"},  
  {"ſh", "\uE006"},  
  {"ſi", "\uE007"},  
  {"ſl", "\uE008"},  
  {"ſſ", "\uE009"},  
  {NULL, NULL}
}

Definition at line 139 of file unicharset.h.

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

tesseract-ocr/ccutil/unicharset.h
tesseract-ocr/ccutil/unicharset.cpp

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