text.h

Language, Script, and Encoding Identification with String Kernel Classifiers

/*
** Copyright (C) 2006 Thai Computational Linguistics Laboratory (TCL)
** National Institute of Information and Communications Technology (NICT)
** Canasai Kruengkrai <canasai xx gmail yy com, where xx=at and yy=dot>
**
** This file is part of the `libs' library.
**
** This library is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/


/* Take two strings */
char *text_append( char *w1, char *w2 );

/* Take two strings, and append them with a space between them */
char *text_append_with_space( char *w1, char *w2 );

/* Take two strings, and append them with a given character between them */
char *text_append_with_char( char *w1, char *w2, char w3 );

char *text_sub_string_itself( char *old_string, int start, int end );

char *text_append_itself_with_prefix( char *prefix, char *str_itself  );

char *text_append_itself_with_suffix( char *str_itself, char *suffix );

/* Copy a string */
char *text_copy( char *str );

/* Copy a string, starting with a character by skipping whitespace ` ' and tab `\t' */
char *text_copy2( char *str );

/* Copy a string, skipping whitespace ` ' and all control characters */
char *text_copy3( char *str );

/* copy a string line, espacially skipping control characters */
char *text_copy4( char *str );

/* Make sure that we aren't processing a blank line */
int text_not_blank( char *str );

/* Return a number of tokenized words in a string */
int text_num_words( char *str );

/* Return a number of spaces in a string */
int text_num_spaces( char *str );

/* Take a string with spaces and do a split */
/* Each element in the array is a separate string of memory. */
/* you are responsible for freeing x */
char **text_split_independent( char *str );

/* Take a string with delimiters and do a split */
/* The string must be in a formal form such as |x|x|x|, where delimiter is ``|'' */
char **text_explode( char *str, char* delimiter );

/* Take a string with delimiters and do a split */
/* The string can be in a less formal form such as |x |x| x|, where delimiter is ``| '' */
char **text_split_with_delimiter( char *str, char* delimiter );

char *text_make_lower( char *str );

char *text_make_upper( char *str );

char *text_sub_string( char *str, int start, int end );

void text_scan( char *file_name, int *num_tokens, int *num_lines, int *longest_line );

int text_found_char_in( char *any_string );

int text_is_digit( char *any_string );

void text_string_scan( char *file_name, int *num_tokens, int *num_lines, int *longest_line, int *num_chars );