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https://github.com/tesseract-ocr/tesseract.git
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08defee46e
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@450 d0cd1f9f-072b-0410-8dd7-cf729c803f20
165 lines
4.2 KiB
C++
165 lines
4.2 KiB
C++
/******************************************************************************
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** Filename: name2char.c
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** Purpose: Routines to convert between classes and class names.
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** Author: Dan Johnson
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** History: Fri Feb 23 08:03:09 1990, DSJ, Created.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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******************************************************************************/
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/*----------------------------------------------------------------------------
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Include Files and Type Defines
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-----------------------------------------------------------------------------*/
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#include "name2char.h"
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#include "matchdefs.h"
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#include "danerror.h"
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#include <string.h>
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#define ILLEGALCHARNAME 6001
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/*----------------------------------------------------------------------------
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Global Data Definitions and Declarations
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-----------------------------------------------------------------------------*/
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/** character ID (ascii code) to character name mapping */
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static const char *NameList[]={
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"!bang",
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"\"doubleq",
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"#hash",
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"$dollar",
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"%percent",
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"&and",
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"'quote",
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"(lround",
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")rround",
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"*asterisk",
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"+plus",
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",comma",
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"-minus",
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".dot",
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"/slash",
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":colon",
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";semic",
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"<less",
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"=equal",
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">greater",
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"?question",
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"@at",
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"[lsquare",
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"\\backsl",
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"]rsquare",
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"^uparr",
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"_unders",
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"`grave",
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"{lbrace",
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"|bar",
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"}rbrace",
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"~tilde",
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"AcA",
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"BcB",
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"CcC",
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"DcD",
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"EcE",
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"FcF",
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"GcG",
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"HcH",
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"IcI",
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"JcJ",
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"KcK",
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"LcL",
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"McM",
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"NcN",
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"OcO",
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"PcP",
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"QcQ",
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"RcR",
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"ScS",
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"TcT",
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"UcU",
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"VcV",
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"WcW",
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"XcX",
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"YcY",
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"ZcZ",
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NULL
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};
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/*----------------------------------------------------------------------------
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Public Code
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-----------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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/**
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* This routine converts the specified character name to
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* an ascii character.
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*
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* @param CharName character name to convert to a character
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*
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* Globals:
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* - NameList lookup table for name to char mapping
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*
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* @return Ascii character that corresponds to the character name.
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* @note Exceptions: ILLEGALCHARNAME
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* @note History: Sat Aug 26 12:26:54 1989, DSJ, Created.
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*/
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CLASS_ID NameToChar (char CharName[])
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{
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int i;
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// look for name in table and return character if found
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for ( i = 0; NameList[i] != NULL; i++ )
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if ( strcmp (CharName, &NameList[i][1]) == 0)
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return (NameList[i][0]);
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if ( strlen (CharName) == 1 )
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return (CharName[0]); //name is not in table but is a single character
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else //illegal character
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{
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DoError (ILLEGALCHARNAME, "Illegal character name");
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return 0;
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}
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} /* NameToChar */
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/*---------------------------------------------------------------------------*/
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void CharToName (
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CLASS_ID Char,
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char CharName[])
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/*
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** Parameters:
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** Char character to map to a character name
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** CharName string to copy character name into
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** Globals:
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** NameList lookup table for char to name mapping
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** Operation:
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** This routine converts the specified ascii character to a
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** character name. This is convenient for representing
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** characters which might have special meaning to operating
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** system shells or other programs (e.g. "*?&><" etc.).
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** Return: none
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** Exceptions: none
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** History: Sat Aug 26 12:51:02 1989, DSJ, Created.
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*/
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{
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int i;
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/* look for character in table and return a copy of its name if found */
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for ( i = 0; NameList[i] != NULL; i++ )
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if ( Char == NameList[i][0] )
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{
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strcpy ( CharName, &NameList[i][1] );
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return;
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}
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/* if the character is not in the table, then use it as the name */
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CharName[0] = Char;
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CharName[1] = 0;
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} /* CharToName */
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