DICLib intro - dictionary access library introduction

The dictionary access library provides basic functions for kana-kanji conversion. The following files are prerequisite to using the dictionary access library:

Header file

canna/RK.h

An include file that contains data and function declarations for use by the kana-kanji conversion library. Include this file at compile time.

Libraries

libcanna.a, libcanna.so

Kana-kanji conversion libraries. Specify "-lcanna" at link time.

The dictionary access library provides three major categories of functions:

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Code conversion functions

Convert character string codes between double-width and single-width characters and between hiragana and katakana. External data and initialization procedures are not required.

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Romaji-kana conversion functions

Convert Romaji to kana by using a Romaji-kana conversion table that defines the correspondence between Romaji and kana. The rules of Romaji-kana conversion can be altered by making modifications to this table.

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Kana-kanji conversion functions

Convert kana to kanji through continuous clause conversion by using a kana-kanji conversion dictionary that defines the correspondence between readings and words. Kana-kanji conversion can be performed to meet specific applications by making modifications to this dictionary.

Among all the functions of Japanese input processing, this library performs only data conversion. To be able to enter Japanese text from a keyboard, therefore, it is necessary for users to write a keyboard handling routine within the application program.

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Code conversion functions

Rk(w)CvtZen

Convert ASCII characters and single-width katakana to double-width characters.

RkCvtHan

Convert double-width symbols, alphanumeric characters, hiragana, and katakana to single-width characters.

RkCvtKana

Convert double-width hiragana to double-width katakana.

RkCvtHira

Convert double-width katakana to double-width hiragana.

RkCvtEuc

Convert shift JIS code to EUC code.

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Romaji-kana conversion functions

RkOpenRoma

Open the dictionary to use for Romaji-kana conversion.

RkCloseRoma

Close the dictionary used for Romaji-kana conversion.

RkMapRoma

Perform Romaji-kana conversion by using a specified Romaji-kana conversion dictionary.

RkCvtRoma

Convert an entire character string from Romaji to kana by iteratively using RkMapRoma.

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Kana-kanji conversion functions

RkInitialize

Initialize the kana-kanji conversion functions.

RkFinalize

Terminate the kana-kanji conversion functions.

RkCreateContext

Create a new conversion context.

RkDuplicateContext

Create a context having the same conversion environment as a specified context.

RkCloseContext

Close a specified conversion context.

RkGetDicList

Get the names of dictionaries that can be added to the dictionary list.

RkMountDic

Mount a dictionary in the dictionary list.

RkGetMountList

Get the names of the currently mounted dictionaries. (or characters for RkwResize)

RkUnmountDic

Unmount a specified dictionary from the dictionary list.

RkRemountDic

Alter the priority order of a dictionary already in the dictionary list.

RkBgnBun

Convert the reading of a specified length to kanji.

RkEndBun

Terminate kana-kanji conversion.

RkGoTo

Set the clause with a specified clause number as the current clause.

RkLeft

Move the current clause to the clause to its left.

RkRight

Move the current clause to its right.

RkXfer

Set the candidate with a specified candidate number as the current candidate.

RkNext

Set the next candidate as the current candidate.

RkPrev

Set the previous candidate as the current candidate.

RkNfer

Set a reading itself as the current candidate.

RkResize

Change the reading length of the current clause to len bytes.

RkEnlarge

Enlarge the reading of the current clause.

RkShorten

Shorten the reading of the current clause.

RkStoreYomi

Change the reading of the current clause to a specified reading, reconverting the subsequent clauses.

RkGetYomi

Get the reading of the current clause.

RkGetKanji

Get the current candidate for the current clause.

RkGetKanjiList

Get all kanji candidates for the current clause.

RkGetStat

Get analysis information about the current candidate.

RkGetLex

Get morphemic information on each word that makes up the current candidate.

RkDefineDic

Define a specified candidate in a dictionary.

RkDeleteDic

Delete a specified candidate from a dictionary.