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Vlasta Vesely 2020-10-16 09:21:11 +02:00
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37
iast.1
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@ -1,4 +1,4 @@
.TH "iast" "1" "25 September 2020" "sanskrit-iast" "Sanskrit Transliteration"
.TH "iast" "1" "16 October 2020" "sanskrit-iast" "Sanskrit Transliteration"
.SH NAME
.B iast
@ -49,7 +49,7 @@ Transcript a Devanagari text into Czech.
.B \-e
.RS 4
Convert a symbolic ASCII(7) text to IAST representation.
Convert Velthuis scheme text to IAST representation
.RE
.B \-h
@ -64,20 +64,17 @@ Show version number and exit.
.SH ENCODING
When the flag \fB-e\fR is set on, the program converts purely ASCII-encoded strings
into the special characters of the IAST alphabet. For example, it converts
‘sam.skr.tam’ to ‘saṃskṛtam’ or ‘s,a-stram’ to ‘śāstram’.
When the flag \fB-e\fR is set on, the program converts strings encoded using
the Velthuis scheme (purely ASCII-encoded strings) into the special characters
of the IAST alphabet. For example, it can convert ‘sa.msk.rtam’ to ‘saṃskṛtam’
or ‘"saastram’ to ‘śāstram’.
The encoding scheme is based on the following principle: characters ‘-’, ‘.’,
‘,’ and ‘~’ are considered to be modifiers that modify a letter that stands
before the modifier. For example, if the string to be encoded contains ‘a-’,
it will be encoded as ‘ā’ and the sequence ‘n~’ as ‘ñ’ and so on. The only
exception from the rule is the letter ‘n’ because it can be encoded both with
an over-dot (ṅ) and under-dot (ṇ). For the over-dot variant, the conversion
sequence is ‘n^.’.
Alternatively, the Czech characters ‘á’, ‘í’, ‘ú’, ‘š’ and ‘ň’ can be used as
shortcuts to encode the letters ‘ā’, ‘ī’, ‘ū’, ‘ś’ and ‘ñ’ respectively.
The encoding scheme is based on the following principle: the characters ‘.’,
‘"’ and ‘~’ are considered to be modifiers that modify the letter that stands
after the modifier. For example, if the string to be encoded contains ‘.t’,
it will be encoded as ‘ṭ’, the sequence ‘~n’ as ‘ñ’ and so on. Long vowels are
marked by doubled letter corresponding to the vowel; thus ‘aa’ is encoded to
‘ā’, ‘.rr’ to ‘ṝ’ and so on.
.SH AUTHOR
@ -104,3 +101,13 @@ Free Software Foundation.
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.
.SH SEE ALSO
More information on the encoding schemes can be found on Wikipedia:
.RS 4
IAST scheme: <https://en.wikipedia.org/wiki/IAST>
.br
Velthuis scheme: <https://en.wikipedia.org/wiki/Velthuis>
.RE

24
iast.c
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@ -13,15 +13,15 @@ static struct translit_letter table[] = {
{0x0910, VOWEL, "ai"}, /* 01 */
{0x0914, VOWEL, "au"}, /* 02 */
{0x0905, VOWEL, "a"}, /* 03 */
{0x0906, VOWEL, "\u0101"}, /* 04 (a-) */
{0x0906, VOWEL, "\u0101"}, /* 04 (aa) */
{0x0907, VOWEL, "i"}, /* 05 */
{0x0908, VOWEL, "\u012b"}, /* 06 (i-) */
{0x0908, VOWEL, "\u012b"}, /* 06 (ii) */
{0x0909, VOWEL, "u"}, /* 07 */
{0x090a, VOWEL, "\u016b"}, /* 08 (u-) */
{0x090a, VOWEL, "\u016b"}, /* 08 (uu) */
{0x090b, VOWEL, "\u1e5b"}, /* 09 (.r) */
{0x0960, VOWEL, "\u1e5d"}, /* 10 (.r-) */
{0x0960, VOWEL, "\u1e5d"}, /* 10 (.rr) */
{0x090c, VOWEL, "\u1e37"}, /* 11 (.l) */
{0x0961, VOWEL, "\u1e39"}, /* 12 (.l-) */
{0x0961, VOWEL, "\u1e39"}, /* 12 (.ll) */
{0x090f, VOWEL, "e"}, /* 13 */
{0x0913, VOWEL, "o"}, /* 14 */
@ -38,13 +38,13 @@ static struct translit_letter table[] = {
{0x092d, CONSONANT, "bh"}, /* 10 */
{0x0915, CONSONANT, "k"}, /* 11 */
{0x0917, CONSONANT, "g"}, /* 12 */
{0x0919, CONSONANT, "\u1e45"}, /* 13 (n.) */
{0x0919, CONSONANT, "\u1e45"}, /* 13 ("n) */
{0x0939, CONSONANT, "h"}, /* 14 */
{0x091a, CONSONANT, "c"}, /* 15 */
{0x091c, CONSONANT, "j"}, /* 16 */
{0x091e, CONSONANT, "\u00f1"}, /* 17 (n~) */
{0x092f, CONSONANT, "y"}, /* 18 */
{0x0936, CONSONANT, "\u015b"}, /* 19 (s,) */
{0x0936, CONSONANT, "\u015b"}, /* 19 ("s) */
{0x091f, CONSONANT, "\u1e6d"}, /* 20 (.t) */
{0x0921, CONSONANT, "\u1e0d"}, /* 21 (.d) */
{0x0923, CONSONANT, "\u1e47"}, /* 22 (.n) */
@ -82,15 +82,15 @@ static struct translit_letter table[] = {
/* Diacritic modifiers */
{0x0948, VOWEL_SIGN, "ai"},
{0x094c, VOWEL_SIGN, "au"},
{0x093e, VOWEL_SIGN, "\u0101"}, /* (a-) */
{0x093e, VOWEL_SIGN, "\u0101"}, /* (aa) */
{0x093f, VOWEL_SIGN, "i"},
{0x0940, VOWEL_SIGN, "\u012b"}, /* (i-) */
{0x0940, VOWEL_SIGN, "\u012b"}, /* (ii) */
{0x0941, VOWEL_SIGN, "u"},
{0x0942, VOWEL_SIGN, "\u016b"}, /* (u-) */
{0x0942, VOWEL_SIGN, "\u016b"}, /* (uu) */
{0x0943, VOWEL_SIGN, "\u1e5b"}, /* (.r) */
{0x0944, VOWEL_SIGN, "\u1e5d"}, /* (.r-) */
{0x0944, VOWEL_SIGN, "\u1e5d"}, /* (.rr) */
{0x0962, VOWEL_SIGN, "\u1e37"}, /* (.l) */
{0x0963, VOWEL_SIGN, "\u1e39"}, /* (.l-) */
{0x0963, VOWEL_SIGN, "\u1e39"}, /* (.ll) */
{0x0947, VOWEL_SIGN, "e"},
{0x094b, VOWEL_SIGN, "o"},
{0x094d, VOWEL_SIGN, ""}, /* virama */