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dpavlin |
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* recode.c |
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* 2000-03-04 Dobrica Pavlinusic <dpavlin@rot13.org> |
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* first really working version which doesn't overwrite chars which are |
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* in PostgreSQL buffer (I should really read examples more carefully!) |
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* 2000-03-17 dpavlin added to88592 function |
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* 2000-03-18 dpavlin added initcap2 function |
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*****************************************************************************/ |
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#include <string.h> |
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#include <stdio.h> |
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#include "postgres.h" /* for char16, etc. */ |
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#include "utils/palloc.h" /* for palloc */ |
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#include "libpq-fe.h" /* for TUPLE */ |
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#include <stdio.h> |
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#include <ctype.h> |
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/* to1250 -- convert iso8859-2 chars to cp1250 */ |
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text * |
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to1250(text *t) |
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{ |
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int32 i; |
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char c; |
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text *new_t = (text *) palloc(VARSIZE(t)); |
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memset(new_t, 0, VARSIZE(t)); |
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VARSIZE(new_t) = VARSIZE(t); |
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for(i=0; i<=VARSIZE(t)-VARHDRSZ; i++) { |
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c=VARDATA(t)[i]; |
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switch (c) { |
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case (char)0xa9: c=(char)0x8a; break; |
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case (char)0xb9: c=(char)0x9a; break; |
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case (char)0xae: c=(char)0x8e; break; |
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case (char)0xbe: c=(char)0x9e; break; |
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} |
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VARDATA(new_t)[i]=c; |
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} |
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return (new_t); |
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} |
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/* to88592 -- convert cp1250 to iso8859-2 chars */ |
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text * |
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to88592(text *t) |
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{ |
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int32 i; |
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char c; |
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text *new_t = (text *) palloc(VARSIZE(t)); |
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memset(new_t, 0, VARSIZE(t)); |
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VARSIZE(new_t) = VARSIZE(t); |
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for(i=0; i<=VARSIZE(t)-VARHDRSZ; i++) { |
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c=VARDATA(t)[i]; |
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switch (c) { |
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case (char)0x8a: c=(char)0xa9; break; |
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case (char)0x9a: c=(char)0xb9; break; |
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case (char)0x8e: c=(char)0xae; break; |
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case (char)0x9e: c=(char)0xbe; break; |
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} |
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VARDATA(new_t)[i]=c; |
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} |
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return (new_t); |
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} |
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/* tocsz -- convert iso8859-2 or cp1250 to czs */ |
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text * |
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toczs(text *t) |
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{ |
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int32 i; |
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char c; |
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text *new_t = (text *) palloc(VARSIZE(t)); |
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memset(new_t, 0, VARSIZE(t)); |
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VARSIZE(new_t) = VARSIZE(t); |
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for(i=0; i<=VARSIZE(t)-VARHDRSZ; i++) { |
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c=VARDATA(t)[i]; |
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switch (c) { |
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/* iso8859-2 */ |
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case (char)0xa9: c=(char)'S'; break; |
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case (char)0xb9: c=(char)'s'; break; |
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case (char)0xd0: c=(char)'D'; break; |
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case (char)0xf0: c=(char)'d'; break; |
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case (char)0xc8: c=(char)'C'; break; |
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case (char)0xe8: c=(char)'c'; break; |
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case (char)0xc6: c=(char)'C'; break; |
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case (char)0xe6: c=(char)'c'; break; |
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case (char)0xae: c=(char)'Z'; break; |
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case (char)0xbe: c=(char)'z'; break; |
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/* cp1250 */ |
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case (char)0x8a: c=(char)'S'; break; |
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case (char)0x9a: c=(char)'s'; break; |
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case (char)0x8e: c=(char)'Z'; break; |
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case (char)0x9e: c=(char)'z'; break; |
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} |
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VARDATA(new_t)[i]=c; |
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} |
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return (new_t); |
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} |
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/* initcap2 -- initcap whith support for iso8859-2 or cp1250 */ |
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text * |
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initcap2(text *t) |
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{ |
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int32 i; |
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char c; |
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int first = 1; /* is this a first letter? */ |
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text *new_t = (text *) palloc(VARSIZE(t)); |
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memset(new_t, 0, VARSIZE(t)); |
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VARSIZE(new_t) = VARSIZE(t); |
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for(i=0; i<=VARSIZE(t)-VARHDRSZ; i++) { |
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c=VARDATA(t)[i]; |
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if (first) { |
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if (c >=(char)'a' && c <= (char)'z') { c-=32; } |
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switch (c) { |
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/* iso8859-2 */ |
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case (char)0xb9: c-=16; break; |
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case (char)0xf0: c-=32; break; |
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case (char)0xe8: c-=32; break; |
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case (char)0xe6: c-=32; break; |
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case (char)0xbe: c-=16; break; |
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/* cp1250 */ |
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case (char)0x9a: c-=16; break; |
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case (char)0x9e: c-=16; break; |
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} |
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} |
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if (!first) { |
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if (c >='A' && c <= 'Z') { c+=32; } |
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switch (c) { |
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/* iso8859-2 */ |
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case (char)0xa9: c+=16; break; |
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case (char)0xd0: c+=32; break; |
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case (char)0xc8: c+=32; break; |
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case (char)0xc6: c+=32; break; |
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case (char)0xae: c+=16; break; |
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/* cp1250 */ |
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case (char)0x8a: c+=16; break; |
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case (char)0x8e: c+=16; break; |
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} |
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} |
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if (c == ' ' || c == '-' || c =='.') first = 1; else first = 0; |
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VARDATA(new_t)[i]=c; |
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} |
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return (new_t); |
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} |
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