зеркало из https://github.com/mozilla/gecko-dev.git
Check in new version of vietnam.c Thansk Van Le <levan@hotmail.com> and folks
This commit is contained in:
ftang%netscape.com
Родитель
b3c4920b8d
Коммит
28608737d1
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@ -185,6 +185,24 @@ PRIVATE int32 VNIextended_VIS[118] =
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213255,216187,217186,219188,239254,245222,248182,249190,
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251183,239241,245230,248215,249209,251216 };
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PRIVATE uint16 VIS_VNI[128] = /*** 128 to 255 ***/
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{ 0xcf41,0xc941,0xc841,0xcb41,0xc141,0xc041,0xc541,0xc441,
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0xd545,0xcf45,0xc145,0xc045,0xc545,0xc345,0xc445,0xc14f,
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0xc04f,0xc54f,0xc34f,0xc44f,0xcfd4,0xd9d4,0xd8d4,0xdbd4,
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0x00d2,0xdb4f,0xcf4f,0x00c6,0xdb55,0xd555,0xcf55,0xd859,
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0xd54f,0xe961,0xe861,0xeb61,0xe161,0xe061,0xe561,0xe461,
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0xf565,0xef65,0xe165,0xe065,0xe565,0xe365,0xe465,0xe16f,
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0xe06f,0xe56f,0xe36f,0xd5d4,0x00d4,0xe46f,0xf8f4,0xfbf4,
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0x00f2,0xcfd6,0xd9d6,0xd8d6,0xdbd6,0x00f4,0xf9f4,0x00d6,
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0xd841,0xd941,0xc241,0xd541,0xdb41,0xca41,0xfa61,0xfc61,
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0xd845,0xd945,0xc245,0xdb45,0x00cc,0x00cd,0x00d3,0xf879,
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0x00d1,0xf9f6,0xd84f,0xd94f,0xc24f,0xef61,0xfb79,0xf8f6,
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0xfbf6,0xd855,0xd955,0xf579,0x00ee,0xd959,0xf5f4,0x00f6,
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0xf861,0xf961,0xe261,0xf561,0xfb61,0xea61,0xf5f6,0xe361,
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0xf865,0xf965,0xe265,0xfb65,0x00ec,0x00ed,0x00f3,0x00e6,
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0x00f1,0xeff6,0xf86f,0xf96f,0xe26f,0xf56f,0xfb6f,0xef6f,
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0xef75,0xf875,0xf975,0xf575,0xfb75,0xf979,0xeff4,0xd5d6 };
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PRIVATE unsigned char cVIQRType( unsigned char c);
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PRIVATE unsigned char IsVIQRWord(const unsigned char *s,
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int32 len_s,
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@ -208,6 +226,9 @@ PRIVATE int32 S_VISCII_to_VIQR( const unsigned char *frombuffer,
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PRIVATE int32 S_VNI_to_VISCII( const unsigned char *frombuffer,
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unsigned char *tobuffer,
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int32 maxsz);
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PRIVATE int32 S_VISCII_to_VNI( const unsigned char *frombuffer,
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unsigned char *tobuffer,
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int32 maxsz);
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PRIVATE unsigned char *xlat_vis_ucs2_X(CCCDataObject obj,
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unsigned char *buf);
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PRIVATE unsigned char *xlat_X_ucs2_vis(CCCDataObject obj,
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@ -225,6 +246,9 @@ PRIVATE unsigned char *xlat_viscii_2_viqr (
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CCCDataObject obj,
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const unsigned char *vis_buf,
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int32 vis_bufsz);
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PRIVATE unsigned char *xlat_viscii_2_vni ( CCCDataObject obj,
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const unsigned char *vis_buf,
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int32 vis_bufsz);
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/**********************************************************************/
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/*** Function: cVIQRType() ***/
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/*** Purpose: Determine the type of a VIQR character. ***/
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@ -606,6 +630,44 @@ PRIVATE int32 S_VNI_to_VISCII( const unsigned char *frombuffer,
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return(ctr);
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}
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/**********************************************************************/
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/*** Function: S_VISCII_to_VNI() ***/
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/*** Purpose: Converts a VISCII string to a VNI string ***/
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/*** Note: tobuffer must have size at least 2 times bigger than ***/
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/*** ---- than frombuffer (1-byte charset -> 2-byte charset) ***/
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/*** Implementer: Vuong Nguyen (vlangsj@pluto.ftos.net) ***/
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/**********************************************************************/
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PRIVATE int32 S_VISCII_to_VNI( const unsigned char *frombuffer,
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unsigned char *tobuffer,
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int32 maxsz)
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{ unsigned char c;
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uint16 idex;
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int32 i, ctr;
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ctr = 0;
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for (i = 0;(i < maxsz) && ('\0' != (c = (unsigned char) frombuffer[i])); i++) {
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idex = 0;
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if (c < 32)
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switch (c) {
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case 2: idex = 0xda41; break;
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case 5: idex = 0xdc41; break;
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case 6: idex = 0xc341; break;
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case 20: idex = 0xdb59; break;
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case 25: idex = 0xd559; break;
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case 30: c = 0xCE; break;
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}
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else if (c > 127) idex = VIS_VNI[c-128];
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if (idex) {
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tobuffer[ctr++] = (unsigned char) (idex & 0xFF);
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c = (unsigned char) (idex >> 8);
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if (c) tobuffer[ctr++] = c;
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}
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else tobuffer[ctr++] = c;
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}
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tobuffer[ctr] = 0;
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return(ctr);
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}
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/**********************************************************************/
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/*** Function: xlat_vis_ucs2_X() ***/
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/*** Purpose: Converts a converted temporary VISCII buffer to a ***/
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@ -697,6 +759,37 @@ PRIVATE unsigned char *xlat_vni_2_viscii (
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return(vis_buf);
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}
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/**********************************************************************/
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/*** Function: xlat_viscii_2_vni() ***/
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/*** Purpose: Converts a VISCII buffer to VNI buffer ***/
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/*** Arguments: vis_buf: Ptr to a buf of VISCII chars ***/
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/*** --------- vis_bufsize: Size in bytes of vis_buf ***/
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/*** uncvtbuf: We temparoraly ignore the ***/
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/*** un-converted buffer now. ***/
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/*** Returns: Returns NULL on failure, otherwise it returns a ***/
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/*** ------- pointer to a buffer converted characters. ***/
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/*** Caller must XP_FREE() this memory. ***/
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/*** Implementer: Vuong Nguyen (vlangsj@pluto.ftos.net) ***/
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/**********************************************************************/
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PRIVATE unsigned char *xlat_viscii_2_vni (
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CCCDataObject obj,
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const unsigned char *vis_buf,
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int32 vis_bufsz)
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{
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unsigned char *vni_buf = NULL;
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int32 vni_bufsz;
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/* Need to double the buffer, since VNI is (1 to 2)-bytes charset */
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vni_bufsz = (vis_bufsz * 2) + 1;
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if ((vni_buf = (unsigned char *)XP_ALLOC(vni_bufsz)) == (unsigned char *)NULL) {
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INTL_SetCCCRetval(obj, MK_OUT_OF_MEMORY);
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return(NULL);
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}
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vni_bufsz = S_VISCII_to_VNI( vis_buf, vni_buf, vis_bufsz);
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INTL_SetCCCLen(obj, vni_bufsz); /* length not counting null */
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return(vni_buf);
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}
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/**********************************************************************/
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/*** Function: xlat_viscii_2_viqr() ***/
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/*** Purpose: Converts a VISCII buffer to VIQR buffer ***/
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@ -797,8 +890,8 @@ MODULE_PRIVATE unsigned char *viet_any_2_viqr (
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default: /*** A via-UCS2 conversion is needed ***/
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out_buf = xlat_X_ucs2_vis(obj, in_buf, in_bufsz);
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}
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if (use_tmp_mem) bufsz = INTL_GetCCCLen(obj);
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if (out_buf) {
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if (use_tmp_mem) bufsz = INTL_GetCCCLen(obj);
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viqr_buf = xlat_viscii_2_viqr(obj, out_buf, bufsz);
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if (use_tmp_mem) { /*** VIQR allocates memory itself so ***/
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XP_FREE(out_buf); /*** we need to free the temp VIS buf ***/
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@ -808,3 +901,42 @@ MODULE_PRIVATE unsigned char *viet_any_2_viqr (
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return(out_buf);
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}
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/**********************************************************************/
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/*** Function: viet_any_2_vni() ***/
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/*** Purpose: Converts a from_charset buffer to a VNI buffer ***/
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/**********************************************************************/
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MODULE_PRIVATE unsigned char *viet_any_2_vni (
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CCCDataObject obj,
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const unsigned char *in_buf,
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int32 in_bufsz)
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{
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unsigned char *out_buf, *vni_buf;
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uint32 use_tmp_mem, bufsz, fcsid;
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fcsid = INTL_GetCCCFromCSID(obj);
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use_tmp_mem = 1; /*** Assume we will use a temporary VIS buf ***/
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switch (fcsid) {
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case CS_VIET_VISCII:
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/*** No intermediate conversion is needed ***/
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out_buf = (unsigned char *) in_buf;
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bufsz = in_bufsz;
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use_tmp_mem = 0;
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break;
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case CS_VIET_VIQR:
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/*** This is multi-bytes charset, cannot convert ***/
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/*** via UCS2, so we use our internal conversion ***/
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out_buf = xlat_viqr_2_viscii(obj,in_buf,in_bufsz);
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break;
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default: /*** A via-UCS2 conversion is needed ***/
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out_buf = xlat_X_ucs2_vis(obj, in_buf, in_bufsz);
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}
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if (out_buf) {
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if (use_tmp_mem) bufsz = INTL_GetCCCLen(obj);
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vni_buf = xlat_viscii_2_vni(obj, out_buf, bufsz);
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if (use_tmp_mem) { /*** VNI allocates memory itself so ***/
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XP_FREE(out_buf); /*** we need to free the temp VIS buf ***/
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}
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out_buf = vni_buf;
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}
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return(out_buf);
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}
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