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usp10: ScriptItemize will break up the string into script_items.

This commit is contained in:
Jeff Latimer 2006-08-08 18:57:37 +10:00 committed by Alexandre Julliard
parent faf05dfd3b
commit ff421fde8e
2 changed files with 173 additions and 48 deletions
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50
dlls/usp10/tests/usp10.c
View File

@ -44,6 +44,8 @@ static void test_ScriptItemIzeShapePlace(HDC hdc, unsigned short pwOutGlyphs[256
int pcItems;
WCHAR TestItem1[] = {'T', 'e', 's', 't', 'a', 0};
WCHAR TestItem2[] = {'T', 'e', 's', 't', 'b', 0};
WCHAR TestItem3[] = {'T', 'e', 's', 't', 'c',' ','1','2','3',' ',' ','e','n','d',0};
WCHAR TestItem4[] = {'T', 'e', 's', 't', 'c',' ',0x0684,0x0694,0x06a4,' ',' ','e','n','d',0};
SCRIPT_CACHE psc;
int cChars;
@ -194,6 +196,54 @@ static void test_ScriptItemIzeShapePlace(HDC hdc, unsigned short pwOutGlyphs[256
ok (!psc, "psc is not null after ScriptFreeCache\n");
}
/* This is a valid test that will cause parsing to take place and create 3 script_items */
cInChars = (sizeof(TestItem3)/2)-1;
cMaxItems = 255;
hr = ScriptItemize(TestItem3, cInChars, cMaxItems, NULL, NULL, pItem, &pcItems);
ok (hr == 0, "ScriptItemize should return 0, returned %08lx\n", hr);
if (hr == 0)
{
ok (pcItems == 3, "The number of SCRIPT_ITEMS should be 3 not %d\n", pcItems);
if (pcItems > 2)
{
ok (pItem[0].iCharPos == 0 && pItem[1].iCharPos == 6,
"Start pos [0] not = 0 (%d) or end pos [1] not = %d\n",
pItem[0].iCharPos, pItem[1].iCharPos);
ok (pItem[1].iCharPos == 6 && pItem[2].iCharPos == 11,
"Start pos [1] not = 6 (%d) or end pos [2] not = 11 (%d)\n",
pItem[1].iCharPos, pItem[2].iCharPos);
ok (pItem[2].iCharPos == 11 && pItem[3].iCharPos == cInChars,
"Start pos [2] not = 11 (%d) or end [3] pos not = 14 (%d), cInChars = %d\n",
pItem[2].iCharPos, pItem[3].iCharPos, cInChars);
}
hr = ScriptFreeCache( &psc);
ok (!psc, "psc is not null after ScriptFreeCache\n");
}
/* This is a valid test that will cause parsing to take place and create 3 script_items */
cInChars = (sizeof(TestItem4)/2)-1;
cMaxItems = 255;
hr = ScriptItemize(TestItem4, cInChars, cMaxItems, NULL, NULL, pItem, &pcItems);
ok (hr == 0, "ScriptItemize should return 0, returned %08lx\n", hr);
if (hr == 0)
{
ok (pcItems == 3, "The number of SCRIPT_ITEMS should be 3 not %d\n", pcItems);
if (pcItems > 2)
{
ok (pItem[0].iCharPos == 0 && pItem[1].iCharPos == 6,
"Start pos [0] not = 0 (%d) or end pos [1] not = %d\n",
pItem[0].iCharPos, pItem[1].iCharPos);
ok (pItem[1].iCharPos == 6 && pItem[2].iCharPos == 11,
"Start pos [1] not = 6 (%d) or end pos [2] not = 11 (%d)\n",
pItem[1].iCharPos, pItem[2].iCharPos);
ok (pItem[2].iCharPos == 11 && pItem[3].iCharPos == cInChars,
"Start pos [2] not = 11 (%d) or end [3] pos not = 14 (%d), cInChars = %d\n",
pItem[2].iCharPos, pItem[3].iCharPos, cInChars);
}
hr = ScriptFreeCache( &psc);
ok (!psc, "psc is not null after ScriptFreeCache\n");
}
}
void test_ScriptGetCMap(HDC hdc, unsigned short pwOutGlyphs[256])

171
dlls/usp10/usp10.c
View File

@ -195,72 +195,147 @@ HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItem
const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
SCRIPT_ITEM *pItems, int *pcItems)
{
/* This implementation currently treats the entire string represented in
* pwcInChars as a single entity. Hence pcItems will be set to 1. */
FIXME("%s,%d,%d,%p,%p,%p,%p: semi-stub\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
#define Numeric_start 0x0030
#define Numeric_stop 0x0039
#define Numeric_space 0x0020
#define Arabic_start 0x0600
#define Arabic_stop 0x06ff
#define Latin_start 0x0001
#define Latin_stop 0x024f
#define Script_Arabic 6
#define Script_Latin 1
#define Script_Numeric 5
int cnt = 0, index = 0;
int New_Script = SCRIPT_UNDEFINED;
TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
psControl, psState, pItems, pcItems);
if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
return E_INVALIDARG;
/* Set a sensible default */
/* Set SCRIPT_ITEM */
pItems[0].iCharPos = 0;
if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
pItems[index].a.eScript = Script_Numeric;
else
if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
pItems[index].a.eScript = Script_Arabic;
else
if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
pItems[index].a.eScript = Script_Latin;
else
pItems[index].a.eScript = SCRIPT_UNDEFINED;
pItems[index].iCharPos = 0;
/* Set the SCRIPT_ANALYSIS */
pItems[0].a.eScript = SCRIPT_UNDEFINED;
pItems[0].a.fRTL = 0;
pItems[0].a.fLayoutRTL = 0;
pItems[0].a.fLinkBefore = 0;
pItems[0].a.fLinkAfter = 0;
pItems[0].a.fLogicalOrder = 0;
pItems[0].a.fNoGlyphIndex = 0;
pItems[index].a.fRTL = 0;
pItems[index].a.fLayoutRTL = 0;
pItems[index].a.fLinkBefore = 0;
pItems[index].a.fLinkAfter = 0;
pItems[index].a.fLogicalOrder = 0;
pItems[index].a.fNoGlyphIndex = 0;
/* set the SCRIPT_STATE */
pItems[0].a.s.uBidiLevel = 0;
pItems[0].a.s.fOverrideDirection = 0;
pItems[0].a.s.fInhibitSymSwap = FALSE;
pItems[0].a.s.fCharShape = 0;
pItems[0].a.s.fDigitSubstitute = 0;
pItems[0].a.s.fInhibitLigate = 0;
pItems[0].a.s.fDisplayZWG = 0;
pItems[0].a.s.fArabicNumContext = 0;
pItems[0].a.s.fGcpClusters = 0;
pItems[0].a.s.fReserved = 0;
pItems[0].a.s.fEngineReserved = 0;
if (New_Script == Script_Arabic)
pItems[index].a.s.uBidiLevel = 1;
else
pItems[index].a.s.uBidiLevel = 0;
pItems[index].a.s.fOverrideDirection = 0;
pItems[index].a.s.fInhibitSymSwap = FALSE;
pItems[index].a.s.fCharShape = 0;
pItems[index].a.s.fDigitSubstitute = 0;
pItems[index].a.s.fInhibitLigate = 0;
pItems[index].a.s.fDisplayZWG = 0;
pItems[index].a.s.fArabicNumContext = 0;
pItems[index].a.s.fGcpClusters = 0;
pItems[index].a.s.fReserved = 0;
pItems[index].a.s.fEngineReserved = 0;
TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
for (cnt=0; cnt < cInChars; cnt++)
{
if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
|| (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
New_Script = Script_Numeric;
else
if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
|| (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
New_Script = Script_Arabic;
else
if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop)
New_Script = Script_Latin;
else
New_Script = SCRIPT_UNDEFINED;
if (New_Script != pItems[index].a.eScript)
{
TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
index++;
if (index+1 > cMaxItems)
return E_OUTOFMEMORY;
pItems[index].iCharPos = cnt;
if (New_Script == Script_Arabic)
pItems[index].a.s.uBidiLevel = 1;
/* Set SCRIPT_ITEM */
pItems[index].iCharPos = cnt;
/* Set the SCRIPT_ANALYSIS */
pItems[index].a.eScript = New_Script;
pItems[index].a.fRTL = 0;
pItems[index].a.fLayoutRTL = 0;
pItems[index].a.fLinkBefore = 0;
pItems[index].a.fLinkAfter = 0;
pItems[index].a.fLogicalOrder = 0;
pItems[index].a.fNoGlyphIndex = 0;
/* set the SCRIPT_STATE */
if (New_Script == Script_Arabic)
pItems[index].a.s.uBidiLevel = 1;
else
pItems[index].a.s.uBidiLevel = 0;
pItems[index].a.s.fOverrideDirection = 0;
pItems[index].a.s.fInhibitSymSwap = FALSE;
pItems[index].a.s.fCharShape = 0;
pItems[index].a.s.fDigitSubstitute = 0;
pItems[index].a.s.fInhibitLigate = 0;
pItems[index].a.s.fDisplayZWG = 0;
pItems[index].a.s.fArabicNumContext = 0;
pItems[index].a.s.fGcpClusters = 0;
pItems[index].a.s.fReserved = 0;
pItems[index].a.s.fEngineReserved = 0;
TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
}
}
/* While not strickly necessary according to the spec, make sure the n+1
* item is set up to prevent random behaviour if the caller eroneously
* checks the n+1 structure */
pItems[1].a.eScript = 0;
pItems[1].a.fRTL = 0;
pItems[1].a.fLayoutRTL = 0;
pItems[1].a.fLinkBefore = 0;
pItems[1].a.fLinkAfter = 0;
pItems[1].a.fLogicalOrder = 0;
pItems[1].a.fNoGlyphIndex = 0;
pItems[index+1].a.eScript = 0;
pItems[index+1].a.fRTL = 0;
pItems[index+1].a.fLayoutRTL = 0;
pItems[index+1].a.fLinkBefore = 0;
pItems[index+1].a.fLinkAfter = 0;
pItems[index+1].a.fLogicalOrder = 0;
pItems[index+1].a.fNoGlyphIndex = 0;
/* set the SCRIPT_STATE */
pItems[1].a.s.uBidiLevel = 0;
pItems[1].a.s.fOverrideDirection = 0;
pItems[1].a.s.fInhibitSymSwap = FALSE;
pItems[1].a.s.fCharShape = 0;
pItems[1].a.s.fDigitSubstitute = 0;
pItems[1].a.s.fInhibitLigate = 0;
pItems[1].a.s.fDisplayZWG = 0;
pItems[1].a.s.fArabicNumContext = 0;
pItems[1].a.s.fGcpClusters = 0;
pItems[1].a.s.fReserved = 0;
pItems[1].a.s.fEngineReserved = 0;
pItems[index+1].a.s.uBidiLevel = 0;
pItems[index+1].a.s.fOverrideDirection = 0;
pItems[index+1].a.s.fInhibitSymSwap = FALSE;
pItems[index+1].a.s.fCharShape = 0;
pItems[index+1].a.s.fDigitSubstitute = 0;
pItems[index+1].a.s.fInhibitLigate = 0;
pItems[index+1].a.s.fDisplayZWG = 0;
pItems[index+1].a.s.fArabicNumContext = 0;
pItems[index+1].a.s.fGcpClusters = 0;
pItems[index+1].a.s.fReserved = 0;
pItems[index+1].a.s.fEngineReserved = 0;
TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
/* Set one SCRIPT_STATE item being returned */
*pcItems = 1;
*pcItems = index + 1;
/* Set SCRIPT_ITEM */
pItems[1].iCharPos = cInChars - pItems[0].iCharPos ; /* the last + 1 item
pItems[index+1].iCharPos = cnt; /* the last + 1 item
contains the ptr to the lastchar */
TRACE("%s,%d,%d,%p,%p,%p,%p,%d\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
psControl, psState, pItems, pcItems, *pcItems);
TRACE("Start Pos in string: %d, Stop Pos %d\n", pItems[0].iCharPos, pItems[1].iCharPos);
return 0;
return S_OK;
}
/***********************************************************************