dlls/infosoft/wordbreaker.c

   1 /*
   2  *    Word splitter Implementation
   3  *
   4  * Copyright 2006 Mike McCormack
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include "config.h"
  24
  25 #include <stdarg.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "ole2.h"
  31 #include "indexsrv.h"
  32 #include "wine/unicode.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(infosoft);
  36
  37 typedef struct tag_wordbreaker_impl
  38 {
  39     IWordBreaker IWordBreaker_iface;
  40     LONG ref;
  41 } wordbreaker_impl;
  42
  43 static inline wordbreaker_impl *impl_from_IWordBreaker(IWordBreaker *iface)
  44 {
  45     return CONTAINING_RECORD(iface, wordbreaker_impl, IWordBreaker_iface);
  46 }
  47
  48 static HRESULT WINAPI wb_QueryInterface( IWordBreaker *iface,
  49         REFIID riid, LPVOID *ppvObj)
  50 {
  51     wordbreaker_impl *This = impl_from_IWordBreaker(iface);
  52
  53     TRACE("(%p)->(%s)\n",This,debugstr_guid(riid));
  54
  55     *ppvObj = NULL;
  56
  57     if (IsEqualIID(riid, &IID_IUnknown) ||
  58         IsEqualIID(riid, &IID_IWordBreaker))
  59     {
  60         *ppvObj = &This->IWordBreaker_iface;
  61         return S_OK;
  62     }
  63
  64     TRACE("-- E_NOINTERFACE\n");
  65     return E_NOINTERFACE;
  66 }
  67
  68 static ULONG WINAPI wb_AddRef( IWordBreaker *iface )
  69 {
  70     wordbreaker_impl *This = impl_from_IWordBreaker(iface);
  71     return InterlockedIncrement(&This->ref);
  72 }
  73
  74 static ULONG WINAPI wb_Release(IWordBreaker *iface)
  75 {
  76     wordbreaker_impl *This = impl_from_IWordBreaker(iface);
  77     LONG refcount;
  78
  79     refcount = InterlockedDecrement(&This->ref);
  80     if (!refcount)
  81         HeapFree(GetProcessHeap(), 0, This);
  82
  83     return refcount;
  84 }
  85
  86 static HRESULT WINAPI wb_Init( IWordBreaker *iface,
  87         BOOL fQuery, ULONG ulMaxTokenSize, BOOL *pfLicense )
  88 {
  89     TRACE("%d %u\n", fQuery, ulMaxTokenSize);
  90     *pfLicense = FALSE;
  91     return S_OK;
  92 }
  93
  94 static HRESULT call_sink( IWordSink *pWordSink, TEXT_SOURCE *ts, UINT len )
  95 {
  96     HRESULT r;
  97
  98     if (!len)
  99         return S_OK;
 100
 101     TRACE("%d %s\n", len, debugstr_w(&ts->awcBuffer[ts->iCur]));
 102
 103     r = IWordSink_PutWord( pWordSink, len, &ts->awcBuffer[ts->iCur], len, ts->iCur );
 104     ts->iCur += len;
 105
 106     return r;
 107 }
 108
 109 static HRESULT WINAPI wb_BreakText( IWordBreaker *iface,
 110          TEXT_SOURCE *ts, IWordSink *pWordSink, IPhraseSink *pPhraseSink)
 111 {
 112     UINT len, state = 0;
 113     WCHAR ch;
 114
 115     TRACE("%p %p %p\n", ts, pWordSink, pPhraseSink);
 116
 117     if (pPhraseSink)
 118         FIXME("IPhraseSink won't be called\n");
 119
 120     do
 121     {
 122         len = 0;
 123         while ((ts->iCur + len) < ts->iEnd)
 124         {
 125             ch = ts->awcBuffer[ts->iCur + len];
 126
 127             switch (state)
 128             {
 129             case 0: /* skip spaces and punctuation */
 130
 131                 if (!ch || ispunctW(ch) || isspaceW(ch))
 132                     ts->iCur ++;
 133                 else
 134                     state = 1;
 135                 break;
 136
 137             case 1: /* find the end of the word */
 138
 139                 if (ch && !ispunctW(ch) && !isspaceW(ch))
 140                     len++;
 141                 else
 142                 {
 143                     call_sink( pWordSink, ts, len );
 144                     len = 0;
 145                     state = 0;
 146                 }
 147                 break;
 148
 149             }
 150         }
 151         call_sink( pWordSink, ts, len );
 152
 153     } while (S_OK == ts->pfnFillTextBuffer( ts ));
 154
 155     return S_OK;
 156 }
 157
 158 static HRESULT WINAPI wb_ComposePhrase( IWordBreaker *iface,
 159          const WCHAR *pwcNoun, ULONG cwcNoun,
 160          const WCHAR *pwcModifier, ULONG cwcModifier,
 161          ULONG ulAttachmentType, WCHAR *pwcPhrase, ULONG *pcwcPhrase)
 162 {
 163     FIXME("%p %u %p %u %u %p %p\n", pwcNoun, cwcNoun,
 164           pwcModifier, cwcModifier, ulAttachmentType, pwcPhrase, pcwcPhrase);
 165     return S_OK;
 166 }
 167
 168 static HRESULT WINAPI wb_GetLicenseToUse( IWordBreaker *iface, const WCHAR **ppwcsLicense )
 169 {
 170     FIXME("%p\n", ppwcsLicense);
 171     *ppwcsLicense = NULL;
 172     return S_OK;
 173 }
 174
 175 static const IWordBreakerVtbl wordbreaker_vtbl =
 176 {
 177     wb_QueryInterface,
 178     wb_AddRef,
 179     wb_Release,
 180     wb_Init,
 181     wb_BreakText,
 182     wb_ComposePhrase,
 183     wb_GetLicenseToUse,
 184 };
 185
 186 DECLSPEC_HIDDEN HRESULT WINAPI wb_Constructor(IUnknown* pUnkOuter, REFIID riid, LPVOID *ppvObject)
 187 {
 188     wordbreaker_impl *This;
 189     IWordBreaker *wb;
 190
 191     TRACE("%p %s %p\n", pUnkOuter, debugstr_guid(riid), ppvObject);
 192
 193     This = HeapAlloc(GetProcessHeap(), 0, sizeof *This);
 194     if (!This)
 195         return E_OUTOFMEMORY;
 196
 197     This->ref = 1;
 198     This->IWordBreaker_iface.lpVtbl = &wordbreaker_vtbl;
 199
 200     wb = &This->IWordBreaker_iface;
 201
 202     return IWordBreaker_QueryInterface(wb, riid, ppvObject);
 203 }