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     const IWordBreakerVtbl *lpVtbl;
  40     LONG ref;
  41 } wordbreaker_impl;
  42
  43 static HRESULT WINAPI wb_QueryInterface( IWordBreaker *iface,
  44         REFIID riid, LPVOID *ppvObj)
  45 {
  46     wordbreaker_impl *This = (wordbreaker_impl *)iface;
  47
  48     TRACE("(%p)->(%s)\n",This,debugstr_guid(riid));
  49
  50     *ppvObj = NULL;
  51
  52     if (IsEqualIID(riid, &IID_IUnknown) ||
  53         IsEqualIID(riid, &IID_IWordBreaker))
  54     {
  55         *ppvObj = This;
  56         return S_OK;
  57     }
  58
  59     TRACE("-- E_NOINTERFACE\n");
  60     return E_NOINTERFACE;
  61 }
  62
  63 static ULONG WINAPI wb_AddRef( IWordBreaker *iface )
  64 {
  65     wordbreaker_impl *This = (wordbreaker_impl *)iface;
  66     return InterlockedIncrement(&This->ref);
  67 }
  68
  69 static ULONG WINAPI wb_Release(IWordBreaker *iface)
  70 {
  71     wordbreaker_impl *This = (wordbreaker_impl *)iface;
  72     LONG refcount;
  73
  74     refcount = InterlockedDecrement(&This->ref);
  75     if (!refcount)
  76         HeapFree(GetProcessHeap(), 0, This);
  77
  78     return refcount;
  79 }
  80
  81 static HRESULT WINAPI wb_Init( IWordBreaker *iface,
  82         BOOL fQuery, ULONG ulMaxTokenSize, BOOL *pfLicense )
  83 {
  84     TRACE("%d %u\n", fQuery, ulMaxTokenSize);
  85     *pfLicense = FALSE;
  86     return S_OK;
  87 }
  88
  89 static HRESULT call_sink( IWordSink *pWordSink, TEXT_SOURCE *ts, UINT len )
  90 {
  91     HRESULT r;
  92
  93     if (!len)
  94         return S_OK;
  95
  96     TRACE("%d %s\n", len, debugstr_w(&ts->awcBuffer[ts->iCur]));
  97
  98     r = IWordSink_PutWord( pWordSink, len, &ts->awcBuffer[ts->iCur], len, ts->iCur );
  99     ts->iCur += len;
 100
 101     return r;
 102 }
 103
 104 static HRESULT WINAPI wb_BreakText( IWordBreaker *iface,
 105          TEXT_SOURCE *ts, IWordSink *pWordSink, IPhraseSink *pPhraseSink)
 106 {
 107     UINT len, state = 0;
 108     WCHAR ch;
 109
 110     TRACE("%p %p %p\n", ts, pWordSink, pPhraseSink);
 111
 112     if (pPhraseSink)
 113         FIXME("IPhraseSink won't be called\n");
 114
 115     do
 116     {
 117         len = 0;
 118         while ((ts->iCur + len) < ts->iEnd)
 119         {
 120             ch = ts->awcBuffer[ts->iCur + len];
 121
 122             switch (state)
 123             {
 124             case 0: /* skip spaces and punctuation */
 125
 126                 if (!ch || ispunctW(ch) || isspaceW(ch))
 127                     ts->iCur ++;
 128                 else
 129                     state = 1;
 130                 break;
 131
 132             case 1: /* find the end of the word */
 133
 134                 if (ch && !ispunctW(ch) && !isspaceW(ch))
 135                     len++;
 136                 else
 137                 {
 138                     call_sink( pWordSink, ts, len );
 139                     len = 0;
 140                     state = 0;
 141                 }
 142                 break;
 143
 144             }
 145         }
 146         call_sink( pWordSink, ts, len );
 147
 148     } while (S_OK == ts->pfnFillTextBuffer( ts ));
 149
 150     return S_OK;
 151 }
 152
 153 static HRESULT WINAPI wb_ComposePhrase( IWordBreaker *iface,
 154          const WCHAR *pwcNoun, ULONG cwcNoun,
 155          const WCHAR *pwcModifier, ULONG cwcModifier,
 156          ULONG ulAttachmentType, WCHAR *pwcPhrase, ULONG *pcwcPhrase)
 157 {
 158     FIXME("%p %u %p %u %u %p %p\n", pwcNoun, cwcNoun,
 159           pwcModifier, cwcModifier, ulAttachmentType, pwcPhrase, pcwcPhrase);
 160     return S_OK;
 161 }
 162
 163 static HRESULT WINAPI wb_GetLicenseToUse( IWordBreaker *iface, const WCHAR **ppwcsLicense )
 164 {
 165     FIXME("%p\n", ppwcsLicense);
 166     *ppwcsLicense = NULL;
 167     return S_OK;
 168 }
 169
 170 static const IWordBreakerVtbl wordbreaker_vtbl =
 171 {
 172     wb_QueryInterface,
 173     wb_AddRef,
 174     wb_Release,
 175     wb_Init,
 176     wb_BreakText,
 177     wb_ComposePhrase,
 178     wb_GetLicenseToUse,
 179 };
 180
 181 HRESULT WINAPI wb_Constructor(IUnknown* pUnkOuter, REFIID riid, LPVOID *ppvObject)
 182 {
 183     wordbreaker_impl *This;
 184     IWordBreaker *wb;
 185
 186     TRACE("%p %s %p\n", pUnkOuter, debugstr_guid(riid), ppvObject);
 187
 188     This = HeapAlloc(GetProcessHeap(), 0, sizeof *This);
 189     if (!This)
 190         return E_OUTOFMEMORY;
 191
 192     This->ref = 1;
 193     This->lpVtbl = &wordbreaker_vtbl;
 194
 195     wb = (IWordBreaker*) This;
 196
 197     return IWordBreaker_QueryInterface(wb, riid, ppvObject);
 198 }