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27 
28 #ifndef LUIDL_DISTRIB_HXX
29 #define LUIDL_DISTRIB_HXX
30 
31 
32 
33 // USED SERVICES
34     // BASE CLASSES
35 #include <s2_luidl/tokrecv.hxx>
36 #include <s2_dsapi/tokrecv.hxx>
37 #include <s2_luidl/tokproct.hxx>
38     // COMPONENTS
39     // PARAMETERS
40 
41 
42 class ParserInfo;
43 
44 namespace ary
45 {
46     class Repository;
47 
48 namespace doc
49 {
50     class OldIdlDocu;
51 }   // namespace inf
52 }   // namespace ary)
53 
54 
55 
56 namespace csi
57 {
58 namespace dsapi
59 {
60     class Token_Receiver;
61     class SapiDocu_PE;
62 }
63 
64 
65 
66 namespace uidl
67 {
68 
69 
70 typedef std::vector< DYN Token * >  TokenQueue;
71 typedef TokenQueue::iterator        TokenIterator;
72 
73 class TokenParser_Uidl;
74 class UnoIDL_PE;
75 class Token;
76 
77 
78 class TokenDistributor : private TokenProcessing_Types
79 
80 {
81   public:
82                         TokenDistributor(
83                             ary::Repository &   io_rRepository,
84                             ParserInfo &            io_rParserInfo );
85     void                SetTokenProvider(
86                             TokenParser_Uidl &  io_rTokenSource );
87     void                SetTopParseEnvironment(
88                             UnoIDL_PE &         io_pTopParseEnvironment );
89                         ~TokenDistributor();
90 
91 
92     void                Reset()                 { aDocumentation.Reset(); }
93     /** calls pTokenSource->GetNextToken() and checks the incoming tokens, until a
94         usable token is found. This token will be forwarded to
95         pTopParseEnv;
96     */
97     void                TradeToken();
98 
99     csi::uidl::Token_Receiver &
100                         CodeTokens_Receiver();
101     csi::dsapi::Token_Receiver &
102                         DocuTokens_Receiver();
103 
104     /** Used from PE_File, if there is a docu to get without
105         an environment to push (this is the case for modules).
106     */
107     DYN ary::doc::OldIdlDocu *
108                         ReleaseLastParsedDocu()
109                             { return aDocumentation.ReleaseLastParsedDocu(); }
110 
111     /** Used from PE_File, if the term "published" was parsed.
112         The next opened parse environment will be set to be published
113         (call ->UnoIDL_PE::SetPublished()).
114     */
115     void                Set_PublishedOn()
116                             { aProcessingData.Set_PublishedOn(); }
117 
118 
119   private:
120     class Documentation;
121     class ProcessingData;
122     friend class ProcessingData;
123 
124     class  ProcessingData : public  csi::uidl::Token_Receiver,
125                             private TokenProcessing_Types
126     {
127       public:
128                             ProcessingData(
129                                 ary::Repository &   io_rRepository,
130                                 Documentation &         i_rDocuProcessor,
131                                 ParserInfo &            io_rParserInfo );
132                             ~ProcessingData();
133         void                SetTopParseEnvironment(
134                                 UnoIDL_PE &         io_pTopParseEnvironment );
135 
136 
137         /** is called from pTokenSource before finishing a ::TokenParse2::GetNextToken()
138             call and passes the just parsed token to this class.
139         */
140         virtual void        Receive(
141                                 DYN csi::uidl::Token &
142                                                 let_drToken );
143         virtual void        Increment_CurLine();
144 
145         void                ProcessCurToken();
146 
147         UnoIDL_PE &         CurEnvironment() const;
148         bool                NextTokenExists() const;
149         void                Set_PublishedOn()
150                                 { bPublishedRecentlyOn = true; }
151 
152       private:
153         typedef uintt   TokenQ_Position;
154         typedef std::pair< UnoIDL_PE *, TokenQ_Position >   EnvironmentInfo;
155         typedef std::vector< EnvironmentInfo >              EnvironmentStack;
156 
157         void                AcknowledgeResult();
158         const csi::uidl::Token &
159                             CurToken() const;
160         UnoIDL_PE &         CurEnv() const;
161         UnoIDL_PE &         PushEnv() const;
162         uintt               CurTokenPosition() const;
163         uintt               CurEnv_TriedTokenPosition() const;
164         void                DecrementTryCount();
165 
166         EnvironmentStack    aEnvironments;
167         TokenQueue          aTokenQueue;
168         TokenIterator       itCurToken;
169         TokenProcessing_Result
170                             aCurResult;
171         uintt               nTryCount;
172         bool                bFinished;
173         ary::Repository &
174                             rRepository;
175         ParserInfo &        rParserInfo;
176         Documentation *     pDocuProcessor;
177         bool                bPublishedRecentlyOn;
178     };
179 
180     class Documentation : public csi::dsapi::Token_Receiver
181     {
182       public:
183                             Documentation(
184                                 ParserInfo &    io_rParserInfo);
185                             ~Documentation();
186 
187         void                Reset()             { bIsPassedFirstDocu = false; }
188 
189         virtual void        Receive(
190                                 DYN csi::dsapi::Token &
191                                                 let_drToken );
192         virtual void        Increment_CurLine();
193         DYN ary::doc::OldIdlDocu *
194                             ReleaseLastParsedDocu()
195                                                 { return pMostRecentDocu.Release(); }
196       private:
197         Dyn<csi::dsapi::SapiDocu_PE>
198                             pDocuParseEnv;
199         ParserInfo &        rParserInfo;
200         Dyn<ary::doc::OldIdlDocu>
201                             pMostRecentDocu;
202         bool                bIsPassedFirstDocu;
203     };
204 
205     // DATA
206     TokenParser_Uidl *  pTokenSource;
207     Documentation       aDocumentation;
208     ProcessingData      aProcessingData;
209 };
210 
211 
212 
213 // IMPLEMENTATION
214 
215 inline void
216 TokenDistributor::SetTokenProvider( TokenParser_Uidl &  io_rTokenSource )
217     { pTokenSource = &io_rTokenSource; }
218 
219 inline void
220 TokenDistributor::SetTopParseEnvironment( UnoIDL_PE & io_pTopParseEnvironment )
221     { aProcessingData.SetTopParseEnvironment(io_pTopParseEnvironment); }
222 
223 inline csi::uidl::Token_Receiver &
224 TokenDistributor::CodeTokens_Receiver()
225     { return aProcessingData; }
226 
227 inline csi::dsapi::Token_Receiver &
228 TokenDistributor::DocuTokens_Receiver()
229     { return aDocumentation; }
230 
231 inline const csi::uidl::Token &
232 TokenDistributor::ProcessingData::CurToken() const
233 {
234     csv_assert( itCurToken != aTokenQueue.end() );
235     csv_assert( *itCurToken != 0 );
236     return *(*itCurToken);
237 }
238 
239 inline UnoIDL_PE &
240 TokenDistributor::ProcessingData::CurEnv() const
241 {
242     csv_assert( aEnvironments.size() > 0 );
243     csv_assert( aEnvironments.back().first != 0 );
244     return *aEnvironments.back().first;
245 }
246 
247 inline UnoIDL_PE &
248 TokenDistributor::ProcessingData::PushEnv() const
249 {
250     csv_assert( aCurResult.pEnv2Push != 0 );
251     return *aCurResult.pEnv2Push;
252 }
253 
254 inline uintt
255 TokenDistributor::ProcessingData::CurTokenPosition() const
256 {
257     return itCurToken - aTokenQueue.begin();
258 }
259 
260 inline uintt
261 TokenDistributor::ProcessingData::CurEnv_TriedTokenPosition() const
262 {
263     csv_assert( aEnvironments.size() > 0 );
264     return aEnvironments.back().second;
265 }
266 
267 
268 }   // namespace uidl
269 }   // namespace csi
270 
271 #endif
272 
273