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1 | // -*- mode: cpp; mode: fold -*- |
2 | // Description /*{{{*/ | |
3 | // $Id: srcrecords.cc,v 1.7.2.2 2003/12/26 16:27:34 mdz Exp $ | |
4 | /* ###################################################################### | |
5 | ||
6 | Source Package Records - Allows access to source package records | |
7 | ||
8 | Parses and allows access to the list of source records and searching by | |
9 | source name on that list. | |
10 | ||
11 | ##################################################################### */ | |
12 | /*}}}*/ | |
13 | // Include Files /*{{{*/ | |
14 | #ifdef __GNUG__ | |
15 | #pragma implementation "apt-pkg/srcrecords.h" | |
16 | #endif | |
17 | ||
18 | #include <apt-pkg/srcrecords.h> | |
19 | #include <apt-pkg/error.h> | |
20 | #include <apt-pkg/sourcelist.h> | |
21 | #include <apt-pkg/strutl.h> | |
22 | ||
23 | #include <apti18n.h> | |
24 | /*}}}*/ | |
25 | ||
26 | // SrcRecords::pkgSrcRecords - Constructor /*{{{*/ | |
27 | // --------------------------------------------------------------------- | |
28 | /* Open all the source index files */ | |
29 | pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : Files(0), Current(0) | |
30 | { | |
31 | for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); I++) | |
32 | { | |
33 | vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles(); | |
34 | for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin(); | |
35 | J != Indexes->end(); J++) | |
36 | { | |
37 | Parser* P = (*J)->CreateSrcParser(); | |
38 | if (_error->PendingError() == true) | |
39 | return; | |
40 | if (P != 0) | |
41 | Files.push_back(P); | |
42 | } | |
43 | } | |
44 | ||
45 | // Doesn't work without any source index files | |
46 | if (Files.size() == 0) | |
47 | { | |
48 | _error->Error(_("You must put some 'source' URIs" | |
49 | " in your sources.list")); | |
50 | return; | |
51 | } | |
52 | ||
53 | Restart(); | |
54 | } | |
55 | /*}}}*/ | |
56 | // SrcRecords::~pkgSrcRecords - Destructor /*{{{*/ | |
57 | // --------------------------------------------------------------------- | |
58 | /* */ | |
59 | pkgSrcRecords::~pkgSrcRecords() | |
60 | { | |
61 | // Blow away all the parser objects | |
62 | for(vector<Parser*>::iterator I = Files.begin(); I != Files.end(); ++I) | |
63 | delete *I; | |
64 | } | |
65 | /*}}}*/ | |
66 | // SrcRecords::Restart - Restart the search /*{{{*/ | |
67 | // --------------------------------------------------------------------- | |
68 | /* Return all of the parsers to their starting position */ | |
69 | bool pkgSrcRecords::Restart() | |
70 | { | |
71 | Current = Files.begin(); | |
72 | for (vector<Parser*>::iterator I = Files.begin(); | |
73 | I != Files.end(); I++) | |
74 | (*I)->Restart(); | |
75 | ||
76 | return true; | |
77 | } | |
78 | /*}}}*/ | |
79 | // SrcRecords::Find - Find the first source package with the given name /*{{{*/ | |
80 | // --------------------------------------------------------------------- | |
81 | /* This searches on both source package names and output binary names and | |
82 | returns the first found. A 'cursor' like system is used to allow this | |
83 | function to be called multiple times to get successive entries */ | |
84 | pkgSrcRecords::Parser *pkgSrcRecords::Find(const char *Package,bool SrcOnly) | |
85 | { | |
86 | if (Current == Files.end()) | |
87 | return 0; | |
88 | ||
89 | while (true) | |
90 | { | |
91 | // Step to the next record, possibly switching files | |
92 | while ((*Current)->Step() == false) | |
93 | { | |
94 | if (_error->PendingError() == true) | |
95 | return 0; | |
96 | Current++; | |
97 | if (Current == Files.end()) | |
98 | return 0; | |
99 | } | |
100 | ||
101 | // IO error somehow | |
102 | if (_error->PendingError() == true) | |
103 | return 0; | |
104 | ||
105 | // Source name hit | |
106 | if ((*Current)->Package() == Package) | |
107 | return *Current; | |
108 | ||
109 | if (SrcOnly == true) | |
110 | continue; | |
111 | ||
112 | // Check for a binary hit | |
113 | const char **I = (*Current)->Binaries(); | |
114 | for (; I != 0 && *I != 0; I++) | |
115 | if (strcmp(Package,*I) == 0) | |
116 | return *Current; | |
117 | } | |
118 | } | |
119 | /*}}}*/ | |
120 | // Parser::BuildDepType - Convert a build dep to a string /*{{{*/ | |
121 | // --------------------------------------------------------------------- | |
122 | /* */ | |
123 | const char *pkgSrcRecords::Parser::BuildDepType(unsigned char Type) | |
124 | { | |
125 | const char *fields[] = {"Build-Depends", | |
126 | "Build-Depends-Indep", | |
127 | "Build-Conflicts", | |
128 | "Build-Conflicts-Indep"}; | |
129 | if (Type < 4) | |
130 | return fields[Type]; | |
131 | else | |
132 | return ""; | |
133 | } | |
134 | /*}}}*/ | |
135 | ||
136 |