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1 | // -*- mode: cpp; mode: fold -*- | |
2 | // Description /*{{{*/ | |
3 | /* ###################################################################### | |
4 | The scenario file is designed to work as an intermediate file between | |
5 | APT and the resolver. Its on propose very similar to a dpkg status file | |
6 | ##################################################################### */ | |
7 | /*}}}*/ | |
8 | // Include Files /*{{{*/ | |
9 | #include <config.h> | |
10 | ||
11 | #include <apt-pkg/edspindexfile.h> | |
12 | #include <apt-pkg/edsplistparser.h> | |
13 | #include <apt-pkg/error.h> | |
14 | #include <apt-pkg/fileutl.h> | |
15 | #include <apt-pkg/indexfile.h> | |
16 | #include <apt-pkg/pkgcache.h> | |
17 | #include <apt-pkg/pkgrecords.h> | |
18 | ||
19 | #include <stddef.h> | |
20 | #include <unistd.h> | |
21 | #include <string> | |
22 | /*}}}*/ | |
23 | ||
24 | // EDSP-like Index /*{{{*/ | |
25 | edspLikeIndex::edspLikeIndex(std::string const &File) : pkgDebianIndexRealFile(File, true) | |
26 | { | |
27 | } | |
28 | std::string edspLikeIndex::GetArchitecture() const | |
29 | { | |
30 | return std::string(); | |
31 | } | |
32 | bool edspLikeIndex::HasPackages() const | |
33 | { | |
34 | return true; | |
35 | } | |
36 | bool edspLikeIndex::Exists() const | |
37 | { | |
38 | return true; | |
39 | } | |
40 | uint8_t edspLikeIndex::GetIndexFlags() const | |
41 | { | |
42 | return 0; | |
43 | } | |
44 | bool edspLikeIndex::OpenListFile(FileFd &Pkg, std::string const &FileName) | |
45 | { | |
46 | if (FileName.empty() == false && FileName != "/nonexistent/stdin") | |
47 | return pkgDebianIndexRealFile::OpenListFile(Pkg, FileName); | |
48 | if (Pkg.OpenDescriptor(STDIN_FILENO, FileFd::ReadOnly) == false) | |
49 | return _error->Error("Problem opening %s",FileName.c_str()); | |
50 | return true; | |
51 | } | |
52 | /*}}}*/ | |
53 | // EDSP Index /*{{{*/ | |
54 | edspIndex::edspIndex(std::string const &File) : edspLikeIndex(File) | |
55 | { | |
56 | } | |
57 | std::string edspIndex::GetComponent() const | |
58 | { | |
59 | return "edsp"; | |
60 | } | |
61 | pkgCacheListParser * edspIndex::CreateListParser(FileFd &Pkg) | |
62 | { | |
63 | if (Pkg.IsOpen() == false) | |
64 | return NULL; | |
65 | _error->PushToStack(); | |
66 | pkgCacheListParser * const Parser = new edspListParser(&Pkg); | |
67 | bool const newError = _error->PendingError(); | |
68 | _error->MergeWithStack(); | |
69 | return newError ? NULL : Parser; | |
70 | } | |
71 | /*}}}*/ | |
72 | // EIPP Index /*{{{*/ | |
73 | eippIndex::eippIndex(std::string const &File) : edspLikeIndex(File) | |
74 | { | |
75 | } | |
76 | std::string eippIndex::GetComponent() const | |
77 | { | |
78 | return "eipp"; | |
79 | } | |
80 | pkgCacheListParser * eippIndex::CreateListParser(FileFd &Pkg) | |
81 | { | |
82 | if (Pkg.IsOpen() == false) | |
83 | return NULL; | |
84 | _error->PushToStack(); | |
85 | pkgCacheListParser * const Parser = new eippListParser(&Pkg); | |
86 | bool const newError = _error->PendingError(); | |
87 | _error->MergeWithStack(); | |
88 | return newError ? NULL : Parser; | |
89 | } | |
90 | /*}}}*/ | |
91 | ||
92 | // Index File types for APT /*{{{*/ | |
93 | class APT_HIDDEN edspIFType: public pkgIndexFile::Type | |
94 | { | |
95 | public: | |
96 | virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &) const APT_OVERRIDE | |
97 | { | |
98 | // we don't have a record parser for this type as the file is not presistent | |
99 | return NULL; | |
100 | }; | |
101 | edspIFType() {Label = "EDSP scenario file";}; | |
102 | }; | |
103 | APT_HIDDEN edspIFType _apt_Edsp; | |
104 | const pkgIndexFile::Type *edspIndex::GetType() const | |
105 | { | |
106 | return &_apt_Edsp; | |
107 | } | |
108 | ||
109 | class APT_HIDDEN eippIFType: public pkgIndexFile::Type | |
110 | { | |
111 | public: | |
112 | virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &) const APT_OVERRIDE | |
113 | { | |
114 | // we don't have a record parser for this type as the file is not presistent | |
115 | return NULL; | |
116 | }; | |
117 | eippIFType() {Label = "EIPP scenario file";}; | |
118 | }; | |
119 | APT_HIDDEN eippIFType _apt_Eipp; | |
120 | const pkgIndexFile::Type *eippIndex::GetType() const | |
121 | { | |
122 | return &_apt_Eipp; | |
123 | } | |
124 | /*}}}*/ | |
125 | ||
126 | edspLikeIndex::~edspLikeIndex() {} | |
127 | edspIndex::~edspIndex() {} | |
128 | eippIndex::~eippIndex() {} |