]>
Commit | Line | Data |
---|---|---|
1 | // -*- mode: cpp; mode: fold -*- | |
2 | // Description /*{{{*/ | |
3 | // $Id: indexrecords.cc,v 1.1.2.4 2003/12/30 02:11:43 mdz Exp $ | |
4 | /*}}}*/ | |
5 | // Include Files /*{{{*/ | |
6 | #include <apt-pkg/indexrecords.h> | |
7 | #include <apt-pkg/tagfile.h> | |
8 | #include <apt-pkg/error.h> | |
9 | #include <apt-pkg/strutl.h> | |
10 | #include <apti18n.h> | |
11 | #include <sys/stat.h> | |
12 | /*}}}*/ | |
13 | string indexRecords::GetDist() const | |
14 | { | |
15 | return this->Dist; | |
16 | } | |
17 | ||
18 | bool indexRecords::CheckDist(const string MaybeDist) const | |
19 | { | |
20 | return (this->Dist == MaybeDist | |
21 | || this->Suite == MaybeDist); | |
22 | } | |
23 | ||
24 | string indexRecords::GetExpectedDist() const | |
25 | { | |
26 | return this->ExpectedDist; | |
27 | } | |
28 | ||
29 | const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey) | |
30 | { | |
31 | return Entries[MetaKey]; | |
32 | } | |
33 | ||
34 | bool indexRecords::Load(const string Filename) /*{{{*/ | |
35 | { | |
36 | FileFd Fd(Filename, FileFd::ReadOnly); | |
37 | pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX | |
38 | if (_error->PendingError() == true) | |
39 | { | |
40 | strprintf(ErrorText, _("Unable to parse Release file %s"),Filename.c_str()); | |
41 | return false; | |
42 | } | |
43 | ||
44 | pkgTagSection Section; | |
45 | if (TagFile.Step(Section) == false) | |
46 | { | |
47 | strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str()); | |
48 | return false; | |
49 | } | |
50 | ||
51 | const char *Start, *End; | |
52 | Section.Get (Start, End, 0); | |
53 | ||
54 | Suite = Section.FindS("Suite"); | |
55 | Dist = Section.FindS("Codename"); | |
56 | ||
57 | int i; | |
58 | for (i=0;HashString::SupportedHashes()[i] != NULL; i++) | |
59 | { | |
60 | if (!Section.Find(HashString::SupportedHashes()[i], Start, End)) | |
61 | continue; | |
62 | ||
63 | string Name; | |
64 | string Hash; | |
65 | size_t Size; | |
66 | while (Start < End) | |
67 | { | |
68 | if (!parseSumData(Start, End, Name, Hash, Size)) | |
69 | return false; | |
70 | indexRecords::checkSum *Sum = new indexRecords::checkSum; | |
71 | Sum->MetaKeyFilename = Name; | |
72 | Sum->Hash = HashString(HashString::SupportedHashes()[i],Hash); | |
73 | Sum->Size = Size; | |
74 | Entries[Name] = Sum; | |
75 | } | |
76 | break; | |
77 | } | |
78 | ||
79 | if(HashString::SupportedHashes()[i] == NULL) | |
80 | { | |
81 | strprintf(ErrorText, _("No Hash entry in Release file %s"), Filename.c_str()); | |
82 | return false; | |
83 | } | |
84 | ||
85 | string Strdate = Section.FindS("Date"); // FIXME: verify this somehow? | |
86 | return true; | |
87 | } | |
88 | /*}}}*/ | |
89 | vector<string> indexRecords::MetaKeys() /*{{{*/ | |
90 | { | |
91 | std::vector<std::string> keys; | |
92 | std::map<string,checkSum *>::iterator I = Entries.begin(); | |
93 | while(I != Entries.end()) { | |
94 | keys.push_back((*I).first); | |
95 | ++I; | |
96 | } | |
97 | return keys; | |
98 | } | |
99 | /*}}}*/ | |
100 | bool indexRecords::parseSumData(const char *&Start, const char *End, /*{{{*/ | |
101 | string &Name, string &Hash, size_t &Size) | |
102 | { | |
103 | Name = ""; | |
104 | Hash = ""; | |
105 | Size = 0; | |
106 | /* Skip over the first blank */ | |
107 | while ((*Start == '\t' || *Start == ' ' || *Start == '\n') | |
108 | && Start < End) | |
109 | Start++; | |
110 | if (Start >= End) | |
111 | return false; | |
112 | ||
113 | /* Move EntryEnd to the end of the first entry (the hash) */ | |
114 | const char *EntryEnd = Start; | |
115 | while ((*EntryEnd != '\t' && *EntryEnd != ' ') | |
116 | && EntryEnd < End) | |
117 | EntryEnd++; | |
118 | if (EntryEnd == End) | |
119 | return false; | |
120 | ||
121 | Hash.append(Start, EntryEnd-Start); | |
122 | ||
123 | /* Skip over intermediate blanks */ | |
124 | Start = EntryEnd; | |
125 | while (*Start == '\t' || *Start == ' ') | |
126 | Start++; | |
127 | if (Start >= End) | |
128 | return false; | |
129 | ||
130 | EntryEnd = Start; | |
131 | /* Find the end of the second entry (the size) */ | |
132 | while ((*EntryEnd != '\t' && *EntryEnd != ' ' ) | |
133 | && EntryEnd < End) | |
134 | EntryEnd++; | |
135 | if (EntryEnd == End) | |
136 | return false; | |
137 | ||
138 | Size = strtol (Start, NULL, 10); | |
139 | ||
140 | /* Skip over intermediate blanks */ | |
141 | Start = EntryEnd; | |
142 | while (*Start == '\t' || *Start == ' ') | |
143 | Start++; | |
144 | if (Start >= End) | |
145 | return false; | |
146 | ||
147 | EntryEnd = Start; | |
148 | /* Find the end of the third entry (the filename) */ | |
149 | while ((*EntryEnd != '\t' && *EntryEnd != ' ' && *EntryEnd != '\n') | |
150 | && EntryEnd < End) | |
151 | EntryEnd++; | |
152 | ||
153 | Name.append(Start, EntryEnd-Start); | |
154 | Start = EntryEnd; //prepare for the next round | |
155 | return true; | |
156 | } | |
157 | /*}}}*/ | |
158 | indexRecords::indexRecords() | |
159 | { | |
160 | } | |
161 | ||
162 | indexRecords::indexRecords(const string ExpectedDist) : | |
163 | ExpectedDist(ExpectedDist) | |
164 | { | |
165 | } |