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3** Copyright (C) 2016 The Qt Company Ltd.
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28
29#ifndef CACHEKEYS_H
30#define CACHEKEYS_H
31
32#include "project.h"
33#include <qstring.h>
34#include <qstringlist.h>
35#include <qfile.h>
36#include <qfileinfo.h>
37#include <qhash.h>
38
39QT_BEGIN_NAMESPACE
40
41// -------------------------------------------------------------------------------------------------
42struct FixStringCacheKey
43{
44 mutable size_t hash;
45 QString string, pwd;
46 uchar flags;
47 FixStringCacheKey(const QString &s, uchar f)
48 {
49 hash = 0;
50 pwd = qmake_getpwd();
51 string = s;
52 flags = f;
53 }
54 bool operator==(const FixStringCacheKey &f) const
55 {
56 return (hashCode() == f.hashCode() &&
57 f.flags == flags &&
58 f.string == string &&
59 f.pwd == pwd);
60 }
61 inline size_t hashCode() const {
62 if(!hash)
63 hash = qHash(string) ^ qHash(flags) /*^ qHash(pwd)*/;
64 return hash;
65 }
66};
67inline size_t qHash(const FixStringCacheKey &f) { return f.hashCode(); }
68
69// -------------------------------------------------------------------------------------------------
70struct FileInfoCacheKey
71{
72 mutable size_t hash;
73 QString file, pwd;
74 FileInfoCacheKey(const QString &f)
75 {
76 hash = 0;
77 if(isRelativePath(f))
78 pwd = qmake_getpwd();
79 file = f;
80 }
81 bool operator==(const FileInfoCacheKey &f) const
82 {
83 return (hashCode() == f.hashCode() && f.file == file &&
84 f.pwd == pwd);
85 }
86 inline size_t hashCode() const {
87 if(!hash)
88 hash = qHash(file) /*^ qHash(pwd)*/;
89 return hash;
90 }
91 inline bool isRelativePath(const QString &file) {
92 int length = file.length();
93 if (!length)
94 return true;
95
96 const QChar c0 = file.at(0);
97 const QChar c1 = length >= 2 ? file.at(1) : QChar::Null;
98 return !(c0 == QLatin1Char('/')
99 || c0 == QLatin1Char('\\')
100 || (c0.isLetter() && c1 == QLatin1Char(':'))
101 || (c0 == QLatin1Char('/') && c1 == QLatin1Char('/'))
102 || (c0 == QLatin1Char('\\') && c1 == QLatin1Char('\\')));
103 }
104};
105inline size_t qHash(const FileInfoCacheKey &f) { return f.hashCode(); }
106
107// -------------------------------------------------------------------------------------------------
108template <typename T>
109inline void qmakeDeleteCacheClear(void *i) { delete reinterpret_cast<T*>(i); }
110
111inline void qmakeFreeCacheClear(void *i) { free(i); }
112
113typedef void (*qmakeCacheClearFunc)(void *);
114void qmakeAddCacheClear(qmakeCacheClearFunc func, void **);
115void qmakeClearCaches();
116
117QT_END_NAMESPACE
118
119#endif // CACHEKEYS_H
120