Benny Prijono | 85d3f45 | 2005-11-09 15:37:19 +0000 | [diff] [blame] | 1 | /* $Id$ */
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| 2 |
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| 3 | #ifndef __PJPP_FILE_HPP__
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| 4 | #define __PJPP_FILE_HPP__
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| 5 |
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| 6 | #include <pj/file_io.h>
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| 7 | #include <pj/file_access.h>
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| 8 | #include <pj++/types.hpp>
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| 9 | #include <pj++/pool.hpp>
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| 10 |
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| 11 | //
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| 12 | // File API.
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| 13 | //
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| 14 | class Pj_File_API
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| 15 | {
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| 16 | public:
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| 17 | //
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| 18 | // Check file existance.
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| 19 | //
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| 20 | static bool file_exists(const char *filename)
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| 21 | {
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| 22 | return pj_file_exists(filename) != 0;
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| 23 | }
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| 24 |
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| 25 | //
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| 26 | // Get file size.
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| 27 | //
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| 28 | static pj_off_t file_size(const char *filename)
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| 29 | {
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| 30 | return pj_file_size(filename);
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| 31 | }
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| 32 |
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| 33 | //
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| 34 | // Delete file.
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| 35 | //
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| 36 | static pj_status_t file_delete(const char *filename)
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| 37 | {
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| 38 | return pj_file_delete(filename);
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| 39 | }
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| 40 |
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| 41 | //
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| 42 | // Move/rename file.
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| 43 | //
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| 44 | static pj_status_t file_move(const char *oldname, const char *newname)
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| 45 | {
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| 46 | return pj_file_move(oldname, newname);
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| 47 | }
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| 48 |
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| 49 | //
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| 50 | // Get stat.
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| 51 | //
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| 52 | static pj_status_t file_stat(const char *filename, pj_file_stat *buf)
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| 53 | {
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| 54 | return pj_file_getstat(filename, buf);
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| 55 | }
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| 56 | };
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| 57 |
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| 58 |
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| 59 | //
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| 60 | // File.
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| 61 | //
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| 62 | class Pj_File : public Pj_Object
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| 63 | {
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| 64 | public:
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| 65 | //
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| 66 | // Offset type to be used in setpos.
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| 67 | //
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| 68 | enum Offset_Type
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| 69 | {
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| 70 | SEEK_SET = PJ_SEEK_SET,
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| 71 | SEEK_CUR = PJ_SEEK_CUR,
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| 72 | SEEK_END = PJ_SEEK_END,
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| 73 | };
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| 74 |
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| 75 | //
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| 76 | // Default constructor.
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| 77 | //
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| 78 | Pj_File()
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| 79 | : hnd_(0)
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| 80 | {
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| 81 | }
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| 82 |
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| 83 | //
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| 84 | // Construct and open a file.
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| 85 | //
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| 86 | Pj_File(Pj_Pool *pool, const char *filename,
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| 87 | unsigned access = PJ_O_RDONLY)
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| 88 | : hnd_(NULL)
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| 89 | {
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| 90 | open(pool, filename, access);
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| 91 | }
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| 92 |
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| 93 | //
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| 94 | // Destructor closes the file.
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| 95 | //
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| 96 | ~Pj_File()
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| 97 | {
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| 98 | close();
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| 99 | }
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| 100 |
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| 101 | //
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| 102 | // Open a file.
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| 103 | //
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| 104 | pj_status_t open(Pj_Pool *pool, const char *filename,
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| 105 | unsigned access = PJ_O_RDONLY )
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| 106 | {
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| 107 | close();
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| 108 | return pj_file_open(pool->pool_(), filename, access, &hnd_);
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| 109 | }
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| 110 |
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| 111 | //
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| 112 | // Close a file.
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| 113 | //
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| 114 | void close()
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| 115 | {
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| 116 | if (hnd_ != 0) {
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| 117 | pj_file_close(hnd_);
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| 118 | hnd_ = 0;
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | //
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| 123 | // Write data.
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| 124 | //
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| 125 | pj_ssize_t write(const void *buff, pj_size_t size)
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| 126 | {
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| 127 | pj_ssize_t bytes = size;
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| 128 | if (pj_file_write(hnd_, buff, &bytes) != PJ_SUCCESS)
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| 129 | return -1;
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| 130 | return bytes;
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| 131 | }
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| 132 |
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| 133 | //
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| 134 | // Read data.
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| 135 | //
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| 136 | pj_ssize_t read(void *buf, pj_size_t size)
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| 137 | {
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| 138 | pj_ssize_t bytes = size;
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| 139 | if (pj_file_read(hnd_, buf, &bytes) != PJ_SUCCESS)
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| 140 | return -1;
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| 141 | return bytes;
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| 142 | }
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| 143 |
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| 144 | //
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| 145 | // Set file position.
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| 146 | //
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| 147 | pj_status_t setpos(pj_off_t offset, Offset_Type whence)
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| 148 | {
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| 149 | return pj_file_setpos(hnd_, offset,
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| 150 | (enum pj_file_seek_type)whence);
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| 151 | }
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| 152 |
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| 153 | //
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| 154 | // Get file position.
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| 155 | //
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| 156 | pj_off_t getpos()
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| 157 | {
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| 158 | pj_off_t pos;
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| 159 | if (pj_file_getpos(hnd_, &pos) != PJ_SUCCESS)
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| 160 | return -1;
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| 161 | return pos;
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| 162 | }
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| 163 |
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| 164 | private:
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| 165 | pj_oshandle_t hnd_;
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| 166 | };
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| 167 |
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| 168 |
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| 169 |
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| 170 | #endif /* __PJPP_FILE_HPP__ */
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| 171 |
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