1239 lines
40 KiB
C++
1239 lines
40 KiB
C++
#include "cube.hh"
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///////////////////////// character conversion ///////////////
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#define CUBECTYPE(s, p, d, a, A, u, U) \
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0, U, U, U, U, U, U, U, U, s, s, s, s, s, U, U, \
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U, U, U, U, U, U, U, U, U, U, U, U, U, U, U, U, \
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s, p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, \
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d, d, d, d, d, d, d, d, d, d, p, p, p, p, p, p, \
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p, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, \
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A, A, A, A, A, A, A, A, A, A, A, p, p, p, p, p, \
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p, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, \
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a, a, a, a, a, a, a, a, a, a, a, p, p, p, p, U, \
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U, u, u, u, u, u, u, u, u, u, u, u, u, u, u, u, \
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u, u, u, u, u, u, u, u, u, u, u, u, u, u, u, U, \
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u, U, u, U, u, U, u, U, u, U, u, U, u, U, u, U, \
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u, U, u, U, u, U, u, U, u, U, u, U, u, U, u, U, \
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u, U, u, U, u, U, u, U, U, u, U, u, U, u, U, U, \
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U, U, U, U, U, U, U, U, U, U, U, U, U, U, U, U, \
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U, U, U, U, u, u, u, u, u, u, u, u, u, u, u, u, \
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u, u, u, u, u, u, u, u, u, u, u, u, u, u, U, u
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extern const uchar cubectype[256] =
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{
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CUBECTYPE(CT_SPACE,
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CT_PRINT,
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CT_PRINT|CT_DIGIT,
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CT_PRINT|CT_ALPHA|CT_LOWER,
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CT_PRINT|CT_ALPHA|CT_UPPER,
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CT_PRINT|CT_UNICODE|CT_ALPHA|CT_LOWER,
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CT_PRINT|CT_UNICODE|CT_ALPHA|CT_UPPER)
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};
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extern const int cube2unichars[256] =
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{
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0, 192, 193, 194, 195, 196, 197, 198, 199, 9, 10, 11, 12, 13, 200, 201,
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202, 203, 204, 205, 206, 207, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
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96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
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112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 220,
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221, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
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238, 239, 241, 242, 243, 244, 245, 246, 248, 249, 250, 251, 252, 253, 255, 0x104,
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0x105, 0x106, 0x107, 0x10C, 0x10D, 0x10E, 0x10F, 0x118, 0x119, 0x11A, 0x11B, 0x11E, 0x11F, 0x130, 0x131, 0x141,
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0x142, 0x143, 0x144, 0x147, 0x148, 0x150, 0x151, 0x152, 0x153, 0x158, 0x159, 0x15A, 0x15B, 0x15E, 0x15F, 0x160,
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0x161, 0x164, 0x165, 0x16E, 0x16F, 0x170, 0x171, 0x178, 0x179, 0x17A, 0x17B, 0x17C, 0x17D, 0x17E, 0x404, 0x411,
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0x413, 0x414, 0x416, 0x417, 0x418, 0x419, 0x41B, 0x41F, 0x423, 0x424, 0x426, 0x427, 0x428, 0x429, 0x42A, 0x42B,
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0x42C, 0x42D, 0x42E, 0x42F, 0x431, 0x432, 0x433, 0x434, 0x436, 0x437, 0x438, 0x439, 0x43A, 0x43B, 0x43C, 0x43D,
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0x43F, 0x442, 0x444, 0x446, 0x447, 0x448, 0x449, 0x44A, 0x44B, 0x44C, 0x44D, 0x44E, 0x44F, 0x454, 0x490, 0x491
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};
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extern const int uni2cubeoffsets[8] =
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{
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0, 256, 658, 658, 512, 658, 658, 658
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};
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extern const uchar uni2cubechars[878] =
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 10, 11, 12, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
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96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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1, 2, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 18, 19, 20, 21, 0, 22, 23, 24, 25, 26, 27, 0, 28, 29, 30, 31, 127, 128, 0, 129,
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130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 0, 146, 147, 148, 149, 150, 151, 0, 152, 153, 154, 155, 156, 157, 0, 158,
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0, 0, 0, 0, 159, 160, 161, 162, 0, 0, 0, 0, 163, 164, 165, 166, 0, 0, 0, 0, 0, 0, 0, 0, 167, 168, 169, 170, 0, 0, 171, 172,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 173, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 175, 176, 177, 178, 0, 0, 179, 180, 0, 0, 0, 0, 0, 0, 0, 181, 182, 183, 184, 0, 0, 0, 0, 185, 186, 187, 188, 0, 0, 189, 190,
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191, 192, 0, 0, 193, 194, 0, 0, 0, 0, 0, 0, 0, 0, 195, 196, 197, 198, 0, 0, 0, 0, 0, 0, 199, 200, 201, 202, 203, 204, 205, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 17, 0, 0, 206, 83, 73, 21, 74, 0, 0, 0, 0, 0, 0, 0, 65, 207, 66, 208, 209, 69, 210, 211, 212, 213, 75, 214, 77, 72, 79, 215,
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80, 67, 84, 216, 217, 88, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 97, 228, 229, 230, 231, 101, 232, 233, 234, 235, 236, 237, 238, 239, 111, 240,
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112, 99, 241, 121, 242, 120, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 0, 141, 0, 0, 253, 115, 105, 145, 106, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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extern const uchar cubelowerchars[256] =
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{
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0, 130, 131, 132, 133, 134, 135, 136, 137, 9, 10, 11, 12, 13, 138, 139,
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140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
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112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 91, 92, 93, 94, 95,
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96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
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112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 156,
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157, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
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144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 160,
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160, 162, 162, 164, 164, 166, 166, 168, 168, 170, 170, 172, 172, 105, 174, 176,
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176, 178, 178, 180, 180, 182, 182, 184, 184, 186, 186, 188, 188, 190, 190, 192,
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192, 194, 194, 196, 196, 198, 198, 158, 201, 201, 203, 203, 205, 205, 206, 207,
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208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
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224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
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240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
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};
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extern const uchar cubeupperchars[256] =
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{
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
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96, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 123, 124, 125, 126, 127,
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128, 129, 1, 2, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 18, 19,
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20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 127, 128, 199, 159,
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159, 161, 161, 163, 163, 165, 165, 167, 167, 169, 169, 171, 171, 173, 73, 175,
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175, 177, 177, 179, 179, 181, 181, 183, 183, 185, 185, 187, 187, 189, 189, 191,
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191, 193, 193, 195, 195, 197, 197, 199, 200, 200, 202, 202, 204, 204, 206, 207,
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208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
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224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
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240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
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};
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size_t decodeutf8(uchar *dstbuf, size_t dstlen, const uchar *srcbuf, size_t srclen, size_t *carry)
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{
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uchar *dst = dstbuf, *dstend = &dstbuf[dstlen];
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const uchar *src = srcbuf, *srcend = &srcbuf[srclen];
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if(dstbuf == srcbuf)
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{
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int len = min(dstlen, srclen);
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for(const uchar *end4 = &srcbuf[len&~3]; src < end4; src += 4) if(*(const int *)src & 0x80808080) goto decode;
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for(const uchar *end = &srcbuf[len]; src < end; src++) if(*src & 0x80) goto decode;
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if(carry) *carry += len;
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return len;
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}
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decode:
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dst += src - srcbuf;
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while(src < srcend && dst < dstend)
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{
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int c = *src++;
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if(c < 0x80) *dst++ = c;
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else if(c >= 0xC0)
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{
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int uni;
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if(c >= 0xE0)
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{
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if(c >= 0xF0)
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{
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if(c >= 0xF8)
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{
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if(c >= 0xFC)
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{
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if(c >= 0xFE) continue;
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uni = c&1; if(srcend - src < 5) break;
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c = *src; if((c&0xC0) != 0x80) continue; src++; uni = (uni<<6) | (c&0x3F);
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}
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else { uni = c&3; if(srcend - src < 4) break; }
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c = *src; if((c&0xC0) != 0x80) continue; src++; uni = (uni<<6) | (c&0x3F);
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}
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else { uni = c&7; if(srcend - src < 3) break; }
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c = *src; if((c&0xC0) != 0x80) continue; src++; uni = (uni<<6) | (c&0x3F);
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}
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else { uni = c&0xF; if(srcend - src < 2) break; }
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c = *src; if((c&0xC0) != 0x80) continue; src++; uni = (uni<<6) | (c&0x3F);
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}
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else { uni = c&0x1F; if(srcend - src < 1) break; }
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c = *src; if((c&0xC0) != 0x80) continue; src++; uni = (uni<<6) | (c&0x3F);
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c = uni2cube(uni);
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if(!c) continue;
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*dst++ = c;
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}
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}
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if(carry) *carry += src - srcbuf;
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return dst - dstbuf;
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}
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size_t encodeutf8(uchar *dstbuf, size_t dstlen, const uchar *srcbuf, size_t srclen, size_t *carry)
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{
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uchar *dst = dstbuf, *dstend = &dstbuf[dstlen];
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const uchar *src = srcbuf, *srcend = &srcbuf[srclen];
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if(src < srcend && dst < dstend) do
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{
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int uni = cube2uni(*src);
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if(uni <= 0x7F)
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{
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if(dst >= dstend) goto done;
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const uchar *end = min(srcend, &src[dstend-dst]);
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do
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{
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if(uni == '\f')
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{
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if(++src >= srcend) goto done;
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goto uni1;
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}
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*dst++ = uni;
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if(++src >= end) goto done;
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uni = cube2uni(*src);
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}
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while(uni <= 0x7F);
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}
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if(uni <= 0x7FF) { if(dst + 2 > dstend) goto done; *dst++ = 0xC0 | (uni>>6); goto uni2; }
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else if(uni <= 0xFFFF) { if(dst + 3 > dstend) goto done; *dst++ = 0xE0 | (uni>>12); goto uni3; }
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else if(uni <= 0x1FFFFF) { if(dst + 4 > dstend) goto done; *dst++ = 0xF0 | (uni>>18); goto uni4; }
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else if(uni <= 0x3FFFFFF) { if(dst + 5 > dstend) goto done; *dst++ = 0xF8 | (uni>>24); goto uni5; }
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else if(uni <= 0x7FFFFFFF) { if(dst + 6 > dstend) goto done; *dst++ = 0xFC | (uni>>30); goto uni6; }
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else goto uni1;
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uni6: *dst++ = 0x80 | ((uni>>24)&0x3F);
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uni5: *dst++ = 0x80 | ((uni>>18)&0x3F);
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uni4: *dst++ = 0x80 | ((uni>>12)&0x3F);
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uni3: *dst++ = 0x80 | ((uni>>6)&0x3F);
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uni2: *dst++ = 0x80 | (uni&0x3F);
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uni1:;
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}
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while(++src < srcend);
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done:
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if(carry) *carry += src - srcbuf;
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return dst - dstbuf;
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}
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|
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///////////////////////// file system ///////////////////////
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|
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#ifdef WIN32
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#include <shlobj.h>
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#else
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <dirent.h>
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#endif
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|
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string homedir = "";
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|
struct packagedir
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|
{
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|
char *dir, *filter;
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size_t dirlen, filterlen;
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};
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|
vector<packagedir> packagedirs;
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|
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char *makerelpath(const char *dir, const char *file, const char *prefix, const char *cmd)
|
|
{
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|
static string tmp;
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|
if(prefix) copystring(tmp, prefix);
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else tmp[0] = '\0';
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if(file[0]=='<')
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{
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const char *end = strrchr(file, '>');
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if(end)
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{
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size_t len = strlen(tmp);
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copystring(&tmp[len], file, min(sizeof(tmp)-len, size_t(end+2-file)));
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file = end+1;
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}
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}
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if(cmd) concatstring(tmp, cmd);
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if(dir)
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{
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defformatstring(pname, "%s/%s", dir, file);
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concatstring(tmp, pname);
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}
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else concatstring(tmp, file);
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return tmp;
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}
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|
|
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char *path(char *s)
|
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{
|
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for(char *curpart = s;;)
|
|
{
|
|
char *endpart = strchr(curpart, '&');
|
|
if(endpart) *endpart = '\0';
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if(curpart[0]=='<')
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{
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char *file = strrchr(curpart, '>');
|
|
if(!file) return s;
|
|
curpart = file+1;
|
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}
|
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for(char *t = curpart; (t = strpbrk(t, "/\\")); *t++ = PATHDIV);
|
|
for(char *prevdir = NULL, *curdir = curpart;;)
|
|
{
|
|
prevdir = curdir[0]==PATHDIV ? curdir+1 : curdir;
|
|
curdir = strchr(prevdir, PATHDIV);
|
|
if(!curdir) break;
|
|
if(prevdir+1==curdir && prevdir[0]=='.')
|
|
{
|
|
memmove(prevdir, curdir+1, strlen(curdir+1)+1);
|
|
curdir = prevdir;
|
|
}
|
|
else if(curdir[1]=='.' && curdir[2]=='.' && curdir[3]==PATHDIV)
|
|
{
|
|
if(prevdir+2==curdir && prevdir[0]=='.' && prevdir[1]=='.') continue;
|
|
memmove(prevdir, curdir+4, strlen(curdir+4)+1);
|
|
if(prevdir-2 >= curpart && prevdir[-1]==PATHDIV)
|
|
{
|
|
prevdir -= 2;
|
|
while(prevdir-1 >= curpart && prevdir[-1] != PATHDIV) --prevdir;
|
|
}
|
|
curdir = prevdir;
|
|
}
|
|
}
|
|
if(endpart)
|
|
{
|
|
*endpart = '&';
|
|
curpart = endpart+1;
|
|
}
|
|
else break;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
char *path(const char *s, bool copy)
|
|
{
|
|
static string tmp;
|
|
copystring(tmp, s);
|
|
path(tmp);
|
|
return tmp;
|
|
}
|
|
|
|
const char *parentdir(const char *directory)
|
|
{
|
|
const char *p = directory + strlen(directory);
|
|
while(p > directory && *p != '/' && *p != '\\') p--;
|
|
static string parent;
|
|
size_t len = p-directory+1;
|
|
copystring(parent, directory, len);
|
|
return parent;
|
|
}
|
|
|
|
bool fileexists(const char *path, const char *mode)
|
|
{
|
|
bool exists = true;
|
|
if(mode[0]=='w' || mode[0]=='a') path = parentdir(path);
|
|
#ifdef WIN32
|
|
if(GetFileAttributes(path[0] ? path : ".\\") == INVALID_FILE_ATTRIBUTES) exists = false;
|
|
#else
|
|
if(access(path[0] ? path : ".", mode[0]=='w' || mode[0]=='a' ? W_OK : (mode[0]=='d' ? X_OK : R_OK)) == -1) exists = false;
|
|
#endif
|
|
return exists;
|
|
}
|
|
|
|
bool createdir(const char *path)
|
|
{
|
|
size_t len = strlen(path);
|
|
if(path[len-1]==PATHDIV)
|
|
{
|
|
static string strip;
|
|
path = copystring(strip, path, len);
|
|
}
|
|
#ifdef WIN32
|
|
return CreateDirectory(path, NULL)!=0;
|
|
#else
|
|
return mkdir(path, 0777)==0;
|
|
#endif
|
|
}
|
|
|
|
size_t fixpackagedir(char *dir)
|
|
{
|
|
path(dir);
|
|
size_t len = strlen(dir);
|
|
if(len > 0 && dir[len-1] != PATHDIV)
|
|
{
|
|
dir[len] = PATHDIV;
|
|
dir[len+1] = '\0';
|
|
}
|
|
return len;
|
|
}
|
|
|
|
bool subhomedir(char *dst, int len, const char *src)
|
|
{
|
|
const char *sub = strstr(src, "$HOME");
|
|
if(!sub) sub = strchr(src, '~');
|
|
if(sub && sub-src < len)
|
|
{
|
|
#ifdef WIN32
|
|
char home[MAX_PATH+1];
|
|
home[0] = '\0';
|
|
if(SHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, 0, home) != S_OK || !home[0]) return false;
|
|
#else
|
|
const char *home = getenv("HOME");
|
|
if(!home || !home[0]) return false;
|
|
#endif
|
|
dst[sub-src] = '\0';
|
|
concatstring(dst, home, len);
|
|
concatstring(dst, sub+(*sub == '~' ? 1 : strlen("$HOME")), len);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
const char *sethomedir(const char *dir)
|
|
{
|
|
string pdir;
|
|
copystring(pdir, dir);
|
|
if(!subhomedir(pdir, sizeof(pdir), dir) || !fixpackagedir(pdir)) return NULL;
|
|
copystring(homedir, pdir);
|
|
return homedir;
|
|
}
|
|
|
|
const char *addpackagedir(const char *dir)
|
|
{
|
|
string pdir;
|
|
copystring(pdir, dir);
|
|
if(!subhomedir(pdir, sizeof(pdir), dir) || !fixpackagedir(pdir)) return NULL;
|
|
char *filter = pdir;
|
|
for(;;)
|
|
{
|
|
static int len = strlen("media");
|
|
filter = strstr(filter, "media");
|
|
if(!filter) break;
|
|
if(filter > pdir && filter[-1] == PATHDIV && filter[len] == PATHDIV) break;
|
|
filter += len;
|
|
}
|
|
packagedir &pf = packagedirs.add();
|
|
pf.dir = filter ? newstring(pdir, filter-pdir) : newstring(pdir);
|
|
pf.dirlen = filter ? filter-pdir : strlen(pdir);
|
|
pf.filter = filter ? newstring(filter) : NULL;
|
|
pf.filterlen = filter ? strlen(filter) : 0;
|
|
return pf.dir;
|
|
}
|
|
|
|
const char *findfile(const char *filename, const char *mode)
|
|
{
|
|
static string s;
|
|
if(homedir[0])
|
|
{
|
|
formatstring(s, "%s%s", homedir, filename);
|
|
if(fileexists(s, mode)) return s;
|
|
if(mode[0]=='w' || mode[0]=='a')
|
|
{
|
|
string dirs;
|
|
copystring(dirs, s);
|
|
char *dir = strchr(dirs[0]==PATHDIV ? dirs+1 : dirs, PATHDIV);
|
|
while(dir)
|
|
{
|
|
*dir = '\0';
|
|
if(!fileexists(dirs, "d") && !createdir(dirs)) return s;
|
|
*dir = PATHDIV;
|
|
dir = strchr(dir+1, PATHDIV);
|
|
}
|
|
return s;
|
|
}
|
|
}
|
|
if(mode[0]=='w' || mode[0]=='a') return filename;
|
|
loopv(packagedirs)
|
|
{
|
|
packagedir &pf = packagedirs[i];
|
|
if(pf.filter && strncmp(filename, pf.filter, pf.filterlen)) continue;
|
|
formatstring(s, "%s%s", pf.dir, filename);
|
|
if(fileexists(s, mode)) return s;
|
|
}
|
|
if(mode[0]=='e') return NULL;
|
|
return filename;
|
|
}
|
|
|
|
bool listdir(const char *dirname, bool rel, const char *ext, vector<char *> &files)
|
|
{
|
|
size_t extsize = ext ? strlen(ext)+1 : 0;
|
|
#ifdef WIN32
|
|
defformatstring(pathname, rel ? ".\\%s\\*.%s" : "%s\\*.%s", dirname, ext ? ext : "*");
|
|
WIN32_FIND_DATA FindFileData;
|
|
HANDLE Find = FindFirstFile(pathname, &FindFileData);
|
|
if(Find != INVALID_HANDLE_VALUE)
|
|
{
|
|
do {
|
|
if(!ext) files.add(newstring(FindFileData.cFileName));
|
|
else
|
|
{
|
|
size_t namelen = strlen(FindFileData.cFileName);
|
|
if(namelen > extsize)
|
|
{
|
|
namelen -= extsize;
|
|
if(FindFileData.cFileName[namelen] == '.' && strncmp(FindFileData.cFileName+namelen+1, ext, extsize-1)==0)
|
|
files.add(newstring(FindFileData.cFileName, namelen));
|
|
}
|
|
}
|
|
} while(FindNextFile(Find, &FindFileData));
|
|
FindClose(Find);
|
|
return true;
|
|
}
|
|
#else
|
|
defformatstring(pathname, rel ? "./%s" : "%s", dirname);
|
|
DIR *d = opendir(pathname);
|
|
if(d)
|
|
{
|
|
struct dirent *de;
|
|
while((de = readdir(d)) != NULL)
|
|
{
|
|
if(!ext) files.add(newstring(de->d_name));
|
|
else
|
|
{
|
|
size_t namelen = strlen(de->d_name);
|
|
if(namelen > extsize)
|
|
{
|
|
namelen -= extsize;
|
|
if(de->d_name[namelen] == '.' && strncmp(de->d_name+namelen+1, ext, extsize-1)==0)
|
|
files.add(newstring(de->d_name, namelen));
|
|
}
|
|
}
|
|
}
|
|
closedir(d);
|
|
return true;
|
|
}
|
|
#endif
|
|
else return false;
|
|
}
|
|
|
|
int listfiles(const char *dir, const char *ext, vector<char *> &files)
|
|
{
|
|
string dirname;
|
|
copystring(dirname, dir);
|
|
path(dirname);
|
|
size_t dirlen = strlen(dirname);
|
|
while(dirlen > 1 && dirname[dirlen-1] == PATHDIV) dirname[--dirlen] = '\0';
|
|
int dirs = 0;
|
|
if(listdir(dirname, true, ext, files)) dirs++;
|
|
string s;
|
|
if(homedir[0])
|
|
{
|
|
formatstring(s, "%s%s", homedir, dirname);
|
|
if(listdir(s, false, ext, files)) dirs++;
|
|
}
|
|
loopv(packagedirs)
|
|
{
|
|
packagedir &pf = packagedirs[i];
|
|
if(pf.filter && strncmp(dirname, pf.filter, dirlen == pf.filterlen-1 ? dirlen : pf.filterlen))
|
|
continue;
|
|
formatstring(s, "%s%s", pf.dir, dirname);
|
|
if(listdir(s, false, ext, files)) dirs++;
|
|
}
|
|
#ifndef STANDALONE
|
|
dirs += listzipfiles(dirname, ext, files);
|
|
#endif
|
|
return dirs;
|
|
}
|
|
|
|
#ifndef STANDALONE
|
|
static Sint64 rwopsseek(SDL_RWops *rw, Sint64 pos, int whence)
|
|
{
|
|
stream *f = (stream *)rw->hidden.unknown.data1;
|
|
if((!pos && whence==SEEK_CUR) || f->seek(pos, whence)) return (int)f->tell();
|
|
return -1;
|
|
}
|
|
|
|
static size_t rwopsread(SDL_RWops *rw, void *buf, size_t size, size_t nmemb)
|
|
{
|
|
stream *f = (stream *)rw->hidden.unknown.data1;
|
|
return f->read(buf, size*nmemb)/size;
|
|
}
|
|
|
|
static size_t rwopswrite(SDL_RWops *rw, const void *buf, size_t size, size_t nmemb)
|
|
{
|
|
stream *f = (stream *)rw->hidden.unknown.data1;
|
|
return f->write(buf, size*nmemb)/size;
|
|
}
|
|
|
|
static int rwopsclose(SDL_RWops *rw)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
SDL_RWops *stream::rwops()
|
|
{
|
|
SDL_RWops *rw = SDL_AllocRW();
|
|
if(!rw) return NULL;
|
|
rw->hidden.unknown.data1 = this;
|
|
rw->seek = rwopsseek;
|
|
rw->read = rwopsread;
|
|
rw->write = rwopswrite;
|
|
rw->close = rwopsclose;
|
|
return rw;
|
|
}
|
|
#endif
|
|
|
|
stream::offset stream::size()
|
|
{
|
|
offset pos = tell(), endpos;
|
|
if(pos < 0 || !seek(0, SEEK_END)) return -1;
|
|
endpos = tell();
|
|
return pos == endpos || seek(pos, SEEK_SET) ? endpos : -1;
|
|
}
|
|
|
|
bool stream::getline(char *str, size_t len)
|
|
{
|
|
loopi(len-1)
|
|
{
|
|
if(read(&str[i], 1) != 1) { str[i] = '\0'; return i > 0; }
|
|
else if(str[i] == '\n') { str[i+1] = '\0'; return true; }
|
|
}
|
|
if(len > 0) str[len-1] = '\0';
|
|
return true;
|
|
}
|
|
|
|
size_t stream::printf(const char *fmt, ...)
|
|
{
|
|
char buf[512];
|
|
char *str = buf;
|
|
va_list args;
|
|
#if defined(WIN32) && !defined(__GNUC__)
|
|
va_start(args, fmt);
|
|
int len = _vscprintf(fmt, args);
|
|
if(len <= 0) { va_end(args); return 0; }
|
|
if(len >= (int)sizeof(buf)) str = new char[len+1];
|
|
_vsnprintf(str, len+1, fmt, args);
|
|
va_end(args);
|
|
#else
|
|
va_start(args, fmt);
|
|
int len = vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
if(len <= 0) return 0;
|
|
if(len >= (int)sizeof(buf))
|
|
{
|
|
str = new char[len+1];
|
|
va_start(args, fmt);
|
|
vsnprintf(str, len+1, fmt, args);
|
|
va_end(args);
|
|
}
|
|
#endif
|
|
size_t n = write(str, len);
|
|
if(str != buf) delete[] str;
|
|
return n;
|
|
}
|
|
|
|
struct filestream : stream
|
|
{
|
|
FILE *file;
|
|
|
|
filestream() : file(NULL) {}
|
|
~filestream() { close(); }
|
|
|
|
bool open(const char *name, const char *mode)
|
|
{
|
|
if(file) return false;
|
|
file = fopen(name, mode);
|
|
return file!=NULL;
|
|
}
|
|
|
|
bool opentemp(const char *name, const char *mode)
|
|
{
|
|
if(file) return false;
|
|
#ifdef WIN32
|
|
file = fopen(name, mode);
|
|
#else
|
|
file = tmpfile();
|
|
#endif
|
|
return file!=NULL;
|
|
}
|
|
|
|
void close()
|
|
{
|
|
if(file) { fclose(file); file = NULL; }
|
|
}
|
|
|
|
bool end() { return feof(file)!=0; }
|
|
offset tell()
|
|
{
|
|
#ifdef WIN32
|
|
#if defined(__GNUC__) && !defined(__MINGW32__)
|
|
offset off = ftello64(file);
|
|
#else
|
|
offset off = _ftelli64(file);
|
|
#endif
|
|
#else
|
|
offset off = ftello(file);
|
|
#endif
|
|
// ftello returns LONG_MAX for directories on some platforms
|
|
return off + 1 >= 0 ? off : -1;
|
|
}
|
|
bool seek(offset pos, int whence)
|
|
{
|
|
#ifdef WIN32
|
|
#if defined(__GNUC__) && !defined(__MINGW32__)
|
|
return fseeko64(file, pos, whence) >= 0;
|
|
#else
|
|
return _fseeki64(file, pos, whence) >= 0;
|
|
#endif
|
|
#else
|
|
return fseeko(file, pos, whence) >= 0;
|
|
#endif
|
|
}
|
|
|
|
size_t read(void *buf, size_t len) { return fread(buf, 1, len, file); }
|
|
size_t write(const void *buf, size_t len) { return fwrite(buf, 1, len, file); }
|
|
bool flush() { return !fflush(file); }
|
|
int getchar() { return fgetc(file); }
|
|
bool putchar(int c) { return fputc(c, file)!=EOF; }
|
|
bool getline(char *str, size_t len) { return fgets(str, len, file)!=NULL; }
|
|
bool putstring(const char *str) { return fputs(str, file)!=EOF; }
|
|
|
|
size_t printf(const char *fmt, ...)
|
|
{
|
|
va_list v;
|
|
va_start(v, fmt);
|
|
int result = vfprintf(file, fmt, v);
|
|
va_end(v);
|
|
return max(result, 0);
|
|
}
|
|
};
|
|
|
|
#ifndef STANDALONE
|
|
VAR(dbggz, 0, 0, 1);
|
|
#endif
|
|
|
|
struct gzstream : stream
|
|
{
|
|
enum
|
|
{
|
|
MAGIC1 = 0x1F,
|
|
MAGIC2 = 0x8B,
|
|
BUFSIZE = 16384,
|
|
OS_UNIX = 0x03
|
|
};
|
|
|
|
enum
|
|
{
|
|
F_ASCII = 0x01,
|
|
F_CRC = 0x02,
|
|
F_EXTRA = 0x04,
|
|
F_NAME = 0x08,
|
|
F_COMMENT = 0x10,
|
|
F_RESERVED = 0xE0
|
|
};
|
|
|
|
stream *file;
|
|
z_stream zfile;
|
|
uchar *buf;
|
|
bool reading, writing, autoclose;
|
|
uint crc;
|
|
size_t headersize;
|
|
|
|
gzstream() : file(NULL), buf(NULL), reading(false), writing(false), autoclose(false), crc(0), headersize(0)
|
|
{
|
|
zfile.zalloc = NULL;
|
|
zfile.zfree = NULL;
|
|
zfile.opaque = NULL;
|
|
zfile.next_in = zfile.next_out = NULL;
|
|
zfile.avail_in = zfile.avail_out = 0;
|
|
}
|
|
|
|
~gzstream()
|
|
{
|
|
close();
|
|
}
|
|
|
|
void writeheader()
|
|
{
|
|
uchar header[] = { MAGIC1, MAGIC2, Z_DEFLATED, 0, 0, 0, 0, 0, 0, OS_UNIX };
|
|
file->write(header, sizeof(header));
|
|
}
|
|
|
|
void readbuf(size_t size = BUFSIZE)
|
|
{
|
|
if(!zfile.avail_in) zfile.next_in = (Bytef *)buf;
|
|
size = min(size, size_t(&buf[BUFSIZE] - &zfile.next_in[zfile.avail_in]));
|
|
size_t n = file->read(zfile.next_in + zfile.avail_in, size);
|
|
if(n > 0) zfile.avail_in += n;
|
|
}
|
|
|
|
uchar readbyte(size_t size = BUFSIZE)
|
|
{
|
|
if(!zfile.avail_in) readbuf(size);
|
|
if(!zfile.avail_in) return 0;
|
|
zfile.avail_in--;
|
|
return *(uchar *)zfile.next_in++;
|
|
}
|
|
|
|
void skipbytes(size_t n)
|
|
{
|
|
while(n > 0 && zfile.avail_in > 0)
|
|
{
|
|
size_t skipped = min(n, size_t(zfile.avail_in));
|
|
zfile.avail_in -= skipped;
|
|
zfile.next_in += skipped;
|
|
n -= skipped;
|
|
}
|
|
if(n <= 0) return;
|
|
file->seek(n, SEEK_CUR);
|
|
}
|
|
|
|
bool checkheader()
|
|
{
|
|
readbuf(10);
|
|
if(readbyte() != MAGIC1 || readbyte() != MAGIC2 || readbyte() != Z_DEFLATED) return false;
|
|
uchar flags = readbyte();
|
|
if(flags & F_RESERVED) return false;
|
|
skipbytes(6);
|
|
if(flags & F_EXTRA)
|
|
{
|
|
size_t len = readbyte(512);
|
|
len |= size_t(readbyte(512))<<8;
|
|
skipbytes(len);
|
|
}
|
|
if(flags & F_NAME) while(readbyte(512));
|
|
if(flags & F_COMMENT) while(readbyte(512));
|
|
if(flags & F_CRC) skipbytes(2);
|
|
headersize = size_t(file->tell() - zfile.avail_in);
|
|
return zfile.avail_in > 0 || !file->end();
|
|
}
|
|
|
|
bool open(stream *f, const char *mode, bool needclose, int level)
|
|
{
|
|
if(file) return false;
|
|
for(; *mode; mode++)
|
|
{
|
|
if(*mode=='r') { reading = true; break; }
|
|
else if(*mode=='w') { writing = true; break; }
|
|
}
|
|
if(reading)
|
|
{
|
|
if(inflateInit2(&zfile, -MAX_WBITS) != Z_OK) reading = false;
|
|
}
|
|
else if(writing && deflateInit2(&zfile, level, Z_DEFLATED, -MAX_WBITS, min(MAX_MEM_LEVEL, 8), Z_DEFAULT_STRATEGY) != Z_OK) writing = false;
|
|
if(!reading && !writing) return false;
|
|
|
|
file = f;
|
|
crc = crc32(0, NULL, 0);
|
|
buf = new uchar[BUFSIZE];
|
|
|
|
if(reading)
|
|
{
|
|
if(!checkheader()) { stopreading(); return false; }
|
|
}
|
|
else if(writing) writeheader();
|
|
|
|
autoclose = needclose;
|
|
return true;
|
|
}
|
|
|
|
uint getcrc() { return crc; }
|
|
|
|
void finishreading()
|
|
{
|
|
if(!reading) return;
|
|
#ifndef STANDALONE
|
|
if(dbggz)
|
|
{
|
|
uint checkcrc = 0, checksize = 0;
|
|
loopi(4) checkcrc |= uint(readbyte()) << (i*8);
|
|
loopi(4) checksize |= uint(readbyte()) << (i*8);
|
|
if(checkcrc != crc)
|
|
conoutf(CON_DEBUG, "gzip crc check failed: read %X, calculated %X", checkcrc, crc);
|
|
if(checksize != zfile.total_out)
|
|
conoutf(CON_DEBUG, "gzip size check failed: read %u, calculated %u", checksize, uint(zfile.total_out));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void stopreading()
|
|
{
|
|
if(!reading) return;
|
|
inflateEnd(&zfile);
|
|
reading = false;
|
|
}
|
|
|
|
void finishwriting()
|
|
{
|
|
if(!writing) return;
|
|
for(;;)
|
|
{
|
|
int err = zfile.avail_out > 0 ? deflate(&zfile, Z_FINISH) : Z_OK;
|
|
if(err != Z_OK && err != Z_STREAM_END) break;
|
|
flushbuf();
|
|
if(err == Z_STREAM_END) break;
|
|
}
|
|
uchar trailer[8] =
|
|
{
|
|
uchar(crc&0xFF), uchar((crc>>8)&0xFF), uchar((crc>>16)&0xFF), uchar((crc>>24)&0xFF),
|
|
uchar(zfile.total_in&0xFF), uchar((zfile.total_in>>8)&0xFF), uchar((zfile.total_in>>16)&0xFF), uchar((zfile.total_in>>24)&0xFF)
|
|
};
|
|
file->write(trailer, sizeof(trailer));
|
|
}
|
|
|
|
void stopwriting()
|
|
{
|
|
if(!writing) return;
|
|
deflateEnd(&zfile);
|
|
writing = false;
|
|
}
|
|
|
|
void close()
|
|
{
|
|
if(reading) finishreading();
|
|
stopreading();
|
|
if(writing) finishwriting();
|
|
stopwriting();
|
|
DELETEA(buf);
|
|
if(autoclose) DELETEP(file);
|
|
}
|
|
|
|
bool end() { return !reading && !writing; }
|
|
offset tell() { return reading ? zfile.total_out : (writing ? zfile.total_in : offset(-1)); }
|
|
offset rawtell() { return file ? file->tell() : offset(-1); }
|
|
|
|
offset size()
|
|
{
|
|
if(!file) return -1;
|
|
offset pos = tell();
|
|
if(!file->seek(-4, SEEK_END)) return -1;
|
|
uint isize = file->getlil<uint>();
|
|
return file->seek(pos, SEEK_SET) ? isize : offset(-1);
|
|
}
|
|
|
|
offset rawsize() { return file ? file->size() : offset(-1); }
|
|
|
|
bool seek(offset pos, int whence)
|
|
{
|
|
if(writing || !reading) return false;
|
|
|
|
if(whence == SEEK_END)
|
|
{
|
|
uchar skip[512];
|
|
while(read(skip, sizeof(skip)) == sizeof(skip));
|
|
return !pos;
|
|
}
|
|
else if(whence == SEEK_CUR) pos += zfile.total_out;
|
|
|
|
if(pos >= (offset)zfile.total_out) pos -= zfile.total_out;
|
|
else if(pos < 0 || !file->seek(headersize, SEEK_SET)) return false;
|
|
else
|
|
{
|
|
if(zfile.next_in && zfile.total_in <= uint(zfile.next_in - buf))
|
|
{
|
|
zfile.avail_in += zfile.total_in;
|
|
zfile.next_in -= zfile.total_in;
|
|
}
|
|
else
|
|
{
|
|
zfile.avail_in = 0;
|
|
zfile.next_in = NULL;
|
|
}
|
|
inflateReset(&zfile);
|
|
crc = crc32(0, NULL, 0);
|
|
}
|
|
|
|
uchar skip[512];
|
|
while(pos > 0)
|
|
{
|
|
size_t skipped = (size_t)min(pos, (offset)sizeof(skip));
|
|
if(read(skip, skipped) != skipped) { stopreading(); return false; }
|
|
pos -= skipped;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
size_t read(void *buf, size_t len)
|
|
{
|
|
if(!reading || !buf || !len) return 0;
|
|
zfile.next_out = (Bytef *)buf;
|
|
zfile.avail_out = len;
|
|
while(zfile.avail_out > 0)
|
|
{
|
|
if(!zfile.avail_in)
|
|
{
|
|
readbuf(BUFSIZE);
|
|
if(!zfile.avail_in) { stopreading(); break; }
|
|
}
|
|
int err = inflate(&zfile, Z_NO_FLUSH);
|
|
if(err == Z_STREAM_END) { crc = crc32(crc, (Bytef *)buf, len - zfile.avail_out); finishreading(); stopreading(); return len - zfile.avail_out; }
|
|
else if(err != Z_OK) { stopreading(); break; }
|
|
}
|
|
crc = crc32(crc, (Bytef *)buf, len - zfile.avail_out);
|
|
return len - zfile.avail_out;
|
|
}
|
|
|
|
bool flushbuf(bool full = false)
|
|
{
|
|
if(full) deflate(&zfile, Z_SYNC_FLUSH);
|
|
if(zfile.next_out && zfile.avail_out < BUFSIZE)
|
|
{
|
|
if(file->write(buf, BUFSIZE - zfile.avail_out) != BUFSIZE - zfile.avail_out || (full && !file->flush()))
|
|
return false;
|
|
}
|
|
zfile.next_out = buf;
|
|
zfile.avail_out = BUFSIZE;
|
|
return true;
|
|
}
|
|
|
|
bool flush() { return flushbuf(true); }
|
|
|
|
size_t write(const void *buf, size_t len)
|
|
{
|
|
if(!writing || !buf || !len) return 0;
|
|
zfile.next_in = (Bytef *)buf;
|
|
zfile.avail_in = len;
|
|
while(zfile.avail_in > 0)
|
|
{
|
|
if(!zfile.avail_out && !flushbuf()) { stopwriting(); break; }
|
|
int err = deflate(&zfile, Z_NO_FLUSH);
|
|
if(err != Z_OK) { stopwriting(); break; }
|
|
}
|
|
crc = crc32(crc, (Bytef *)buf, len - zfile.avail_in);
|
|
return len - zfile.avail_in;
|
|
}
|
|
};
|
|
|
|
struct utf8stream : stream
|
|
{
|
|
enum
|
|
{
|
|
BUFSIZE = 4096
|
|
};
|
|
stream *file;
|
|
offset pos;
|
|
size_t bufread, bufcarry, buflen;
|
|
bool reading, writing, autoclose;
|
|
uchar buf[BUFSIZE];
|
|
|
|
utf8stream() : file(NULL), pos(0), bufread(0), bufcarry(0), buflen(0), reading(false), writing(false), autoclose(false)
|
|
{
|
|
}
|
|
|
|
~utf8stream()
|
|
{
|
|
close();
|
|
}
|
|
|
|
bool readbuf(size_t size = BUFSIZE)
|
|
{
|
|
if(bufread >= bufcarry) { if(bufcarry > 0 && bufcarry < buflen) memmove(buf, &buf[bufcarry], buflen - bufcarry); buflen -= bufcarry; bufread = bufcarry = 0; }
|
|
size_t n = file->read(&buf[buflen], min(size, BUFSIZE - buflen));
|
|
if(n <= 0) return false;
|
|
buflen += n;
|
|
size_t carry = bufcarry;
|
|
bufcarry += decodeutf8(&buf[bufcarry], BUFSIZE-bufcarry, &buf[bufcarry], buflen-bufcarry, &carry);
|
|
if(carry > bufcarry && carry < buflen) { memmove(&buf[bufcarry], &buf[carry], buflen - carry); buflen -= carry - bufcarry; }
|
|
return true;
|
|
}
|
|
|
|
bool checkheader()
|
|
{
|
|
size_t n = file->read(buf, 3);
|
|
if(n == 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) return true;
|
|
buflen = n;
|
|
return false;
|
|
}
|
|
|
|
bool open(stream *f, const char *mode, bool needclose)
|
|
{
|
|
if(file) return false;
|
|
for(; *mode; mode++)
|
|
{
|
|
if(*mode=='r') { reading = true; break; }
|
|
else if(*mode=='w') { writing = true; break; }
|
|
}
|
|
if(!reading && !writing) return false;
|
|
|
|
file = f;
|
|
|
|
if(reading) checkheader();
|
|
|
|
autoclose = needclose;
|
|
return true;
|
|
}
|
|
|
|
void finishreading()
|
|
{
|
|
if(!reading) return;
|
|
}
|
|
|
|
void stopreading()
|
|
{
|
|
if(!reading) return;
|
|
reading = false;
|
|
}
|
|
|
|
void stopwriting()
|
|
{
|
|
if(!writing) return;
|
|
writing = false;
|
|
}
|
|
|
|
void close()
|
|
{
|
|
stopreading();
|
|
stopwriting();
|
|
if(autoclose) DELETEP(file);
|
|
}
|
|
|
|
bool end() { return !reading && !writing; }
|
|
offset tell() { return reading || writing ? pos : offset(-1); }
|
|
|
|
bool seek(offset off, int whence)
|
|
{
|
|
if(writing || !reading) return false;
|
|
|
|
if(whence == SEEK_END)
|
|
{
|
|
uchar skip[512];
|
|
while(read(skip, sizeof(skip)) == sizeof(skip));
|
|
return !off;
|
|
}
|
|
else if(whence == SEEK_CUR) off += pos;
|
|
|
|
if(off >= pos) off -= pos;
|
|
else if(off < 0 || !file->seek(0, SEEK_SET)) return false;
|
|
else
|
|
{
|
|
bufread = bufcarry = buflen = 0;
|
|
pos = 0;
|
|
checkheader();
|
|
}
|
|
|
|
uchar skip[512];
|
|
while(off > 0)
|
|
{
|
|
size_t skipped = (size_t)min(off, (offset)sizeof(skip));
|
|
if(read(skip, skipped) != skipped) { stopreading(); return false; }
|
|
off -= skipped;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
size_t read(void *dst, size_t len)
|
|
{
|
|
if(!reading || !dst || !len) return 0;
|
|
size_t next = 0;
|
|
while(next < len)
|
|
{
|
|
if(bufread >= bufcarry) { if(readbuf(BUFSIZE)) continue; stopreading(); break; }
|
|
size_t n = min(len - next, bufcarry - bufread);
|
|
memcpy(&((uchar *)dst)[next], &buf[bufread], n);
|
|
next += n;
|
|
bufread += n;
|
|
}
|
|
pos += next;
|
|
return next;
|
|
}
|
|
|
|
bool getline(char *dst, size_t len)
|
|
{
|
|
if(!reading || !dst || !len) return false;
|
|
--len;
|
|
size_t next = 0;
|
|
while(next < len)
|
|
{
|
|
if(bufread >= bufcarry) { if(readbuf(BUFSIZE)) continue; stopreading(); if(!next) return false; break; }
|
|
size_t n = min(len - next, bufcarry - bufread);
|
|
uchar *endline = (uchar *)memchr(&buf[bufread], '\n', n);
|
|
if(endline) { n = endline+1 - &buf[bufread]; len = next + n; }
|
|
memcpy(&((uchar *)dst)[next], &buf[bufread], n);
|
|
next += n;
|
|
bufread += n;
|
|
}
|
|
dst[next] = '\0';
|
|
pos += next;
|
|
return true;
|
|
}
|
|
|
|
size_t write(const void *src, size_t len)
|
|
{
|
|
if(!writing || !src || !len) return 0;
|
|
uchar dst[512];
|
|
size_t next = 0;
|
|
while(next < len)
|
|
{
|
|
size_t carry = 0, n = encodeutf8(dst, sizeof(dst), &((uchar *)src)[next], len - next, &carry);
|
|
if(n > 0 && file->write(dst, n) != n) { stopwriting(); break; }
|
|
next += carry;
|
|
}
|
|
pos += next;
|
|
return next;
|
|
}
|
|
|
|
bool flush() { return file->flush(); }
|
|
};
|
|
|
|
stream *openrawfile(const char *filename, const char *mode)
|
|
{
|
|
const char *found = findfile(filename, mode);
|
|
if(!found) return NULL;
|
|
filestream *file = new filestream;
|
|
if(!file->open(found, mode)) { delete file; return NULL; }
|
|
return file;
|
|
}
|
|
|
|
stream *openfile(const char *filename, const char *mode)
|
|
{
|
|
#ifndef STANDALONE
|
|
stream *s = openzipfile(filename, mode);
|
|
if(s) return s;
|
|
#endif
|
|
return openrawfile(filename, mode);
|
|
}
|
|
|
|
stream *opentempfile(const char *name, const char *mode)
|
|
{
|
|
const char *found = findfile(name, mode);
|
|
filestream *file = new filestream;
|
|
if(!file->opentemp(found ? found : name, mode)) { delete file; return NULL; }
|
|
return file;
|
|
}
|
|
|
|
stream *opengzfile(const char *filename, const char *mode, stream *file, int level)
|
|
{
|
|
stream *source = file ? file : openfile(filename, mode);
|
|
if(!source) return NULL;
|
|
gzstream *gz = new gzstream;
|
|
if(!gz->open(source, mode, !file, level)) { if(!file) delete source; delete gz; return NULL; }
|
|
return gz;
|
|
}
|
|
|
|
stream *openutf8file(const char *filename, const char *mode, stream *file)
|
|
{
|
|
stream *source = file ? file : openfile(filename, mode);
|
|
if(!source) return NULL;
|
|
utf8stream *utf8 = new utf8stream;
|
|
if(!utf8->open(source, mode, !file)) { if(!file) delete source; delete utf8; return NULL; }
|
|
return utf8;
|
|
}
|
|
|
|
char *loadfile(const char *fn, size_t *size, bool utf8)
|
|
{
|
|
stream *f = openfile(fn, "rb");
|
|
if(!f) return NULL;
|
|
stream::offset fsize = f->size();
|
|
if(fsize <= 0) { delete f; return NULL; }
|
|
size_t len = fsize;
|
|
char *buf = new (false) char[len+1];
|
|
if(!buf) { delete f; return NULL; }
|
|
size_t offset = 0;
|
|
if(utf8 && len >= 3)
|
|
{
|
|
if(f->read(buf, 3) != 3) { delete f; delete[] buf; return NULL; }
|
|
if(((uchar *)buf)[0] == 0xEF && ((uchar *)buf)[1] == 0xBB && ((uchar *)buf)[2] == 0xBF) len -= 3;
|
|
else offset += 3;
|
|
}
|
|
size_t rlen = f->read(&buf[offset], len-offset);
|
|
delete f;
|
|
if(rlen != len-offset) { delete[] buf; return NULL; }
|
|
if(utf8) len = decodeutf8((uchar *)buf, len, (uchar *)buf, len);
|
|
buf[len] = '\0';
|
|
if(size!=NULL) *size = len;
|
|
return buf;
|
|
}
|
|
|