1 // 2 // Copyright 2011 The Android Open Source Project 3 // 4 // Build resource files from raw assets. 5 // 6 7 #include "ResourceFilter.h" 8 9 status_t 10 ResourceFilter::parse(const char* arg) 11 { 12 if (arg == NULL) { 13 return 0; 14 } 15 16 const char* p = arg; 17 const char* q; 18 19 while (true) { 20 q = strchr(p, ','); 21 if (q == NULL) { 22 q = p + strlen(p); 23 } 24 25 String8 part(p, q-p); 26 27 if (part == "zz_ZZ") { 28 mContainsPseudo = true; 29 } 30 int axis; 31 uint32_t value; 32 if (AaptGroupEntry::parseNamePart(part, &axis, &value)) { 33 fprintf(stderr, "Invalid configuration: %s\n", arg); 34 fprintf(stderr, " "); 35 for (int i=0; i<p-arg; i++) { 36 fprintf(stderr, " "); 37 } 38 for (int i=0; i<q-p; i++) { 39 fprintf(stderr, "^"); 40 } 41 fprintf(stderr, "\n"); 42 return 1; 43 } 44 45 ssize_t index = mData.indexOfKey(axis); 46 if (index < 0) { 47 mData.add(axis, SortedVector<uint32_t>()); 48 } 49 SortedVector<uint32_t>& sv = mData.editValueFor(axis); 50 sv.add(value); 51 // if it's a locale with a region, also match an unmodified locale of the 52 // same language 53 if (axis == AXIS_LANGUAGE) { 54 if (value & 0xffff0000) { 55 sv.add(value & 0x0000ffff); 56 } 57 } 58 p = q; 59 if (!*p) break; 60 p++; 61 } 62 63 return NO_ERROR; 64 } 65 66 bool 67 ResourceFilter::isEmpty() const 68 { 69 return mData.size() == 0; 70 } 71 72 bool 73 ResourceFilter::match(int axis, uint32_t value) const 74 { 75 if (value == 0) { 76 // they didn't specify anything so take everything 77 return true; 78 } 79 ssize_t index = mData.indexOfKey(axis); 80 if (index < 0) { 81 // we didn't request anything on this axis so take everything 82 return true; 83 } 84 const SortedVector<uint32_t>& sv = mData.valueAt(index); 85 return sv.indexOf(value) >= 0; 86 } 87 88 bool 89 ResourceFilter::match(int axis, const ResTable_config& config) const 90 { 91 return match(axis, AaptGroupEntry::getConfigValueForAxis(config, axis)); 92 } 93 94 bool 95 ResourceFilter::match(const ResTable_config& config) const 96 { 97 for (int i=AXIS_START; i<=AXIS_END; i++) { 98 if (!match(i, AaptGroupEntry::getConfigValueForAxis(config, i))) { 99 return false; 100 } 101 } 102 return true; 103 } 104 105 const SortedVector<uint32_t>* ResourceFilter::configsForAxis(int axis) const 106 { 107 ssize_t index = mData.indexOfKey(axis); 108 if (index < 0) { 109 return NULL; 110 } 111 return &mData.valueAt(index); 112 } 113
