Dianne Hackborn | e6b6803 | 2011-10-13 16:26:02 -0700 | [diff] [blame] | 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 | } |