Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 1 | #include "FQName.h" |
| 2 | |
| 3 | #include <android-base/logging.h> |
| 4 | #include <regex> |
| 5 | |
| 6 | #define RE_COMPONENT "[a-zA-Z_][a-zA-Z_0-9]*" |
| 7 | #define RE_PATH RE_COMPONENT "([.]" RE_COMPONENT ")*" |
| 8 | #define RE_VERSION "@[0-9]+[.][0-9]+" |
| 9 | |
| 10 | static const std::regex kRE1("(" RE_PATH ")(" RE_VERSION ")?::(" RE_PATH ")"); |
| 11 | static const std::regex kRE2("(" RE_VERSION ")::(" RE_PATH ")"); |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 12 | static const std::regex kRE3("(" RE_PATH ")(" RE_VERSION ")"); |
| 13 | static const std::regex kRE4(RE_PATH); |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 14 | |
| 15 | namespace android { |
| 16 | |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 17 | FQName::FQName() |
| 18 | : mValid(false) { |
| 19 | } |
| 20 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 21 | FQName::FQName(const std::string &s) |
| 22 | : mValid(false) { |
| 23 | setTo(s); |
| 24 | } |
| 25 | |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 26 | FQName::FQName( |
| 27 | const std::string &package, |
| 28 | const std::string &version, |
| 29 | const std::string &name) |
| 30 | : mValid(true), |
| 31 | mPackage(package), |
| 32 | mVersion(version), |
| 33 | mName(name) { |
| 34 | } |
| 35 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 36 | bool FQName::isValid() const { |
| 37 | return mValid; |
| 38 | } |
| 39 | |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 40 | bool FQName::isFullyQualified() const { |
| 41 | return !mPackage.empty() && !mVersion.empty() && !mName.empty(); |
| 42 | } |
| 43 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 44 | bool FQName::setTo(const std::string &s) { |
| 45 | mPackage.clear(); |
| 46 | mVersion.clear(); |
| 47 | mName.clear(); |
| 48 | |
| 49 | mValid = true; |
| 50 | |
| 51 | std::smatch match; |
| 52 | if (std::regex_match(s, match, kRE1)) { |
| 53 | CHECK_EQ(match.size(), 6u); |
| 54 | |
| 55 | mPackage = match.str(1); |
| 56 | mVersion = match.str(3); |
| 57 | mName = match.str(4); |
| 58 | } else if (std::regex_match(s, match, kRE2)) { |
| 59 | CHECK_EQ(match.size(), 4u); |
| 60 | |
| 61 | mVersion = match.str(1); |
| 62 | mName = match.str(2); |
| 63 | } else if (std::regex_match(s, match, kRE3)) { |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 64 | CHECK_EQ(match.size(), 4u); |
| 65 | |
| 66 | mPackage = match.str(1); |
| 67 | mVersion = match.str(3); |
| 68 | } else if (std::regex_match(s, match, kRE4)) { |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 69 | mName = match.str(0); |
| 70 | } else { |
| 71 | mValid = false; |
| 72 | } |
| 73 | |
| 74 | return isValid(); |
| 75 | } |
| 76 | |
| 77 | std::string FQName::package() const { |
| 78 | return mPackage; |
| 79 | } |
| 80 | |
| 81 | std::string FQName::version() const { |
| 82 | return mVersion; |
| 83 | } |
| 84 | |
| 85 | std::string FQName::name() const { |
| 86 | return mName; |
| 87 | } |
| 88 | |
| 89 | void FQName::applyDefaults( |
| 90 | const std::string &defaultPackage, |
| 91 | const std::string &defaultVersion) { |
| 92 | if (mPackage.empty()) { |
| 93 | mPackage = defaultPackage; |
| 94 | } |
| 95 | |
| 96 | if (mVersion.empty()) { |
| 97 | mVersion = defaultVersion; |
| 98 | } |
| 99 | } |
| 100 | |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 101 | std::string FQName::string() const { |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 102 | CHECK(mValid); |
| 103 | |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 104 | std::string out; |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 105 | out.append(mPackage); |
| 106 | out.append(mVersion); |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 107 | if (!mName.empty()) { |
| 108 | if (!mPackage.empty() || !mVersion.empty()) { |
| 109 | out.append("::"); |
| 110 | } |
| 111 | out.append(mName); |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 112 | } |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 113 | |
| 114 | return out; |
| 115 | } |
| 116 | |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 117 | void FQName::print() const { |
| 118 | if (!mValid) { |
| 119 | LOG(INFO) << "INVALID"; |
| 120 | return; |
| 121 | } |
| 122 | |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 123 | LOG(INFO) << string(); |
| 124 | } |
| 125 | |
| 126 | bool FQName::operator<(const FQName &other) const { |
| 127 | return string() < other.string(); |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 128 | } |
| 129 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 130 | bool FQName::operator==(const FQName &other) const { |
| 131 | return string() == other.string(); |
| 132 | } |
| 133 | |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 134 | static void SplitString( |
| 135 | const std::string &s, char c, std::vector<std::string> *components) { |
| 136 | components->clear(); |
| 137 | |
| 138 | size_t startPos = 0; |
| 139 | size_t matchPos; |
| 140 | while ((matchPos = s.find(c, startPos)) != std::string::npos) { |
| 141 | components->push_back(s.substr(startPos, matchPos - startPos)); |
| 142 | startPos = matchPos + 1; |
| 143 | } |
| 144 | |
| 145 | if (startPos + 1 < s.length()) { |
| 146 | components->push_back(s.substr(startPos)); |
| 147 | } |
| 148 | } |
| 149 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 150 | // static |
| 151 | std::string FQName::JoinStrings( |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 152 | const std::vector<std::string> &components, |
| 153 | const std::string &separator) { |
| 154 | std::string out; |
| 155 | bool first = true; |
| 156 | for (const auto &component : components) { |
| 157 | if (!first) { |
| 158 | out += separator; |
| 159 | } |
| 160 | out += component; |
| 161 | |
| 162 | first = false; |
| 163 | } |
| 164 | |
| 165 | return out; |
| 166 | } |
| 167 | |
| 168 | std::string FQName::cppNamespace() const { |
| 169 | std::vector<std::string> components; |
| 170 | getPackageAndVersionComponents(&components, true /* cpp_compatible */); |
| 171 | |
| 172 | std::string out = "::"; |
| 173 | out += JoinStrings(components, "::"); |
| 174 | |
| 175 | return out; |
| 176 | } |
| 177 | |
| 178 | std::string FQName::cppName() const { |
| 179 | std::string out = cppNamespace(); |
| 180 | |
| 181 | std::vector<std::string> components; |
| 182 | SplitString(name(), '.', &components); |
| 183 | out += "::"; |
| 184 | out += JoinStrings(components, "::"); |
| 185 | |
| 186 | return out; |
| 187 | } |
| 188 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 189 | std::string FQName::javaPackage() const { |
| 190 | std::vector<std::string> components; |
| 191 | getPackageAndVersionComponents(&components, true /* cpp_compatible */); |
| 192 | |
| 193 | return JoinStrings(components, "."); |
| 194 | } |
| 195 | |
| 196 | std::string FQName::javaName() const { |
| 197 | return javaPackage() + "." + name(); |
| 198 | } |
| 199 | |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 200 | void FQName::getPackageComponents(std::vector<std::string> *components) const { |
| 201 | SplitString(package(), '.', components); |
| 202 | } |
| 203 | |
| 204 | void FQName::getPackageAndVersionComponents( |
| 205 | std::vector<std::string> *components, |
| 206 | bool cpp_compatible) const { |
| 207 | getPackageComponents(components); |
| 208 | |
| 209 | const std::string packageVersion = version(); |
| 210 | CHECK(packageVersion[0] == '@'); |
| 211 | |
| 212 | if (!cpp_compatible) { |
| 213 | components->push_back(packageVersion.substr(1)); |
| 214 | return; |
| 215 | } |
| 216 | |
| 217 | const size_t dotPos = packageVersion.find('.'); |
| 218 | |
| 219 | // Form "Vmajor_minor". |
| 220 | std::string versionString = "V"; |
| 221 | versionString.append(packageVersion.substr(1, dotPos - 1)); |
| 222 | versionString.append("_"); |
| 223 | versionString.append(packageVersion.substr(dotPos + 1)); |
| 224 | |
| 225 | components->push_back(versionString); |
| 226 | } |
| 227 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 228 | } // namespace android |
| 229 | |