source/androidtools.cpp

   1 #include <cstdlib>
   2 #include <msp/fs/dir.h>
   3 #include <msp/fs/stat.h>
   4 #include <msp/strings/format.h>
   5 #include <msp/strings/lexicalcast.h>
   6 #include <msp/strings/utils.h>
   7 #include "androidarchiver.h"
   8 #include "androidassetpackagingtool.h"
   9 #include "androidcompiler.h"
  10 #include "androidlinker.h"
  11 #include "androidmanifestgenerator.h"
  12 #include "androidtools.h"
  13 #include "apkbuilder.h"
  14 #include "architecture.h"
  15 #include "builder.h"
  16 #include "jarsigner.h"
  17
  18 using namespace std;
  19 using namespace Msp;
  20
  21 // TODO Mark problems somewhere instead of throwing exceptions
  22
  23 unsigned parse_version(const std::string &version_str)
  24 {
  25         vector<string> version_parts = split(version_str, '.');
  26         unsigned version = lexical_cast<unsigned>(version_parts[0])<<16;
  27         if(version_parts.size()>1)
  28                 version += lexical_cast<unsigned>(version_parts[1])<<8;
  29         if(version_parts.size()>2)
  30                 version += lexical_cast<unsigned>(version_parts[2]);
  31         return version;
  32 }
  33
  34
  35 AndroidDevKit::AndroidDevKit(Builder &b, const string &type, const FS::Path &default_path):
  36         builder(b)
  37 {
  38         string var = format("ANDROID_%s_ROOT", type);
  39         if(const char *value = getenv(var.c_str()))
  40                 root = value;
  41         else if(!default_path.empty() && FS::exists(default_path))
  42                 root = default_path;
  43         else
  44         {
  45                 builder.get_logger().log("problems", format("Android %s not found", type));
  46                 return;
  47         }
  48
  49         FS::Path platforms_dir = root/"platforms";
  50         if(!FS::exists(platforms_dir))
  51                 return;
  52
  53         builder.get_logger().log("files", format("Traversing %s", platforms_dir.str()));
  54         list<string> platforms = list_filtered(platforms_dir, "^android-[1-9][0-9]*$");
  55
  56         for(list<string>::const_iterator i=platforms.begin(); i!=platforms.end(); ++i)
  57                 supported_api_levels.insert(lexical_cast<unsigned>(i->substr(8)));
  58 }
  59
  60 void AndroidDevKit::select_api_level(unsigned api)
  61 {
  62         if(!supported_api_levels.count(api))
  63                 throw invalid_argument("AndroidDevKit::select_api_level");
  64
  65         init_api_level(api);
  66 }
  67
  68
  69 AndroidSdk::AndroidSdk(Builder &b):
  70         AndroidDevKit(b, "SDK")
  71 {
  72         find_build_tools_dir();
  73 }
  74
  75 void AndroidSdk::find_build_tools_dir()
  76 {
  77         FS::Path bt_dir = root/"build-tools";
  78         if(!FS::exists(bt_dir))
  79         {
  80                 builder.get_logger().log("problems", "Android build-tools not found");
  81                 return;
  82         }
  83
  84         builder.get_logger().log("files", format("Traversing %s", bt_dir.str()));
  85         list<string> tool_versions = list_files(bt_dir);
  86
  87         string use_tools;
  88         unsigned latest_version = 0;
  89         for(list<string>::const_iterator i=tool_versions.begin(); i!=tool_versions.end(); ++i)
  90         {
  91                 unsigned version = parse_version(*i);
  92                 if(version>latest_version)
  93                 {
  94                         use_tools = *i;
  95                         latest_version = version;
  96                 }
  97         }
  98
  99         if(use_tools.empty())
 100         {
 101                 builder.get_logger().log("problems", "Android build-tools not found");
 102                 return;
 103         }
 104
 105         build_tools_dir = bt_dir/use_tools;
 106         builder.get_logger().log("tools", format("Android build-tools found in %s", build_tools_dir.str()));
 107 }
 108
 109 void AndroidSdk::init_api_level(unsigned api)
 110 {
 111         platform_jar = root/"platforms"/format("android-%d", api)/"android.jar";
 112 }
 113
 114
 115 AndroidNdk::AndroidNdk(Builder &b, const Architecture &a, const AndroidSdk &sdk):
 116         AndroidDevKit(b, "NDK", create_default_path(sdk)),
 117         architecture(a)
 118 {
 119         if(!root.empty())
 120         {
 121                 FS::Path csr = root/"sysroot";
 122                 if(FS::exists(csr))
 123                 {
 124                         common_sysroot = csr;
 125                         builder.get_logger().log("tools", format("Android NDK common sysroot is %s", common_sysroot));
 126                 }
 127         }
 128
 129         find_toolchain_dir();
 130 }
 131
 132 FS::Path AndroidNdk::create_default_path(const AndroidSdk &sdk)
 133 {
 134         if(sdk.get_root_dir().empty())
 135                 return FS::Path();
 136         return sdk.get_root_dir()/"ndk-bundle";
 137 }
 138
 139 void AndroidNdk::find_toolchain_dir()
 140 {
 141         if(root.empty())
 142                 return;
 143
 144         FS::Path toolchains_dir = root/"toolchains";
 145         if(!FS::exists(toolchains_dir))
 146         {
 147                 builder.get_logger().log("problems", "Android NDK toolchains not found");
 148                 return;
 149         }
 150
 151         builder.get_logger().log("files", format("Traversing %s", toolchains_dir.str()));
 152         string prefix = architecture.get_cross_prefix()+"-";
 153         list<string> toolchains = list_filtered(toolchains_dir, "^"+prefix);
 154
 155         string use_toolchain;
 156         unsigned latest_version = 0;
 157         for(list<string>::const_iterator i=toolchains.begin(); i!=toolchains.end(); ++i)
 158         {
 159                 string version_str = i->substr(prefix.size());
 160                 string compiler = "gcc";
 161                 if(!isdigit(version_str[0]))
 162                 {
 163                         unsigned j;
 164                         for(j=1; (j<version_str.size() && !isdigit(version_str[j])); ++j) ;
 165                         compiler = version_str.substr(0, j);
 166                         version_str = version_str.substr(j);
 167                 }
 168
 169                 if(compiler!="gcc")
 170                         continue;
 171
 172                 unsigned version = parse_version(version_str);
 173                 if(version>latest_version)
 174                 {
 175                         use_toolchain = *i;
 176                         latest_version = version;
 177                 }
 178         }
 179
 180         if(use_toolchain.empty())
 181         {
 182                 builder.get_logger().log("problems", "No applicable Android NDK toolchains found");
 183                 return;
 184         }
 185
 186         const Architecture &native_arch = builder.get_native_arch();
 187
 188         FS::Path tc_archs_dir = toolchains_dir/use_toolchain/"prebuilt";
 189         builder.get_logger().log("files", format("Traversing %s", tc_archs_dir.str()));
 190         string use_arch = native_arch.best_match(list_files(tc_archs_dir));
 191
 192         if(use_arch.empty())
 193         {
 194                 builder.get_logger().log("problems", "No applicable Android NDK toolchains found");
 195                 return;
 196         }
 197
 198         bin_dir = toolchains_dir/use_toolchain/"prebuilt"/use_arch/"bin";
 199         builder.get_logger().log("tools", format("Android NDK toolchain binaries found in %s", bin_dir.str()));
 200 }
 201
 202 void AndroidNdk::init_api_level(unsigned api)
 203 {
 204         FS::Path platform_archs_dir = root/"platforms"/format("android-%d", api);
 205         builder.get_logger().log("files", format("Traversing %s", platform_archs_dir.str()));
 206         list<string> platform_archs = list_filtered(platform_archs_dir, "^arch-");
 207         for(list<string>::iterator i=platform_archs.begin(); i!=platform_archs.end(); ++i)
 208                 i->erase(0, 5);
 209         string use_arch = architecture.best_match(platform_archs);
 210
 211         if(use_arch.empty())
 212         {
 213                 builder.get_logger().log("problems", "No matching Android NDK platform found");
 214                 return;
 215         }
 216
 217         platform_sysroot = platform_archs_dir/("arch-"+use_arch);
 218         builder.get_logger().log("tools", format("Android NDK platform sysroot is %s", platform_sysroot));
 219 }
 220
 221
 222 AndroidTools::AndroidTools(Builder &builder, const Architecture &arch):
 223         sdk(builder),
 224         ndk(builder, arch, sdk)
 225 {
 226         const set<unsigned> &sdk_api_levels = sdk.get_supported_api_levels();
 227         const set<unsigned> &ndk_api_levels = ndk.get_supported_api_levels();
 228         unsigned highest_common = 0;
 229         for(set<unsigned>::const_reverse_iterator i=sdk_api_levels.rbegin(); (!highest_common && i!=sdk_api_levels.rend()); ++i)
 230                 if(ndk_api_levels.count(*i))
 231                         highest_common = *i;
 232
 233         if(highest_common)
 234         {
 235                 sdk.select_api_level(highest_common);
 236                 ndk.select_api_level(highest_common);
 237         }
 238         else
 239                 builder.get_logger().log("problems", "No usable Android platforms found");
 240
 241         add_tool(new AndroidCompiler(builder, arch, "CC", ndk));
 242         add_tool(new AndroidCompiler(builder, arch, "CXX", ndk));
 243         add_tool(new AndroidLinker(builder, arch, ndk));
 244         add_tool(new AndroidArchiver(builder, arch, ndk));
 245         add_tool(new AndroidManifestGenerator(builder));
 246         add_tool(new AndroidAssetPackagingTool(builder, sdk));
 247         add_tool(new ApkBuilder(builder));
 248         add_tool(new JarSigner(builder));
 249 }