source/androidtools.cpp

   1 #include <cstdlib>
   2 #include <msp/fs/dir.h>
   3 #include <msp/strings/format.h>
   4 #include <msp/strings/lexicalcast.h>
   5 #include <msp/strings/utils.h>
   6 #include "androidassetpackagingtool.h"
   7 #include "androidccompiler.h"
   8 #include "androidcxxcompiler.h"
   9 #include "androidlinker.h"
  10 #include "androidmanifestgenerator.h"
  11 #include "androidtools.h"
  12 #include "apkbuilder.h"
  13 #include "architecture.h"
  14 #include "builder.h"
  15 #include "jarsigner.h"
  16
  17 using namespace std;
  18 using namespace Msp;
  19
  20 // TODO Mark problems somewhere instead of throwing exceptions
  21
  22 unsigned parse_version(const std::string &version_str)
  23 {
  24         vector<string> version_parts = split(version_str, '.');
  25         unsigned version = lexical_cast<unsigned>(version_parts[0])<<16;
  26         if(version_parts.size()>1)
  27                 version += lexical_cast<unsigned>(version_parts[1])<<8;
  28         if(version_parts.size()>2)
  29                 version += lexical_cast<unsigned>(version_parts[2]);
  30         return version;
  31 }
  32
  33
  34 AndroidDevKit::AndroidDevKit(Builder &b, const string &type):
  35         builder(b)
  36 {
  37         string var = format("ANDROID_%s_ROOT", type);
  38         if(const char *value = getenv(var.c_str()))
  39                 root = value;
  40         else
  41                 throw runtime_error(var+" must be set");
  42
  43         FS::Path platforms_dir = root/"platforms";
  44         builder.get_logger().log("files", format("Traversing %s", platforms_dir.str()));
  45         list<string> platforms = list_filtered(platforms_dir, "^android-[1-9][0-9]*$");
  46
  47         for(list<string>::const_iterator i=platforms.begin(); i!=platforms.end(); ++i)
  48                 supported_api_levels.insert(lexical_cast<unsigned>(i->substr(8)));
  49 }
  50
  51 void AndroidDevKit::select_api_level(unsigned api)
  52 {
  53         if(!supported_api_levels.count(api))
  54                 throw invalid_argument("AndroidDevKit::select_api_level");
  55
  56         init_api_level(api);
  57 }
  58
  59
  60 AndroidSdk::AndroidSdk(Builder &b):
  61         AndroidDevKit(b, "SDK")
  62 {
  63         find_build_tools_dir();
  64 }
  65
  66 void AndroidSdk::find_build_tools_dir()
  67 {
  68         FS::Path bt_dir = root/"build-tools";
  69         builder.get_logger().log("files", format("Traversing %s", bt_dir.str()));
  70         list<string> tool_versions = list_files(bt_dir);
  71
  72         string use_tools;
  73         unsigned latest_version = 0;
  74         for(list<string>::const_iterator i=tool_versions.begin(); i!=tool_versions.end(); ++i)
  75         {
  76                 unsigned version = parse_version(*i);
  77                 if(version>latest_version)
  78                 {
  79                         use_tools = *i;
  80                         latest_version = version;
  81                 }
  82         }
  83
  84         if(use_tools.empty())
  85                 throw runtime_error("No build tools found");
  86
  87         build_tools_dir = bt_dir/use_tools;
  88         builder.get_logger().log("tools", format("Android build tools are in %s", build_tools_dir.str()));
  89 }
  90
  91 void AndroidSdk::init_api_level(unsigned api)
  92 {
  93         if(!supported_api_levels.count(api))
  94                 throw invalid_argument("AndroidSdk::select_api_level");
  95
  96         platform_jar = root/"platforms"/format("android-%d", api)/"android.jar";
  97 }
  98
  99
 100 AndroidNdk::AndroidNdk(Builder &b, const Architecture &a):
 101         AndroidDevKit(b, "NDK"),
 102         architecture(a)
 103 {
 104         find_toolchain_dir();
 105 }
 106
 107 void AndroidNdk::find_toolchain_dir()
 108 {
 109         FS::Path toolchains_dir = root/"toolchains";
 110         builder.get_logger().log("files", format("Traversing %s", toolchains_dir.str()));
 111         string prefix = architecture.get_cross_prefix()+"-";
 112         list<string> toolchains = list_filtered(toolchains_dir, "^"+prefix);
 113
 114         string use_toolchain;
 115         unsigned latest_version = 0;
 116         for(list<string>::const_iterator i=toolchains.begin(); i!=toolchains.end(); ++i)
 117         {
 118                 string version_str = i->substr(prefix.size());
 119                 string compiler = "gcc";
 120                 if(!isdigit(version_str[0]))
 121                 {
 122                         unsigned j;
 123                         for(j=1; (j<version_str.size() && !isdigit(version_str[j])); ++j) ;
 124                         compiler = version_str.substr(0, j);
 125                         version_str = version_str.substr(j);
 126                 }
 127
 128                 if(compiler!="gcc")
 129                         continue;
 130
 131                 unsigned version = parse_version(version_str);
 132                 if(version>latest_version)
 133                 {
 134                         use_toolchain = *i;
 135                         latest_version = version;
 136                 }
 137         }
 138
 139         if(use_toolchain.empty())
 140                 throw runtime_error("No applicable toolchains found");
 141
 142         const Architecture &native_arch = builder.get_native_arch();
 143
 144         FS::Path tc_archs_dir = toolchains_dir/use_toolchain/"prebuilt";
 145         builder.get_logger().log("files", format("Traversing %s", tc_archs_dir.str()));
 146         string use_arch = native_arch.best_match(list_files(tc_archs_dir));
 147
 148         if(use_arch.empty())
 149                 throw runtime_error("No matching toolchain found");
 150
 151         bin_dir = toolchains_dir/use_toolchain/"prebuilt"/use_arch/"bin";
 152         builder.get_logger().log("tools", format("Android toolchain binaries are in %s", bin_dir.str()));
 153 }
 154
 155 void AndroidNdk::init_api_level(unsigned api)
 156 {
 157         if(!supported_api_levels.count(api))
 158                 throw invalid_argument("AndroidSdk::select_api_level");
 159
 160         FS::Path platform_archs_dir = root/"platforms"/format("android-%d", api);
 161         builder.get_logger().log("files", format("Traversing %s", platform_archs_dir.str()));
 162         list<string> platform_archs = list_filtered(platform_archs_dir, "^arch-");
 163         for(list<string>::iterator i=platform_archs.begin(); i!=platform_archs.end(); ++i)
 164                 i->erase(0, 5);
 165         string use_arch = architecture.best_match(platform_archs);
 166
 167         if(use_arch.empty())
 168                 throw runtime_error("No matching platform found");
 169
 170         platform_sysroot = platform_archs_dir/("arch-"+use_arch);
 171         builder.get_logger().log("tools", format("Android NDK sysroot is %s", platform_sysroot.str()));
 172 }
 173
 174
 175 AndroidTools::AndroidTools(Builder &builder, const Architecture &arch):
 176         sdk(builder),
 177         ndk(builder, arch)
 178 {
 179         const set<unsigned> &sdk_api_levels = sdk.get_supported_api_levels();
 180         const set<unsigned> &ndk_api_levels = ndk.get_supported_api_levels();
 181         unsigned highest_common = 0;
 182         for(set<unsigned>::const_reverse_iterator i=sdk_api_levels.rbegin(); (!highest_common && i!=sdk_api_levels.rend()); ++i)
 183                 if(ndk_api_levels.count(*i))
 184                         highest_common = *i;
 185
 186         if(!highest_common)
 187                 throw runtime_error("No usable Android platforms found");
 188
 189         sdk.select_api_level(highest_common);
 190         ndk.select_api_level(highest_common);
 191
 192         add_tool(new AndroidCCompiler(builder, arch, ndk));
 193         add_tool(new AndroidCxxCompiler(builder, arch, ndk));
 194         add_tool(new AndroidLinker(builder, arch, ndk));
 195         add_tool(new AndroidManifestGenerator(builder));
 196         add_tool(new AndroidAssetPackagingTool(builder, sdk));
 197         add_tool(new ApkBuilder(builder));
 198         add_tool(new JarSigner(builder));
 199 }