mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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1111 lines
46 KiB
1111 lines
46 KiB
#!/usr/bin/env python |
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import sys, re, os.path |
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import json |
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import logging |
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from pprint import pformat |
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from string import Template |
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if sys.version_info[0] >= 3: |
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from io import StringIO |
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else: |
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from cStringIO import StringIO |
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# list of class names, which should be skipped by wrapper generator |
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# the list is loaded from misc/java/gen_dict.json defined for the module and its dependencies |
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class_ignore_list = [] |
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# list of constant names, which should be skipped by wrapper generator |
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# ignored constants can be defined using regular expressions |
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const_ignore_list = [] |
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# list of private constants |
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const_private_list = [] |
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# { Module : { public : [[name, val],...], private : [[]...] } } |
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missing_consts = {} |
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# c_type : { java/jni correspondence } |
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# Complex data types are configured for each module using misc/java/gen_dict.json |
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type_dict = { |
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# "simple" : { j_type : "?", jn_type : "?", jni_type : "?", suffix : "?" }, |
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"" : { "j_type" : "", "jn_type" : "long", "jni_type" : "jlong" }, # c-tor ret_type |
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"void" : { "j_type" : "void", "jn_type" : "void", "jni_type" : "void" }, |
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"env" : { "j_type" : "", "jn_type" : "", "jni_type" : "JNIEnv*"}, |
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"cls" : { "j_type" : "", "jn_type" : "", "jni_type" : "jclass"}, |
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"bool" : { "j_type" : "boolean", "jn_type" : "boolean", "jni_type" : "jboolean", "suffix" : "Z" }, |
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"char" : { "j_type" : "char", "jn_type" : "char", "jni_type" : "jchar", "suffix" : "C" }, |
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"int" : { "j_type" : "int", "jn_type" : "int", "jni_type" : "jint", "suffix" : "I" }, |
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"long" : { "j_type" : "int", "jn_type" : "int", "jni_type" : "jint", "suffix" : "I" }, |
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"float" : { "j_type" : "float", "jn_type" : "float", "jni_type" : "jfloat", "suffix" : "F" }, |
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"double" : { "j_type" : "double", "jn_type" : "double", "jni_type" : "jdouble", "suffix" : "D" }, |
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"size_t" : { "j_type" : "long", "jn_type" : "long", "jni_type" : "jlong", "suffix" : "J" }, |
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"__int64" : { "j_type" : "long", "jn_type" : "long", "jni_type" : "jlong", "suffix" : "J" }, |
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"int64" : { "j_type" : "long", "jn_type" : "long", "jni_type" : "jlong", "suffix" : "J" }, |
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"double[]": { "j_type" : "double[]", "jn_type" : "double[]", "jni_type" : "jdoubleArray", "suffix" : "_3D" } |
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} |
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# { class : { func : {j_code, jn_code, cpp_code} } } |
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ManualFuncs = {} |
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# { class : { func : { arg_name : {"ctype" : ctype, "attrib" : [attrib]} } } } |
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func_arg_fix = {} |
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def getLibVersion(version_hpp_path): |
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version_file = open(version_hpp_path, "rt").read() |
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major = re.search("^W*#\W*define\W+CV_VERSION_MAJOR\W+(\d+)\W*$", version_file, re.MULTILINE).group(1) |
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minor = re.search("^W*#\W*define\W+CV_VERSION_MINOR\W+(\d+)\W*$", version_file, re.MULTILINE).group(1) |
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revision = re.search("^W*#\W*define\W+CV_VERSION_REVISION\W+(\d+)\W*$", version_file, re.MULTILINE).group(1) |
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status = re.search("^W*#\W*define\W+CV_VERSION_STATUS\W+\"(.*?)\"\W*$", version_file, re.MULTILINE).group(1) |
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return (major, minor, revision, status) |
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def libVersionBlock(): |
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(major, minor, revision, status) = getLibVersion( |
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(os.path.dirname(__file__) or '.') + '/../../core/include/opencv2/core/version.hpp') |
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version_str = '.'.join( (major, minor, revision) ) + status |
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version_suffix = ''.join( (major, minor, revision) ) |
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return """ |
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// these constants are wrapped inside functions to prevent inlining |
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private static String getVersion() { return "%(v)s"; } |
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private static String getNativeLibraryName() { return "opencv_java%(vs)s"; } |
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private static int getVersionMajor() { return %(ma)s; } |
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private static int getVersionMinor() { return %(mi)s; } |
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private static int getVersionRevision() { return %(re)s; } |
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private static String getVersionStatus() { return "%(st)s"; } |
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public static final String VERSION = getVersion(); |
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public static final String NATIVE_LIBRARY_NAME = getNativeLibraryName(); |
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public static final int VERSION_MAJOR = getVersionMajor(); |
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public static final int VERSION_MINOR = getVersionMinor(); |
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public static final int VERSION_REVISION = getVersionRevision(); |
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public static final String VERSION_STATUS = getVersionStatus(); |
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""" % { 'v' : version_str, 'vs' : version_suffix, 'ma' : major, 'mi' : minor, 're' : revision, 'st': status } |
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T_JAVA_START_INHERITED = """ |
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// |
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// This file is auto-generated. Please don't modify it! |
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// |
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package org.opencv.$module; |
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$imports |
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// C++: class $name |
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//javadoc: $name |
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public class $jname extends $base { |
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protected $jname(long addr) { super(addr); } |
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""" |
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T_JAVA_START_ORPHAN = """ |
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// |
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// This file is auto-generated. Please don't modify it! |
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// |
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package org.opencv.$module; |
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$imports |
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// C++: class $name |
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//javadoc: $name |
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public class $jname { |
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protected final long nativeObj; |
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protected $jname(long addr) { nativeObj = addr; } |
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public long getNativeObjAddr() { return nativeObj; } |
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""" |
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T_JAVA_START_MODULE = """ |
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// |
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// This file is auto-generated. Please don't modify it! |
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// |
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package org.opencv.$module; |
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$imports |
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public class $jname { |
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""" |
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T_CPP_MODULE = """ |
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// |
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// This file is auto-generated, please don't edit! |
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// |
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#define LOG_TAG "org.opencv.$m" |
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#include "common.h" |
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#include "opencv2/opencv_modules.hpp" |
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#ifdef HAVE_OPENCV_$M |
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#include <string> |
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#include "opencv2/$m.hpp" |
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$includes |
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using namespace cv; |
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/// throw java exception |
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static void throwJavaException(JNIEnv *env, const std::exception *e, const char *method) { |
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std::string what = "unknown exception"; |
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jclass je = 0; |
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if(e) { |
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std::string exception_type = "std::exception"; |
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if(dynamic_cast<const cv::Exception*>(e)) { |
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exception_type = "cv::Exception"; |
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je = env->FindClass("org/opencv/core/CvException"); |
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} |
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what = exception_type + ": " + e->what(); |
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} |
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if(!je) je = env->FindClass("java/lang/Exception"); |
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env->ThrowNew(je, what.c_str()); |
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LOGE("%s caught %s", method, what.c_str()); |
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(void)method; // avoid "unused" warning |
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} |
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extern "C" { |
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$code |
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} // extern "C" |
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#endif // HAVE_OPENCV_$M |
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""" |
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class GeneralInfo(): |
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def __init__(self, name, namespaces): |
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self.namespace, self.classpath, self.classname, self.name = self.parseName(name, namespaces) |
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def parseName(self, name, namespaces): |
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''' |
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input: full name and available namespaces |
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returns: (namespace, classpath, classname, name) |
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''' |
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name = name[name.find(" ")+1:].strip() # remove struct/class/const prefix |
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spaceName = "" |
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localName = name # <classes>.<name> |
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for namespace in sorted(namespaces, key=len, reverse=True): |
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if name.startswith(namespace + "."): |
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spaceName = namespace |
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localName = name.replace(namespace + ".", "") |
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break |
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pieces = localName.split(".") |
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if len(pieces) > 2: # <class>.<class>.<class>.<name> |
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return spaceName, ".".join(pieces[:-1]), pieces[-2], pieces[-1] |
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elif len(pieces) == 2: # <class>.<name> |
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return spaceName, pieces[0], pieces[0], pieces[1] |
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elif len(pieces) == 1: # <name> |
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return spaceName, "", "", pieces[0] |
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else: |
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return spaceName, "", "" # error?! |
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def fullName(self, isCPP=False): |
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result = ".".join([self.fullClass(), self.name]) |
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return result if not isCPP else result.replace(".", "::") |
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def fullClass(self, isCPP=False): |
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result = ".".join([f for f in [self.namespace] + self.classpath.split(".") if len(f)>0]) |
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return result if not isCPP else result.replace(".", "::") |
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class ConstInfo(GeneralInfo): |
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def __init__(self, decl, addedManually=False, namespaces=[]): |
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GeneralInfo.__init__(self, decl[0], namespaces) |
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self.cname = self.name.replace(".", "::") |
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self.value = decl[1] |
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self.addedManually = addedManually |
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def __repr__(self): |
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return Template("CONST $name=$value$manual").substitute(name=self.name, |
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value=self.value, |
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manual="(manual)" if self.addedManually else "") |
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def isIgnored(self): |
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for c in const_ignore_list: |
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if re.match(c, self.name): |
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return True |
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return False |
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class ClassPropInfo(): |
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def __init__(self, decl): # [f_ctype, f_name, '', '/RW'] |
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self.ctype = decl[0] |
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self.name = decl[1] |
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self.rw = "/RW" in decl[3] |
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def __repr__(self): |
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return Template("PROP $ctype $name").substitute(ctype=self.ctype, name=self.name) |
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class ClassInfo(GeneralInfo): |
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def __init__(self, decl, namespaces=[]): # [ 'class/struct cname', ': base', [modlist] ] |
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GeneralInfo.__init__(self, decl[0], namespaces) |
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self.cname = self.name.replace(".", "::") |
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self.methods = [] |
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self.methods_suffixes = {} |
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self.consts = [] # using a list to save the occurence order |
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self.private_consts = [] |
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self.imports = set() |
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self.props= [] |
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self.jname = self.name |
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self.smart = None # True if class stores Ptr<T>* instead of T* in nativeObj field |
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self.j_code = None # java code stream |
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self.jn_code = None # jni code stream |
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self.cpp_code = None # cpp code stream |
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for m in decl[2]: |
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if m.startswith("="): |
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self.jname = m[1:] |
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self.base = '' |
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if decl[1]: |
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#self.base = re.sub(r"\b"+self.jname+r"\b", "", decl[1].replace(":", "")).strip() |
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self.base = re.sub(r"^.*:", "", decl[1].split(",")[0]).strip().replace(self.jname, "") |
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def __repr__(self): |
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return Template("CLASS $namespace::$classpath.$name : $base").substitute(**self.__dict__) |
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def getAllImports(self, module): |
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return ["import %s;" % c for c in sorted(self.imports) if not c.startswith('org.opencv.'+module)] |
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def addImports(self, ctype): |
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if ctype in type_dict: |
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if "j_import" in type_dict[ctype]: |
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self.imports.add(type_dict[ctype]["j_import"]) |
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if "v_type" in type_dict[ctype]: |
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self.imports.add("java.util.List") |
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self.imports.add("java.util.ArrayList") |
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self.imports.add("org.opencv.utils.Converters") |
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if type_dict[ctype]["v_type"] in ("Mat", "vector_Mat"): |
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self.imports.add("org.opencv.core.Mat") |
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def getAllMethods(self): |
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result = [] |
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result.extend([fi for fi in sorted(self.methods) if fi.isconstructor]) |
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result.extend([fi for fi in sorted(self.methods) if not fi.isconstructor]) |
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return result |
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def addMethod(self, fi): |
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self.methods.append(fi) |
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def getConst(self, name): |
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for cand in self.consts + self.private_consts: |
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if cand.name == name: |
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return cand |
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return None |
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def addConst(self, constinfo): |
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# choose right list (public or private) |
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consts = self.consts |
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for c in const_private_list: |
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if re.match(c, constinfo.name): |
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consts = self.private_consts |
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break |
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consts.append(constinfo) |
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def initCodeStreams(self, Module): |
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self.j_code = StringIO() |
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self.jn_code = StringIO() |
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self.cpp_code = StringIO(); |
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if self.base: |
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self.j_code.write(T_JAVA_START_INHERITED) |
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else: |
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if self.name != Module: |
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self.j_code.write(T_JAVA_START_ORPHAN) |
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else: |
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self.j_code.write(T_JAVA_START_MODULE) |
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# misc handling |
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if self.name == 'Core': |
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self.imports.add("java.lang.String") |
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self.j_code.write(libVersionBlock()) |
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def cleanupCodeStreams(self): |
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self.j_code.close() |
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self.jn_code.close() |
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self.cpp_code.close() |
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def generateJavaCode(self, m, M): |
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return Template(self.j_code.getvalue() + "\n\n" + \ |
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self.jn_code.getvalue() + "\n}\n").substitute(\ |
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module = m, |
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name = self.name, |
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jname = self.jname, |
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imports = "\n".join(self.getAllImports(M)), |
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base = self.base) |
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def generateCppCode(self): |
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return self.cpp_code.getvalue() |
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class ArgInfo(): |
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def __init__(self, arg_tuple): # [ ctype, name, def val, [mod], argno ] |
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self.pointer = False |
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ctype = arg_tuple[0] |
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if ctype.endswith("*"): |
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ctype = ctype[:-1] |
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self.pointer = True |
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self.ctype = ctype |
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self.name = arg_tuple[1] |
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self.defval = arg_tuple[2] |
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self.out = "" |
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if "/O" in arg_tuple[3]: |
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self.out = "O" |
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if "/IO" in arg_tuple[3]: |
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self.out = "IO" |
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def __repr__(self): |
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return Template("ARG $ctype$p $name=$defval").substitute(ctype=self.ctype, |
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p=" *" if self.pointer else "", |
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name=self.name, |
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defval=self.defval) |
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class FuncInfo(GeneralInfo): |
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def __init__(self, decl, namespaces=[]): # [ funcname, return_ctype, [modifiers], [args] ] |
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GeneralInfo.__init__(self, decl[0], namespaces) |
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self.cname = self.name.replace(".", "::") |
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self.jname = self.name |
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self.isconstructor = self.name == self.classname |
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if "[" in self.name: |
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self.jname = "getelem" |
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for m in decl[2]: |
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if m.startswith("="): |
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self.jname = m[1:] |
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self.static = ["","static"][ "/S" in decl[2] ] |
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self.ctype = re.sub(r"^CvTermCriteria", "TermCriteria", decl[1] or "") |
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self.args = [] |
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func_fix_map = func_arg_fix.get(self.jname, {}) |
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for a in decl[3]: |
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arg = a[:] |
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arg_fix_map = func_fix_map.get(arg[1], {}) |
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arg[0] = arg_fix_map.get('ctype', arg[0]) #fixing arg type |
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arg[3] = arg_fix_map.get('attrib', arg[3]) #fixing arg attrib |
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self.args.append(ArgInfo(arg)) |
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def __repr__(self): |
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return Template("FUNC <$ctype $namespace.$classpath.$name $args>").substitute(**self.__dict__) |
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def __lt__(self, other): |
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return self.__repr__() < other.__repr__() |
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class JavaWrapperGenerator(object): |
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def __init__(self): |
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self.clear() |
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def clear(self): |
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self.namespaces = set(["cv"]) |
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self.classes = { "Mat" : ClassInfo([ 'class Mat', '', [], [] ], self.namespaces) } |
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self.module = "" |
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self.Module = "" |
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self.ported_func_list = [] |
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self.skipped_func_list = [] |
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self.def_args_hist = {} # { def_args_cnt : funcs_cnt } |
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def add_class(self, decl): |
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classinfo = ClassInfo(decl, namespaces=self.namespaces) |
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if classinfo.name in class_ignore_list: |
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logging.info('ignored: %s', classinfo) |
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return |
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name = classinfo.name |
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if self.isWrapped(name) and not classinfo.base: |
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logging.warning('duplicated: %s', classinfo) |
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return |
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self.classes[name] = classinfo |
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if name in type_dict and not classinfo.base: |
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logging.warning('duplicated: %s', classinfo) |
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return |
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type_dict[name] = \ |
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{ "j_type" : classinfo.jname, |
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"jn_type" : "long", "jn_args" : (("__int64", ".nativeObj"),), |
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"jni_name" : "(*("+classinfo.fullName(isCPP=True)+"*)%(n)s_nativeObj)", "jni_type" : "jlong", |
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"suffix" : "J" } |
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type_dict[name+'*'] = \ |
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{ "j_type" : classinfo.jname, |
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"jn_type" : "long", "jn_args" : (("__int64", ".nativeObj"),), |
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"jni_name" : "("+classinfo.fullName(isCPP=True)+"*)%(n)s_nativeObj", "jni_type" : "jlong", |
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"suffix" : "J" } |
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# missing_consts { Module : { public : [[name, val],...], private : [[]...] } } |
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if name in missing_consts: |
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if 'private' in missing_consts[name]: |
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for (n, val) in missing_consts[name]['private']: |
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classinfo.private_consts.append( ConstInfo([n, val], addedManually=True) ) |
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if 'public' in missing_consts[name]: |
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for (n, val) in missing_consts[name]['public']: |
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classinfo.consts.append( ConstInfo([n, val], addedManually=True) ) |
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# class props |
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for p in decl[3]: |
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if True: #"vector" not in p[0]: |
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classinfo.props.append( ClassPropInfo(p) ) |
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else: |
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logging.warning("Skipped property: [%s]" % name, p) |
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if classinfo.base: |
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classinfo.addImports(classinfo.base) |
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type_dict["Ptr_"+name] = \ |
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{ "j_type" : classinfo.jname, |
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"jn_type" : "long", "jn_args" : (("__int64", ".getNativeObjAddr()"),), |
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"jni_name" : "*((Ptr<"+classinfo.fullName(isCPP=True)+">*)%(n)s_nativeObj)", "jni_type" : "jlong", |
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"suffix" : "J" } |
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logging.info('ok: class %s, name: %s, base: %s', classinfo, name, classinfo.base) |
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def add_const(self, decl): # [ "const cname", val, [], [] ] |
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constinfo = ConstInfo(decl, namespaces=self.namespaces) |
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if constinfo.isIgnored(): |
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logging.info('ignored: %s', constinfo) |
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elif not self.isWrapped(constinfo.classname): |
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logging.info('class not found: %s', constinfo) |
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else: |
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ci = self.getClass(constinfo.classname) |
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duplicate = ci.getConst(constinfo.name) |
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if duplicate: |
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if duplicate.addedManually: |
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logging.info('manual: %s', constinfo) |
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else: |
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logging.warning('duplicated: %s', constinfo) |
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else: |
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ci.addConst(constinfo) |
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logging.info('ok: %s', constinfo) |
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def add_func(self, decl): |
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fi = FuncInfo(decl, namespaces=self.namespaces) |
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classname = fi.classname or self.Module |
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if classname in class_ignore_list: |
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logging.info('ignored: %s', fi) |
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elif classname in ManualFuncs and fi.jname in ManualFuncs[classname]: |
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logging.info('manual: %s', fi) |
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elif not self.isWrapped(classname): |
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logging.warning('not found: %s', fi) |
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else: |
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self.getClass(classname).addMethod(fi) |
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logging.info('ok: %s', fi) |
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# calc args with def val |
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cnt = len([a for a in fi.args if a.defval]) |
|
self.def_args_hist[cnt] = self.def_args_hist.get(cnt, 0) + 1 |
|
|
|
def save(self, path, buf): |
|
f = open(path, "wt") |
|
f.write(buf) |
|
f.close() |
|
|
|
def gen(self, srcfiles, module, output_path, common_headers): |
|
self.clear() |
|
self.module = module |
|
self.Module = module.capitalize() |
|
# TODO: support UMat versions of declarations (implement UMat-wrapper for Java) |
|
parser = hdr_parser.CppHeaderParser(generate_umat_decls=False) |
|
|
|
self.add_class( ['class ' + self.Module, '', [], []] ) # [ 'class/struct cname', ':bases', [modlist] [props] ] |
|
|
|
# scan the headers and build more descriptive maps of classes, consts, functions |
|
includes = []; |
|
for hdr in common_headers: |
|
logging.info("\n===== Common header : %s =====", hdr) |
|
includes.append('#include "' + hdr + '"') |
|
for hdr in srcfiles: |
|
decls = parser.parse(hdr) |
|
self.namespaces = parser.namespaces |
|
logging.info("\n\n===== Header: %s =====", hdr) |
|
logging.info("Namespaces: %s", parser.namespaces) |
|
if decls: |
|
includes.append('#include "' + hdr + '"') |
|
else: |
|
logging.info("Ignore header: %s", hdr) |
|
for decl in decls: |
|
logging.info("\n--- Incoming ---\n%s", pformat(decl, 4)) |
|
name = decl[0] |
|
if name.startswith("struct") or name.startswith("class"): |
|
self.add_class(decl) |
|
elif name.startswith("const"): |
|
self.add_const(decl) |
|
else: # function |
|
self.add_func(decl) |
|
|
|
logging.info("\n\n===== Generating... =====") |
|
moduleCppCode = StringIO() |
|
for ci in self.classes.values(): |
|
if ci.name == "Mat": |
|
continue |
|
ci.initCodeStreams(self.Module) |
|
self.gen_class(ci) |
|
classJavaCode = ci.generateJavaCode(self.module, self.Module) |
|
self.save("%s/%s+%s.java" % (output_path, module, ci.jname), classJavaCode) |
|
moduleCppCode.write(ci.generateCppCode()) |
|
ci.cleanupCodeStreams() |
|
self.save(output_path+"/"+module+".cpp", Template(T_CPP_MODULE).substitute(m = module, M = module.upper(), code = moduleCppCode.getvalue(), includes = "\n".join(includes))) |
|
self.save(output_path+"/"+module+".txt", self.makeReport()) |
|
|
|
def makeReport(self): |
|
''' |
|
Returns string with generator report |
|
''' |
|
report = StringIO() |
|
total_count = len(self.ported_func_list)+ len(self.skipped_func_list) |
|
report.write("PORTED FUNCs LIST (%i of %i):\n\n" % (len(self.ported_func_list), total_count)) |
|
report.write("\n".join(self.ported_func_list)) |
|
report.write("\n\nSKIPPED FUNCs LIST (%i of %i):\n\n" % (len(self.skipped_func_list), total_count)) |
|
report.write("".join(self.skipped_func_list)) |
|
for i in self.def_args_hist.keys(): |
|
report.write("\n%i def args - %i funcs" % (i, self.def_args_hist[i])) |
|
return report.getvalue() |
|
|
|
def fullTypeName(self, t): |
|
if self.isWrapped(t): |
|
return self.getClass(t).fullName(isCPP=True) |
|
else: |
|
return t |
|
|
|
def gen_func(self, ci, fi, prop_name=''): |
|
logging.info("%s", fi) |
|
j_code = ci.j_code |
|
jn_code = ci.jn_code |
|
cpp_code = ci.cpp_code |
|
|
|
# c_decl |
|
# e.g: void add(Mat src1, Mat src2, Mat dst, Mat mask = Mat(), int dtype = -1) |
|
if prop_name: |
|
c_decl = "%s %s::%s" % (fi.ctype, fi.classname, prop_name) |
|
else: |
|
decl_args = [] |
|
for a in fi.args: |
|
s = a.ctype or ' _hidden_ ' |
|
if a.pointer: |
|
s += "*" |
|
elif a.out: |
|
s += "&" |
|
s += " " + a.name |
|
if a.defval: |
|
s += " = "+a.defval |
|
decl_args.append(s) |
|
c_decl = "%s %s %s(%s)" % ( fi.static, fi.ctype, fi.cname, ", ".join(decl_args) ) |
|
|
|
# java comment |
|
j_code.write( "\n //\n // C++: %s\n //\n\n" % c_decl ) |
|
# check if we 'know' all the types |
|
if fi.ctype not in type_dict: # unsupported ret type |
|
msg = "// Return type '%s' is not supported, skipping the function\n\n" % fi.ctype |
|
self.skipped_func_list.append(c_decl + "\n" + msg) |
|
j_code.write( " "*4 + msg ) |
|
logging.warning("SKIP:" + c_decl.strip() + "\t due to RET type" + fi.ctype) |
|
return |
|
for a in fi.args: |
|
if a.ctype not in type_dict: |
|
if not a.defval and a.ctype.endswith("*"): |
|
a.defval = 0 |
|
if a.defval: |
|
a.ctype = '' |
|
continue |
|
msg = "// Unknown type '%s' (%s), skipping the function\n\n" % (a.ctype, a.out or "I") |
|
self.skipped_func_list.append(c_decl + "\n" + msg) |
|
j_code.write( " "*4 + msg ) |
|
logging.warning("SKIP:" + c_decl.strip() + "\t due to ARG type" + a.ctype + "/" + (a.out or "I")) |
|
return |
|
|
|
self.ported_func_list.append(c_decl) |
|
|
|
# jn & cpp comment |
|
jn_code.write( "\n // C++: %s\n" % c_decl ) |
|
cpp_code.write( "\n//\n// %s\n//\n" % c_decl ) |
|
|
|
# java args |
|
args = fi.args[:] # copy |
|
j_signatures=[] |
|
suffix_counter = int(ci.methods_suffixes.get(fi.jname, -1)) |
|
while True: |
|
suffix_counter += 1 |
|
ci.methods_suffixes[fi.jname] = suffix_counter |
|
# java native method args |
|
jn_args = [] |
|
# jni (cpp) function args |
|
jni_args = [ArgInfo([ "env", "env", "", [], "" ]), ArgInfo([ "cls", "", "", [], "" ])] |
|
j_prologue = [] |
|
j_epilogue = [] |
|
c_prologue = [] |
|
c_epilogue = [] |
|
if type_dict[fi.ctype]["jni_type"] == "jdoubleArray": |
|
fields = type_dict[fi.ctype]["jn_args"] |
|
c_epilogue.append( \ |
|
("jdoubleArray _da_retval_ = env->NewDoubleArray(%(cnt)i); " + |
|
"jdouble _tmp_retval_[%(cnt)i] = {%(args)s}; " + |
|
"env->SetDoubleArrayRegion(_da_retval_, 0, %(cnt)i, _tmp_retval_);") % |
|
{ "cnt" : len(fields), "args" : ", ".join(["(jdouble)_retval_" + f[1] for f in fields]) } ) |
|
if fi.classname and fi.ctype and not fi.static: # non-static class method except c-tor |
|
# adding 'self' |
|
jn_args.append ( ArgInfo([ "__int64", "nativeObj", "", [], "" ]) ) |
|
jni_args.append( ArgInfo([ "__int64", "self", "", [], "" ]) ) |
|
ci.addImports(fi.ctype) |
|
for a in args: |
|
if not a.ctype: # hidden |
|
continue |
|
ci.addImports(a.ctype) |
|
if "v_type" in type_dict[a.ctype]: # pass as vector |
|
if type_dict[a.ctype]["v_type"] in ("Mat", "vector_Mat"): #pass as Mat or vector_Mat |
|
jn_args.append ( ArgInfo([ "__int64", "%s_mat.nativeObj" % a.name, "", [], "" ]) ) |
|
jni_args.append ( ArgInfo([ "__int64", "%s_mat_nativeObj" % a.name, "", [], "" ]) ) |
|
c_prologue.append( type_dict[a.ctype]["jni_var"] % {"n" : a.name} + ";" ) |
|
c_prologue.append( "Mat& %(n)s_mat = *((Mat*)%(n)s_mat_nativeObj)" % {"n" : a.name} + ";" ) |
|
if "I" in a.out or not a.out: |
|
if type_dict[a.ctype]["v_type"] == "vector_Mat": |
|
j_prologue.append( "List<Mat> %(n)s_tmplm = new ArrayList<Mat>((%(n)s != null) ? %(n)s.size() : 0);" % {"n" : a.name } ) |
|
j_prologue.append( "Mat %(n)s_mat = Converters.%(t)s_to_Mat(%(n)s, %(n)s_tmplm);" % {"n" : a.name, "t" : a.ctype} ) |
|
else: |
|
if not type_dict[a.ctype]["j_type"].startswith("MatOf"): |
|
j_prologue.append( "Mat %(n)s_mat = Converters.%(t)s_to_Mat(%(n)s);" % {"n" : a.name, "t" : a.ctype} ) |
|
else: |
|
j_prologue.append( "Mat %s_mat = %s;" % (a.name, a.name) ) |
|
c_prologue.append( "Mat_to_%(t)s( %(n)s_mat, %(n)s );" % {"n" : a.name, "t" : a.ctype} ) |
|
else: |
|
if not type_dict[a.ctype]["j_type"].startswith("MatOf"): |
|
j_prologue.append( "Mat %s_mat = new Mat();" % a.name ) |
|
else: |
|
j_prologue.append( "Mat %s_mat = %s;" % (a.name, a.name) ) |
|
if "O" in a.out: |
|
if not type_dict[a.ctype]["j_type"].startswith("MatOf"): |
|
j_epilogue.append("Converters.Mat_to_%(t)s(%(n)s_mat, %(n)s);" % {"t" : a.ctype, "n" : a.name}) |
|
j_epilogue.append( "%s_mat.release();" % a.name ) |
|
c_epilogue.append( "%(t)s_to_Mat( %(n)s, %(n)s_mat );" % {"n" : a.name, "t" : a.ctype} ) |
|
else: #pass as list |
|
jn_args.append ( ArgInfo([ a.ctype, a.name, "", [], "" ]) ) |
|
jni_args.append ( ArgInfo([ a.ctype, "%s_list" % a.name , "", [], "" ]) ) |
|
c_prologue.append(type_dict[a.ctype]["jni_var"] % {"n" : a.name} + ";") |
|
if "I" in a.out or not a.out: |
|
c_prologue.append("%(n)s = List_to_%(t)s(env, %(n)s_list);" % {"n" : a.name, "t" : a.ctype}) |
|
if "O" in a.out: |
|
c_epilogue.append("Copy_%s_to_List(env,%s,%s_list);" % (a.ctype, a.name, a.name)) |
|
else: |
|
fields = type_dict[a.ctype].get("jn_args", ((a.ctype, ""),)) |
|
if "I" in a.out or not a.out or self.isWrapped(a.ctype): # input arg, pass by primitive fields |
|
for f in fields: |
|
jn_args.append ( ArgInfo([ f[0], a.name + f[1], "", [], "" ]) ) |
|
jni_args.append( ArgInfo([ f[0], a.name + f[1].replace(".","_").replace("[","").replace("]","").replace("_getNativeObjAddr()","_nativeObj"), "", [], "" ]) ) |
|
if "O" in a.out and not self.isWrapped(a.ctype): # out arg, pass as double[] |
|
jn_args.append ( ArgInfo([ "double[]", "%s_out" % a.name, "", [], "" ]) ) |
|
jni_args.append ( ArgInfo([ "double[]", "%s_out" % a.name, "", [], "" ]) ) |
|
j_prologue.append( "double[] %s_out = new double[%i];" % (a.name, len(fields)) ) |
|
c_epilogue.append( \ |
|
"jdouble tmp_%(n)s[%(cnt)i] = {%(args)s}; env->SetDoubleArrayRegion(%(n)s_out, 0, %(cnt)i, tmp_%(n)s);" % |
|
{ "n" : a.name, "cnt" : len(fields), "args" : ", ".join(["(jdouble)" + a.name + f[1] for f in fields]) } ) |
|
if type_dict[a.ctype]["j_type"] in ('bool', 'int', 'long', 'float', 'double'): |
|
j_epilogue.append('if(%(n)s!=null) %(n)s[0] = (%(t)s)%(n)s_out[0];' % {'n':a.name,'t':type_dict[a.ctype]["j_type"]}) |
|
else: |
|
set_vals = [] |
|
i = 0 |
|
for f in fields: |
|
set_vals.append( "%(n)s%(f)s = %(t)s%(n)s_out[%(i)i]" % |
|
{"n" : a.name, "t": ("("+type_dict[f[0]]["j_type"]+")", "")[f[0]=="double"], "f" : f[1], "i" : i} |
|
) |
|
i += 1 |
|
j_epilogue.append( "if("+a.name+"!=null){ " + "; ".join(set_vals) + "; } ") |
|
|
|
# calculate java method signature to check for uniqueness |
|
j_args = [] |
|
for a in args: |
|
if not a.ctype: #hidden |
|
continue |
|
jt = type_dict[a.ctype]["j_type"] |
|
if a.out and jt in ('bool', 'int', 'long', 'float', 'double'): |
|
jt += '[]' |
|
j_args.append( jt + ' ' + a.name ) |
|
j_signature = type_dict[fi.ctype]["j_type"] + " " + \ |
|
fi.jname + "(" + ", ".join(j_args) + ")" |
|
logging.info("java: " + j_signature) |
|
|
|
if(j_signature in j_signatures): |
|
if args: |
|
pop(args) |
|
continue |
|
else: |
|
break |
|
|
|
# java part: |
|
# private java NATIVE method decl |
|
# e.g. |
|
# private static native void add_0(long src1, long src2, long dst, long mask, int dtype); |
|
jn_code.write( Template(\ |
|
" private static native $type $name($args);\n").substitute(\ |
|
type = type_dict[fi.ctype].get("jn_type", "double[]"), \ |
|
name = fi.jname + '_' + str(suffix_counter), \ |
|
args = ", ".join(["%s %s" % (type_dict[a.ctype]["jn_type"], a.name.replace(".","_").replace("[","").replace("]","").replace("_getNativeObjAddr()","_nativeObj")) for a in jn_args]) |
|
) ); |
|
|
|
# java part: |
|
|
|
#java doc comment |
|
f_name = fi.name |
|
if fi.classname: |
|
f_name = fi.classname + "::" + fi.name |
|
java_doc = "//javadoc: " + f_name + "(%s)" % ", ".join([a.name for a in args if a.ctype]) |
|
j_code.write(" "*4 + java_doc + "\n") |
|
|
|
# public java wrapper method impl (calling native one above) |
|
# e.g. |
|
# public static void add( Mat src1, Mat src2, Mat dst, Mat mask, int dtype ) |
|
# { add_0( src1.nativeObj, src2.nativeObj, dst.nativeObj, mask.nativeObj, dtype ); } |
|
ret_type = fi.ctype |
|
if fi.ctype.endswith('*'): |
|
ret_type = ret_type[:-1] |
|
ret_val = type_dict[ret_type]["j_type"] + " retVal = " |
|
tail = "" |
|
ret = "return retVal;" |
|
if "v_type" in type_dict[ret_type]: |
|
j_type = type_dict[ret_type]["j_type"] |
|
if type_dict[ret_type]["v_type"] in ("Mat", "vector_Mat"): |
|
tail = ")" |
|
if j_type.startswith('MatOf'): |
|
ret_val += j_type + ".fromNativeAddr(" |
|
else: |
|
ret_val = "Mat retValMat = new Mat(" |
|
j_prologue.append( j_type + ' retVal = new Array' + j_type+'();') |
|
j_epilogue.append('Converters.Mat_to_' + ret_type + '(retValMat, retVal);') |
|
elif ret_type.startswith("Ptr_"): |
|
ret_val = type_dict[fi.ctype]["j_type"] + " retVal = new " + type_dict[ret_type]["j_type"] + "(" |
|
tail = ")" |
|
elif ret_type == "void": |
|
ret_val = "" |
|
ret = "return;" |
|
elif ret_type == "": # c-tor |
|
if fi.classname and ci.base: |
|
ret_val = "super( " |
|
tail = " )" |
|
else: |
|
ret_val = "nativeObj = " |
|
ret = "return;" |
|
elif self.isWrapped(ret_type): # wrapped class |
|
ret_val = type_dict[ret_type]["j_type"] + " retVal = new " + self.getClass(ret_type).jname + "(" |
|
tail = ")" |
|
elif "jn_type" not in type_dict[ret_type]: |
|
ret_val = type_dict[fi.ctype]["j_type"] + " retVal = new " + type_dict[ret_type]["j_type"] + "(" |
|
tail = ")" |
|
|
|
static = "static" |
|
if fi.classname: |
|
static = fi.static |
|
|
|
j_code.write( Template(\ |
|
""" public $static $j_type $j_name($j_args) |
|
{ |
|
$prologue |
|
$ret_val$jn_name($jn_args_call)$tail; |
|
$epilogue |
|
$ret |
|
} |
|
|
|
""" |
|
).substitute(\ |
|
ret = ret, \ |
|
ret_val = ret_val, \ |
|
tail = tail, \ |
|
prologue = "\n ".join(j_prologue), \ |
|
epilogue = "\n ".join(j_epilogue), \ |
|
static=static, \ |
|
j_type=type_dict[fi.ctype]["j_type"], \ |
|
j_name=fi.jname, \ |
|
j_args=", ".join(j_args), \ |
|
jn_name=fi.jname + '_' + str(suffix_counter), \ |
|
jn_args_call=", ".join( [a.name for a in jn_args] ),\ |
|
) |
|
) |
|
|
|
|
|
# cpp part: |
|
# jni_func(..) { _retval_ = cv_func(..); return _retval_; } |
|
ret = "return _retval_;" |
|
default = "return 0;" |
|
if fi.ctype == "void": |
|
ret = "return;" |
|
default = "return;" |
|
elif not fi.ctype: # c-tor |
|
ret = "return (jlong) _retval_;" |
|
elif "v_type" in type_dict[fi.ctype]: # c-tor |
|
if type_dict[fi.ctype]["v_type"] in ("Mat", "vector_Mat"): |
|
ret = "return (jlong) _retval_;" |
|
else: # returned as jobject |
|
ret = "return _retval_;" |
|
elif fi.ctype == "String": |
|
ret = "return env->NewStringUTF(_retval_.c_str());" |
|
default = 'return env->NewStringUTF("");' |
|
elif self.isWrapped(fi.ctype): # wrapped class: |
|
ret = "return (jlong) new %s(_retval_);" % self.fullTypeName(fi.ctype) |
|
elif fi.ctype.startswith('Ptr_'): |
|
c_prologue.append("typedef Ptr<%s> %s;" % (self.fullTypeName(fi.ctype[4:]), fi.ctype)) |
|
ret = "return (jlong)(new %(ctype)s(_retval_));" % { 'ctype':fi.ctype } |
|
elif self.isWrapped(ret_type): # pointer to wrapped class: |
|
ret = "return (jlong) _retval_;" |
|
elif type_dict[fi.ctype]["jni_type"] == "jdoubleArray": |
|
ret = "return _da_retval_;" |
|
|
|
# hack: replacing func call with property set/get |
|
name = fi.name |
|
if prop_name: |
|
if args: |
|
name = prop_name + " = " |
|
else: |
|
name = prop_name + ";//" |
|
|
|
cvname = fi.fullName(isCPP=True) |
|
retval = self.fullTypeName(fi.ctype) + " _retval_ = " |
|
if fi.ctype == "void": |
|
retval = "" |
|
elif fi.ctype == "String": |
|
retval = "cv::" + retval |
|
elif "v_type" in type_dict[fi.ctype]: # vector is returned |
|
retval = type_dict[fi.ctype]['jni_var'] % {"n" : '_ret_val_vector_'} + " = " |
|
if type_dict[fi.ctype]["v_type"] in ("Mat", "vector_Mat"): |
|
c_epilogue.append("Mat* _retval_ = new Mat();") |
|
c_epilogue.append(fi.ctype+"_to_Mat(_ret_val_vector_, *_retval_);") |
|
else: |
|
c_epilogue.append("jobject _retval_ = " + fi.ctype + "_to_List(env, _ret_val_vector_);") |
|
if len(fi.classname)>0: |
|
if not fi.ctype: # c-tor |
|
retval = fi.fullClass(isCPP=True) + "* _retval_ = " |
|
cvname = "new " + fi.fullClass(isCPP=True) |
|
elif fi.static: |
|
cvname = fi.fullName(isCPP=True) |
|
else: |
|
cvname = ("me->" if not self.isSmartClass(ci) else "(*me)->") + name |
|
c_prologue.append(\ |
|
"%(cls)s* me = (%(cls)s*) self; //TODO: check for NULL" \ |
|
% { "cls" : self.smartWrap(ci, fi.fullClass(isCPP=True))} \ |
|
) |
|
cvargs = [] |
|
for a in args: |
|
if a.pointer: |
|
jni_name = "&%(n)s" |
|
else: |
|
jni_name = "%(n)s" |
|
if not a.out and not "jni_var" in type_dict[a.ctype]: |
|
# explicit cast to C type to avoid ambiguous call error on platforms (mingw) |
|
# where jni types are different from native types (e.g. jint is not the same as int) |
|
jni_name = "(%s)%s" % (a.ctype, jni_name) |
|
if not a.ctype: # hidden |
|
jni_name = a.defval |
|
cvargs.append( type_dict[a.ctype].get("jni_name", jni_name) % {"n" : a.name}) |
|
if "v_type" not in type_dict[a.ctype]: |
|
if ("I" in a.out or not a.out or self.isWrapped(a.ctype)) and "jni_var" in type_dict[a.ctype]: # complex type |
|
c_prologue.append(type_dict[a.ctype]["jni_var"] % {"n" : a.name} + ";") |
|
if a.out and "I" not in a.out and not self.isWrapped(a.ctype) and a.ctype: |
|
c_prologue.append("%s %s;" % (a.ctype, a.name)) |
|
|
|
rtype = type_dict[fi.ctype].get("jni_type", "jdoubleArray") |
|
clazz = ci.jname |
|
cpp_code.write ( Template( \ |
|
""" |
|
${namespace} |
|
|
|
JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_${clazz}_$fname ($argst); |
|
|
|
JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_${clazz}_$fname |
|
($args) |
|
{ |
|
static const char method_name[] = "$module::$fname()"; |
|
try { |
|
LOGD("%s", method_name); |
|
$prologue |
|
$retval$cvname( $cvargs ); |
|
$epilogue$ret |
|
} catch(const std::exception &e) { |
|
throwJavaException(env, &e, method_name); |
|
} catch (...) { |
|
throwJavaException(env, 0, method_name); |
|
} |
|
$default |
|
} |
|
|
|
|
|
""" ).substitute( \ |
|
rtype = rtype, \ |
|
module = self.module.replace('_', '_1'), \ |
|
clazz = clazz.replace('_', '_1'), \ |
|
fname = (fi.jname + '_' + str(suffix_counter)).replace('_', '_1'), \ |
|
args = ", ".join(["%s %s" % (type_dict[a.ctype].get("jni_type"), a.name) for a in jni_args]), \ |
|
argst = ", ".join([type_dict[a.ctype].get("jni_type") for a in jni_args]), \ |
|
prologue = "\n ".join(c_prologue), \ |
|
epilogue = " ".join(c_epilogue) + ("\n " if c_epilogue else ""), \ |
|
ret = ret, \ |
|
cvname = cvname, \ |
|
cvargs = ", ".join(cvargs), \ |
|
default = default, \ |
|
retval = retval, \ |
|
namespace = ('using namespace ' + ci.namespace.replace('.', '::') + ';') if ci.namespace else '' |
|
) ) |
|
|
|
# adding method signature to dictionarry |
|
j_signatures.append(j_signature) |
|
|
|
# processing args with default values |
|
if not args or not args[-1].defval: |
|
break |
|
while args and args[-1].defval: |
|
# 'smart' overloads filtering |
|
a = args.pop() |
|
if a.name in ('mask', 'dtype', 'ddepth', 'lineType', 'borderType', 'borderMode', 'criteria'): |
|
break |
|
|
|
|
|
|
|
def gen_class(self, ci): |
|
logging.info("%s", ci) |
|
# constants |
|
if ci.private_consts: |
|
logging.info("%s", ci.private_consts) |
|
ci.j_code.write(""" |
|
private static final int |
|
%s;\n\n""" % (",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in ci.private_consts]) |
|
) |
|
if ci.consts: |
|
logging.info("%s", ci.consts) |
|
ci.j_code.write(""" |
|
public static final int |
|
%s;\n\n""" % (",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in ci.consts]) |
|
) |
|
# methods |
|
for fi in ci.getAllMethods(): |
|
self.gen_func(ci, fi) |
|
# props |
|
for pi in ci.props: |
|
# getter |
|
getter_name = ci.fullName() + ".get_" + pi.name |
|
fi = FuncInfo( [getter_name, pi.ctype, [], []], self.namespaces ) # [ funcname, return_ctype, [modifiers], [args] ] |
|
self.gen_func(ci, fi, pi.name) |
|
if pi.rw: |
|
#setter |
|
setter_name = ci.fullName() + ".set_" + pi.name |
|
fi = FuncInfo( [ setter_name, "void", [], [ [pi.ctype, pi.name, "", [], ""] ] ], self.namespaces) |
|
self.gen_func(ci, fi, pi.name) |
|
|
|
# manual ports |
|
if ci.name in ManualFuncs: |
|
for func in ManualFuncs[ci.name].keys(): |
|
ci.j_code.write ( "\n".join(ManualFuncs[ci.name][func]["j_code"]) ) |
|
ci.jn_code.write( "\n".join(ManualFuncs[ci.name][func]["jn_code"]) ) |
|
ci.cpp_code.write( "\n".join(ManualFuncs[ci.name][func]["cpp_code"]) ) |
|
|
|
if ci.name != self.Module or ci.base: |
|
# finalize() |
|
ci.j_code.write( |
|
""" |
|
@Override |
|
protected void finalize() throws Throwable { |
|
delete(nativeObj); |
|
} |
|
""" ) |
|
|
|
ci.jn_code.write( |
|
""" |
|
// native support for java finalize() |
|
private static native void delete(long nativeObj); |
|
""" ) |
|
|
|
# native support for java finalize() |
|
ci.cpp_code.write( \ |
|
""" |
|
// |
|
// native support for java finalize() |
|
// static void %(cls)s::delete( __int64 self ) |
|
// |
|
JNIEXPORT void JNICALL Java_org_opencv_%(module)s_%(j_cls)s_delete(JNIEnv*, jclass, jlong); |
|
|
|
JNIEXPORT void JNICALL Java_org_opencv_%(module)s_%(j_cls)s_delete |
|
(JNIEnv*, jclass, jlong self) |
|
{ |
|
delete (%(cls)s*) self; |
|
} |
|
|
|
""" % {"module" : module.replace('_', '_1'), "cls" : self.smartWrap(ci, ci.fullName(isCPP=True)), "j_cls" : ci.jname.replace('_', '_1')} |
|
) |
|
|
|
def getClass(self, classname): |
|
return self.classes[classname or self.Module] |
|
|
|
def isWrapped(self, classname): |
|
name = classname or self.Module |
|
return name in self.classes |
|
|
|
def isSmartClass(self, ci): |
|
''' |
|
Check if class stores Ptr<T>* instead of T* in nativeObj field |
|
''' |
|
if ci.smart != None: |
|
return ci.smart |
|
|
|
# if parents are smart (we hope) then children are! |
|
# if not we believe the class is smart if it has "create" method |
|
ci.smart = False |
|
if ci.base or ci.name == 'Algorithm': |
|
ci.smart = True |
|
else: |
|
for fi in ci.methods: |
|
if fi.name == "create": |
|
ci.smart = True |
|
break |
|
|
|
return ci.smart |
|
|
|
def smartWrap(self, ci, fullname): |
|
''' |
|
Wraps fullname with Ptr<> if needed |
|
''' |
|
if self.isSmartClass(ci): |
|
return "Ptr<" + fullname + ">" |
|
return fullname |
|
|
|
|
|
if __name__ == "__main__": |
|
|
|
# parse command line parameters |
|
import argparse |
|
arg_parser = argparse.ArgumentParser(description='OpenCV Java Wrapper Generator') |
|
arg_parser.add_argument('-p', '--parser', required=True, help='OpenCV header parser') |
|
arg_parser.add_argument('-m', '--module', required=True, help='OpenCV module name') |
|
arg_parser.add_argument('-s', '--srcfiles', required=True, nargs='+', help='Source headers to be wrapped') |
|
arg_parser.add_argument('-c', '--common', nargs='*', help='Common headers') |
|
arg_parser.add_argument('-t', '--gendict', nargs='*', help='Custom module dictionaries for C++ to Java conversion') |
|
|
|
args=arg_parser.parse_args() |
|
|
|
# import header parser |
|
hdr_parser_path = os.path.abspath(args.parser) |
|
if hdr_parser_path.endswith(".py"): |
|
hdr_parser_path = os.path.dirname(hdr_parser_path) |
|
sys.path.append(hdr_parser_path) |
|
import hdr_parser |
|
|
|
module = args.module |
|
srcfiles = args.srcfiles |
|
common_headers= args.common |
|
gen_dict_files = args.gendict |
|
|
|
dstdir = "." |
|
|
|
# initialize logger |
|
logging.basicConfig(filename='%s/%s.log' % (dstdir, module), format=None, filemode='w', level=logging.INFO) |
|
handler = logging.StreamHandler() |
|
handler.setLevel(logging.WARNING) |
|
logging.getLogger().addHandler(handler) |
|
|
|
# load dictionaries |
|
for gdf in gen_dict_files: |
|
with open(gdf) as f: |
|
gen_type_dict = json.load(f) |
|
if "class_ignore_list" in gen_type_dict: |
|
class_ignore_list += gen_type_dict["class_ignore_list"] |
|
if "const_ignore_list" in gen_type_dict: |
|
const_ignore_list += gen_type_dict["const_ignore_list"] |
|
if "const_private_list" in gen_type_dict: |
|
const_private_list += gen_type_dict["const_private_list"] |
|
if "missing_consts" in gen_type_dict: |
|
missing_consts.update(gen_type_dict["missing_consts"]) |
|
if "type_dict" in gen_type_dict: |
|
type_dict.update(gen_type_dict["type_dict"]) |
|
if "ManualFuncs" in gen_type_dict: |
|
ManualFuncs.update(gen_type_dict["ManualFuncs"]) |
|
if "func_arg_fix" in gen_type_dict: |
|
func_arg_fix.update(gen_type_dict["func_arg_fix"]) |
|
|
|
# launch Java Wrapper generator |
|
generator = JavaWrapperGenerator() |
|
generator.gen(srcfiles, module, dstdir, common_headers)
|
|
|