OsmAnd/OsmAnd/jni/osmand/renderRules.cpp
2011-10-30 12:51:14 +01:00

532 lines
18 KiB
C++

#ifndef _OSMAND_RENDER_RULES
#define _OSMAND_RENDER_RULES
#include <jni.h>
#include <android/log.h>
#include <iterator>
#include <string>
#include <vector>
#include <hash_map>
#include "renderRules.h"
#include "common.h"
jclass ListClass;
jmethodID List_size;
jmethodID List_get;
jclass RenderingRuleClass;
jfieldID RenderingRule_properties;
jfieldID RenderingRule_intProperties;
jfieldID RenderingRule_floatProperties;
jfieldID RenderingRule_ifElseChildren;
jfieldID RenderingRule_ifChildren;
jclass RenderingRuleStoragePropertiesClass;
jfieldID RenderingRuleStorageProperties_rules;
jclass RenderingRulePropertyClass;
jfieldID RenderingRuleProperty_type;
jfieldID RenderingRuleProperty_input;
jfieldID RenderingRuleProperty_attrName;
jclass RenderingRulesStorageClass;
jfieldID RenderingRulesStorageClass_dictionary;
jfieldID RenderingRulesStorage_PROPS;
jmethodID RenderingRulesStorage_getRules;
jclass RenderingRuleSearchRequestClass;
jfieldID RenderingRuleSearchRequest_storage;
jfieldID RenderingRuleSearchRequest_props;
jfieldID RenderingRuleSearchRequest_values;
jfieldID RenderingRuleSearchRequest_fvalues;
jfieldID RenderingRuleSearchRequest_savedValues;
jfieldID RenderingRuleSearchRequest_savedFvalues;
int RenderingRulesStorage::getPropertiesSize() {
return properties.size();
}
RenderingRuleProperty* RenderingRulesStorage::getProperty(int i) {
return &properties.at(i);
}
RenderingRule* RenderingRulesStorage::getRule(int state, int itag, int ivalue) {
std::hash_map<int, RenderingRule>::iterator it = (tagValueGlobalRules[state]).find(
(itag << SHIFT_TAG_VAL) | ivalue);
if (it == tagValueGlobalRules[state].end()) {
return NULL;
}
return &(*it).second;
}
RenderingRuleProperty* RenderingRulesStorage::getProperty(const char* st) {
std::hash_map<std::string, RenderingRuleProperty*>::iterator i = propertyMap.find(st);
if (i == propertyMap.end()) {
return NULL;
}
return (*i).second;
}
std::string RenderingRulesStorage::getDictionaryValue(int i) {
if (i < 0) {
return EMPTY_STRING;
}
return dictionary.at(i);
}
int RenderingRulesStorage::getDictionaryValue(std::string s) {
return dictionaryMap[s];
}
void RenderingRulesStorage::initDictionary() {
jobject listDictionary = globalEnv()->GetObjectField(javaStorage, RenderingRulesStorageClass_dictionary);
uint sz = globalEnv()->CallIntMethod(listDictionary, List_size);
uint i = 0;
for (; i < sz; i++) {
jstring st = (jstring) globalEnv()->CallObjectMethod(listDictionary, List_get, i);
// if(st != NULL)
// {
const char* utf = globalEnv()->GetStringUTFChars(st, NULL);
std::string d = std::string(utf);
globalEnv()->ReleaseStringUTFChars(st, utf);
globalEnv()->DeleteLocalRef(st);
dictionary.push_back(d);
dictionaryMap[d] = i;
// }
}
globalEnv()->DeleteLocalRef(listDictionary);
}
void RenderingRulesStorage::initProperties() {
jobject props = globalEnv()->GetObjectField(javaStorage, RenderingRulesStorage_PROPS);
jobject listProps = globalEnv()->GetObjectField(props, RenderingRuleStorageProperties_rules);
uint sz = globalEnv()->CallIntMethod(listProps, List_size);
uint i = 0;
for (; i < sz; i++) {
jobject rulePrope = globalEnv()->CallObjectMethod(listProps, List_get, i);
bool input = globalEnv()->GetIntField(rulePrope, RenderingRuleProperty_input);
int type = globalEnv()->GetIntField(rulePrope, RenderingRuleProperty_type);
std::string name = getStringField(rulePrope, RenderingRuleProperty_attrName);
RenderingRuleProperty* prop = new RenderingRuleProperty(type, input, name, i);
properties.push_back(*prop);
propertyMap[name] = prop;
globalEnv()->DeleteLocalRef(rulePrope);
}
globalEnv()->DeleteLocalRef(props);
globalEnv()->DeleteLocalRef(listProps);
}
void RenderingRulesStorage::initRules() {
for (int i = 1; i < SIZE_STATES; i++) {
jobjectArray rules = (jobjectArray) globalEnv()->CallObjectMethod(javaStorage, RenderingRulesStorage_getRules,
i);
jsize len = globalEnv()->GetArrayLength(rules);
for (jsize j = 0; j < len; j++) {
jobject rRule = globalEnv()->GetObjectArrayElement(rules, j);
RenderingRule* rule = createRenderingRule(rRule);
globalEnv()->DeleteLocalRef(rRule);
if (rule != NULL) {
jsize psz = rule->properties.size();
int tag = -1;
int value = -1;
for (int p = 0; p < psz; p++) {
if (rule->properties.at(p)->attrName == "tag") {
tag = rule->intProperties.at(p);
} else if (rule->properties.at(p)->attrName == "value") {
value = rule->intProperties.at(p);
}
}
if (tag != -1 && value != -1) {
int key = (tag << SHIFT_TAG_VAL) + value;
tagValueGlobalRules[i][key] = *rule;
}
}
}
globalEnv()->DeleteLocalRef(rules);
}
}
RenderingRule* RenderingRulesStorage::createRenderingRule(jobject rRule) {
RenderingRule* rule = new RenderingRule;
jobjectArray props = (jobjectArray) globalEnv()->GetObjectField(rRule, RenderingRule_properties);
jintArray intProps = (jintArray) globalEnv()->GetObjectField(rRule, RenderingRule_intProperties);
jfloatArray floatProps = (jfloatArray) globalEnv()->GetObjectField(rRule, RenderingRule_floatProperties);
jobject ifChildren = globalEnv()->GetObjectField(rRule, RenderingRule_ifChildren);
jobject ifElseChildren = globalEnv()->GetObjectField(rRule, RenderingRule_ifElseChildren);
jsize sz = globalEnv()->GetArrayLength(props);
if (floatProps != NULL) {
jfloat* fe = globalEnv()->GetFloatArrayElements(floatProps, NULL);
for (int j = 0; j < sz; j++) {
rule->floatProperties.push_back(fe[j]);
}
globalEnv()->ReleaseFloatArrayElements(floatProps, fe, JNI_ABORT);
globalEnv()->DeleteLocalRef(floatProps);
} else {
rule->floatProperties.assign(sz, 0);
}
if (intProps != NULL) {
jint* ie = globalEnv()->GetIntArrayElements(intProps, NULL);
for (int j = 0; j < sz; j++) {
rule->intProperties.push_back(ie[j]);
}
globalEnv()->ReleaseIntArrayElements(intProps, ie, JNI_ABORT);
globalEnv()->DeleteLocalRef(intProps);
} else {
rule->intProperties.assign(sz, -1);
}
for (jsize i = 0; i < sz; i++) {
jobject prop = globalEnv()->GetObjectArrayElement(props, i);
std::string attr = getStringField(prop, RenderingRuleProperty_attrName);
RenderingRuleProperty* p = getProperty(attr.c_str());
rule->properties.push_back(p);
globalEnv()->DeleteLocalRef(prop);
}
globalEnv()->DeleteLocalRef(props);
if (ifChildren != NULL) {
sz = globalEnv()->CallIntMethod(ifChildren, List_size);
for (jsize i = 0; i < sz; i++) {
jobject o = globalEnv()->CallObjectMethod(ifChildren, List_get, i);
rule->ifChildren.push_back(*createRenderingRule(o));
globalEnv()->DeleteLocalRef(o);
}
globalEnv()->DeleteLocalRef(ifChildren);
}
if (ifElseChildren != NULL) {
sz = globalEnv()->CallIntMethod(ifElseChildren, List_size);
for (jsize i = 0; i < sz; i++) {
jobject o = globalEnv()->CallObjectMethod(ifElseChildren, List_get, i);
rule->ifElseChildren.push_back(*createRenderingRule(o));
globalEnv()->DeleteLocalRef(o);
}
globalEnv()->DeleteLocalRef(ifElseChildren);
}
return rule;
}
// Global object
RenderingRulesStorage* defaultStorage = NULL;
void RenderingRuleSearchRequest::initObject(jobject rrs) {
jsize sz;
jobjectArray oa = (jobjectArray) globalEnv()->GetObjectField(rrs, RenderingRuleSearchRequest_props);
sz = globalEnv()->GetArrayLength(oa);
std::vector<RenderingRuleProperty*> requestProps;
for (jsize i = 0; i < sz; i++) {
jobject prop = globalEnv()->GetObjectArrayElement(oa, i);
std::string attr = getStringField(prop, RenderingRuleProperty_attrName);
RenderingRuleProperty* p = storage->getProperty(attr.c_str());
requestProps.push_back(p);
globalEnv()->DeleteLocalRef(prop);
}
globalEnv()->DeleteLocalRef(oa);
sz = storage->getPropertiesSize();
{
values = new int[sz];
jintArray ia = (jintArray) globalEnv()->GetObjectField(rrs, RenderingRuleSearchRequest_values);
jint* ie = globalEnv()->GetIntArrayElements(ia, NULL);
for (int i = 0; i < sz; i++) {
values[requestProps.at(i)->id] = ie[i];
}
globalEnv()->ReleaseIntArrayElements(ia, ie, JNI_ABORT);
globalEnv()->DeleteLocalRef(ia);
}
{
fvalues = new float[sz];
jfloatArray ia = (jfloatArray) globalEnv()->GetObjectField(rrs, RenderingRuleSearchRequest_fvalues);
jfloat* ie = globalEnv()->GetFloatArrayElements(ia, NULL);
for (int i = 0; i < sz; i++) {
fvalues[requestProps.at(i)->id] = ie[i];
}
globalEnv()->ReleaseFloatArrayElements(ia, ie, JNI_ABORT);
globalEnv()->DeleteLocalRef(ia);
}
{
savedValues = new int[sz];
jintArray ia = (jintArray) globalEnv()->GetObjectField(rrs, RenderingRuleSearchRequest_values);
jint* ie = globalEnv()->GetIntArrayElements(ia, NULL);
for (int i = 0; i < sz; i++) {
savedValues[requestProps.at(i)->id] = ie[i];
}
globalEnv()->ReleaseIntArrayElements(ia, ie, JNI_ABORT);
globalEnv()->DeleteLocalRef(ia);
}
{
savedFvalues = new float[sz];
jfloatArray ia = (jfloatArray) globalEnv()->GetObjectField(rrs, RenderingRuleSearchRequest_fvalues);
jfloat* ie = globalEnv()->GetFloatArrayElements(ia, NULL);
for (int i = 0; i < sz; i++) {
savedFvalues[requestProps.at(i)->id] = ie[i];
}
globalEnv()->ReleaseFloatArrayElements(ia, ie, JNI_ABORT);
globalEnv()->DeleteLocalRef(ia);
}
}
RenderingRuleSearchRequest::RenderingRuleSearchRequest(jobject rrs) :
renderingRuleSearch(rrs) {
jobject storage = globalEnv()->GetObjectField(rrs, RenderingRuleSearchRequest_storage);
if (defaultStorage == NULL || defaultStorage->javaStorage != storage) {
// multi threadn will not work?
if (defaultStorage != NULL) {
delete defaultStorage;
}
defaultStorage = new RenderingRulesStorage(storage);
}
globalEnv()->DeleteLocalRef(storage);
this->storage = defaultStorage;
PROPS = new RenderingRulesStorageProperties(this->storage);
initObject(rrs);
clearState();
}
RenderingRuleSearchRequest::~RenderingRuleSearchRequest() {
delete PROPS;
delete[] fvalues;
delete[] values;
delete[] savedFvalues;
delete[] savedValues;
}
int RenderingRuleSearchRequest::getIntPropertyValue(RenderingRuleProperty* prop) {
if (prop == NULL) {
return 0;
}
return values[prop->id];
}
int RenderingRuleSearchRequest::getIntPropertyValue(RenderingRuleProperty* prop, int def) {
if (prop == NULL || values[prop->id] == -1) {
return def;
}
return values[prop->id];
}
std::string RenderingRuleSearchRequest::getStringPropertyValue(RenderingRuleProperty* prop) {
if (prop == NULL) {
return EMPTY_STRING;
}
int s = values[prop->id];
return storage->getDictionaryValue(s);
}
float RenderingRuleSearchRequest::getFloatPropertyValue(RenderingRuleProperty* prop) {
if (prop == NULL) {
return 0;
}
return fvalues[prop->id];
}
void RenderingRuleSearchRequest::setStringFilter(RenderingRuleProperty* p, std::string filter) {
if (p != NULL) {
// assert p->input;
values[p->id] = storage->getDictionaryValue(filter);
}
}
void RenderingRuleSearchRequest::setIntFilter(RenderingRuleProperty* p, int filter) {
if (p != NULL) {
// assert p->input;
values[p->id] = filter;
}
}
void RenderingRuleSearchRequest::clearIntvalue(RenderingRuleProperty* p) {
if (p != NULL) {
// assert !p->input;
values[p->id] = -1;
}
}
void RenderingRuleSearchRequest::setBooleanFilter(RenderingRuleProperty* p, bool filter) {
if (p != NULL) {
// assert p->input;
values[p->id] = filter ? TRUE_VALUE : FALSE_VALUE;
}
}
RenderingRulesStorageProperties* RenderingRuleSearchRequest::props() {
return PROPS;
}
bool RenderingRuleSearchRequest::searchRule(int state) {
return search(state, true);
}
bool RenderingRuleSearchRequest::search(int state, bool loadOutput) {
searchResult = false;
int tagKey = values[PROPS->R_TAG->id];
int valueKey = values[PROPS->R_VALUE->id];
bool result = searchInternal(state, tagKey, valueKey, loadOutput);
if (result) {
searchResult = true;
return true;
}
result = searchInternal(state, tagKey, 0, loadOutput);
if (result) {
searchResult = true;
return true;
}
result = searchInternal(state, 0, 0, loadOutput);
if (result) {
searchResult = true;
return true;
}
return false;
}
bool RenderingRuleSearchRequest::searchInternal(int state, int tagKey, int valueKey, bool loadOutput) {
values[PROPS->R_TAG->id] = tagKey;
values[PROPS->R_VALUE->id] = valueKey;
RenderingRule* accept = storage->getRule(state, tagKey, valueKey);
if (accept == NULL) {
return false;
}
bool match = visitRule(accept, loadOutput);
return match;
}
bool RenderingRuleSearchRequest::visitRule(RenderingRule* rule, bool loadOutput) {
std::vector<RenderingRuleProperty*> properties = rule->properties;
int propLen = rule->properties.size();
for (int i = 0; i < propLen; i++) {
RenderingRuleProperty* rp = properties[i];
if (rp != NULL && rp->input) {
bool match;
if (rp->isFloat()) {
match = rule->floatProperties[i] == fvalues[rp->id];
} else if (rp == PROPS->R_MINZOOM) {
match = rule->intProperties[i] <= values[rp->id];
} else if (rp == PROPS->R_MAXZOOM) {
match = rule->intProperties[i] >= values[rp->id];
} else {
match = rule->intProperties[i] == values[rp->id];
}
if (!match) {
return false;
}
}
}
if (!loadOutput) {
return true;
}
// accept it
for (int i = 0; i < propLen; i++) {
RenderingRuleProperty* rp = properties[i];
if (rp != NULL && !rp->input) {
searchResult = true;
if (rp->isFloat()) {
fvalues[rp->id] = rule->floatProperties[i];
} else {
values[rp->id] = rule->intProperties[i];
}
}
}
size_t j;
for (j = 0; j < rule->ifElseChildren.size(); j++) {
bool match = visitRule(&rule->ifElseChildren.at(j), loadOutput);
if (match) {
break;
}
}
for (j = 0; j < rule->ifChildren.size(); j++) {
visitRule(&rule->ifChildren.at(j), loadOutput);
}
return true;
}
void RenderingRuleSearchRequest::clearState() {
memcpy(values, savedValues, storage->getPropertiesSize() * sizeof(int));
memcpy(fvalues, savedFvalues, storage->getPropertiesSize() * sizeof(float));
}
void RenderingRuleSearchRequest::setInitialTagValueZoom(std::string tag, std::string value, int zoom) {
clearState();
setIntFilter(PROPS->R_MINZOOM, zoom);
setIntFilter(PROPS->R_MAXZOOM, zoom);
setStringFilter(PROPS->R_TAG, tag);
setStringFilter(PROPS->R_VALUE, value);
}
void RenderingRuleSearchRequest::setTagValueZoomLayer(std::string tag, std::string val, int zoom, int layer) {
setIntFilter(PROPS->R_MINZOOM, zoom);
setIntFilter(PROPS->R_MAXZOOM, zoom);
setIntFilter(PROPS->R_LAYER, layer);
setStringFilter(PROPS->R_TAG, tag);
setStringFilter(PROPS->R_VALUE, val);
}
RenderingRuleSearchRequest* initSearchRequest(jobject renderingRuleSearchRequest) {
return new RenderingRuleSearchRequest(renderingRuleSearchRequest);
}
void loadJNIRenderingRules() {
RenderingRuleClass = globalRef(globalEnv()->FindClass("net/osmand/render/RenderingRule"));
RenderingRule_properties = globalEnv()->GetFieldID(RenderingRuleClass, "properties",
"[Lnet/osmand/render/RenderingRuleProperty;");
RenderingRule_intProperties = globalEnv()->GetFieldID(RenderingRuleClass, "intProperties", "[I");
RenderingRule_floatProperties = globalEnv()->GetFieldID(RenderingRuleClass, "floatProperties", "[F");
RenderingRule_ifElseChildren = globalEnv()->GetFieldID(RenderingRuleClass, "ifElseChildren", "Ljava/util/List;");
RenderingRule_ifChildren = globalEnv()->GetFieldID(RenderingRuleClass, "ifChildren", "Ljava/util/List;");
RenderingRuleStoragePropertiesClass = globalRef(
globalEnv()->FindClass("net/osmand/render/RenderingRuleStorageProperties"));
RenderingRuleStorageProperties_rules = globalEnv()->GetFieldID(RenderingRuleStoragePropertiesClass, "rules",
"Ljava/util/List;");
RenderingRulePropertyClass = globalRef(globalEnv()->FindClass("net/osmand/render/RenderingRuleProperty"));
RenderingRuleProperty_type = globalEnv()->GetFieldID(RenderingRulePropertyClass, "type", "I");
RenderingRuleProperty_input = globalEnv()->GetFieldID(RenderingRulePropertyClass, "input", "Z");
RenderingRuleProperty_attrName = globalEnv()->GetFieldID(RenderingRulePropertyClass, "attrName",
"Ljava/lang/String;");
RenderingRulesStorageClass = globalRef(globalEnv()->FindClass("net/osmand/render/RenderingRulesStorage"));
RenderingRulesStorageClass_dictionary = globalEnv()->GetFieldID(RenderingRulesStorageClass, "dictionary",
"Ljava/util/List;");
RenderingRulesStorage_PROPS = globalEnv()->GetFieldID(RenderingRulesStorageClass, "PROPS",
"Lnet/osmand/render/RenderingRuleStorageProperties;");
RenderingRulesStorage_getRules = globalEnv()->GetMethodID(RenderingRulesStorageClass, "getRules",
"(I)[Lnet/osmand/render/RenderingRule;");
ListClass = globalRef(globalEnv()->FindClass("java/util/List"));
List_size = globalEnv()->GetMethodID(ListClass, "size", "()I");
List_get = globalEnv()->GetMethodID(ListClass, "get", "(I)Ljava/lang/Object;");
RenderingRuleSearchRequestClass = globalRef(globalEnv()->FindClass("net/osmand/render/RenderingRuleSearchRequest"));
RenderingRuleSearchRequest_storage = globalEnv()->GetFieldID(RenderingRuleSearchRequestClass, "storage",
"Lnet/osmand/render/RenderingRulesStorage;");
RenderingRuleSearchRequest_props = globalEnv()->GetFieldID(RenderingRuleSearchRequestClass, "props",
"[Lnet/osmand/render/RenderingRuleProperty;");
RenderingRuleSearchRequest_values = globalEnv()->GetFieldID(RenderingRuleSearchRequestClass, "values", "[I");
RenderingRuleSearchRequest_fvalues = globalEnv()->GetFieldID(RenderingRuleSearchRequestClass, "fvalues", "[F");
RenderingRuleSearchRequest_savedValues = globalEnv()->GetFieldID(RenderingRuleSearchRequestClass, "savedValues",
"[I");
RenderingRuleSearchRequest_savedFvalues = globalEnv()->GetFieldID(RenderingRuleSearchRequestClass, "savedFvalues",
"[F");
}
void unloadJniRenderRules() {
globalEnv()->DeleteGlobalRef(RenderingRuleSearchRequestClass);
globalEnv()->DeleteGlobalRef(RenderingRuleClass);
globalEnv()->DeleteGlobalRef(RenderingRulePropertyClass);
globalEnv()->DeleteGlobalRef(RenderingRuleStoragePropertiesClass);
globalEnv()->DeleteGlobalRef(RenderingRulesStorageClass);
globalEnv()->DeleteGlobalRef(ListClass);
}
#endif