TWRP-ify AOSP code
Pull in most TWRP sources
Stub out partition management code
Make it compile -- probably will not boot
Kind of a mess but have to start somewhere
diff --git a/gui/conditional.cpp b/gui/conditional.cpp
new file mode 100644
index 0000000..4e8a492
--- /dev/null
+++ b/gui/conditional.cpp
@@ -0,0 +1,203 @@
+// checkbox.cpp - GUICheckbox object
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/reboot.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <string>
+
+extern "C" {
+#include "../common.h"
+#include "../minuitwrp/minui.h"
+#include "../recovery_ui.h"
+#include "../variables.h"
+}
+
+#include "rapidxml.hpp"
+#include "objects.hpp"
+#include "../data.hpp"
+
+Conditional::Conditional(xml_node<>* node)
+{
+ // Break out early, it's too hard to check if valid every step
+ if (!node) return;
+
+ // First, get the action
+ xml_node<>* condition = node->first_node("conditions");
+ if (condition) condition = condition->first_node("condition");
+ else condition = node->first_node("condition");
+
+ if (!condition) return;
+
+ while (condition)
+ {
+ Condition cond;
+
+ cond.mCompareOp = "=";
+
+ xml_attribute<>* attr;
+ attr = condition->first_attribute("var1");
+ if (attr) cond.mVar1 = attr->value();
+
+ attr = condition->first_attribute("op");
+ if (attr) cond.mCompareOp = attr->value();
+
+ attr = condition->first_attribute("var2");
+ if (attr) cond.mVar2 = attr->value();
+
+ mConditions.push_back(cond);
+
+ condition = condition->next_sibling("condition");
+ }
+}
+
+bool Conditional::IsConditionVariable(std::string var)
+{
+ std::vector<Condition>::iterator iter;
+ for (iter = mConditions.begin(); iter != mConditions.end(); iter++)
+ {
+ if (iter->mVar1 == var) return true;
+ }
+ return false;
+}
+
+bool Conditional::isConditionTrue()
+{
+ std::vector<Condition>::iterator iter;
+ for (iter = mConditions.begin(); iter != mConditions.end(); iter++)
+ {
+ if (!isConditionTrue(&(*iter))) return false;
+ }
+ return true;
+}
+
+bool Conditional::isConditionTrue(Condition* condition)
+{
+ // This is used to hold the proper value of "true" based on the '!' NOT flag
+ bool bTrue = true;
+
+ if (condition->mVar1.empty()) return bTrue;
+
+ if (!condition->mCompareOp.empty() && condition->mCompareOp[0] == '!')
+ bTrue = false;
+
+ if (condition->mVar2.empty() && condition->mCompareOp != "modified")
+ {
+ if (!DataManager::GetStrValue(condition->mVar1).empty())
+ return bTrue;
+
+ return !bTrue;
+ }
+
+ string var1, var2;
+ if (DataManager::GetValue(condition->mVar1, var1))
+ var1 = condition->mVar1;
+ if (DataManager::GetValue(condition->mVar2, var2))
+ var2 = condition->mVar2;
+
+ // This is a special case, we stat the file and that determines our result
+ if (var1 == "fileexists")
+ {
+ struct stat st;
+ if (stat(var2.c_str(), &st) == 0)
+ var2 = var1;
+ else
+ var2 = "FAILED";
+ }
+ if (var1 == "mounted")
+ {
+ if (isMounted(condition->mVar2))
+ var2 = var1;
+ else
+ var2 = "FAILED";
+ }
+
+ if (condition->mCompareOp.find('=') != string::npos && var1 == var2)
+ return bTrue;
+
+ if (condition->mCompareOp.find('>') != string::npos && (atof(var1.c_str()) > atof(var2.c_str())))
+ return bTrue;
+
+ if (condition->mCompareOp.find('<') != string::npos && (atof(var1.c_str()) < atof(var2.c_str())))
+ return bTrue;
+
+ if (condition->mCompareOp == "modified")
+ {
+ // This is a hack to allow areas to reset the default value
+ if (var1.empty())
+ {
+ condition->mLastVal = var1;
+ return !bTrue;
+ }
+
+ if (var1 != condition->mLastVal)
+ return bTrue;
+ }
+
+ return !bTrue;
+}
+
+bool Conditional::isConditionValid()
+{
+ return !mConditions.empty();
+}
+
+void Conditional::NotifyPageSet()
+{
+ std::vector<Condition>::iterator iter;
+ for (iter = mConditions.begin(); iter != mConditions.end(); iter++)
+ {
+ if (iter->mCompareOp == "modified")
+ {
+ string val;
+
+ // If this fails, val will not be set, which is perfect
+ if (DataManager::GetValue(iter->mVar1, val))
+ {
+ DataManager::SetValue(iter->mVar1, "");
+ DataManager::GetValue(iter->mVar1, val);
+ }
+ iter->mLastVal = val;
+ }
+ }
+}
+
+bool Conditional::isMounted(string vol)
+{
+ FILE *fp;
+ char tmpOutput[255];
+
+ if (strcmp(vol.c_str(), "EXTERNAL") == 0)
+ DataManager::GetValue(TW_EXTERNAL_MOUNT, vol);
+ else if (strcmp(vol.c_str(), "INTERNAL") == 0)
+ DataManager::GetValue(TW_INTERNAL_MOUNT, vol);
+ fp = fopen("/proc/mounts", "rt");
+ while (fgets(tmpOutput,255,fp) != NULL)
+ {
+ char* mnt = tmpOutput;
+ while (*mnt > 32) mnt++;
+ while (*mnt > 0 && *mnt <= 32) mnt++;
+ char* pos = mnt;
+ while (*pos > 32) pos++;
+ *pos = 0;
+ if (vol == mnt)
+ {
+ fclose(fp);
+ return true;
+ }
+ }
+ fclose(fp);
+ return false;
+}
+