1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
// object.cpp - GUIObject base class
#include <stdio.h>
#include <stdlib.h>
#include <string>
extern "C" {
#include "../twcommon.h"
#include "../variables.h"
}
#include "rapidxml.hpp"
#include "objects.hpp"
#include "../data.hpp"
GUIObject::GUIObject(xml_node<>* node)
{
mConditionsResult = true;
if (node)
LoadConditions(node, mConditions);
}
void GUIObject::LoadConditions(xml_node<>* node, std::vector<Condition>& conditions)
{
xml_node<>* condition = FindNode(node, "conditions");
if (condition) condition = FindNode(condition, "condition");
else condition = FindNode(node, "condition");
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();
conditions.push_back(cond);
condition = condition->next_sibling("condition");
}
}
GUIObject::~GUIObject()
{
}
bool GUIObject::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 GUIObject::isConditionTrue()
{
return mConditionsResult;
}
bool GUIObject::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;
if (var2.substr(0, 2) == "{@")
// translate resource string in value
var2 = gui_parse_text(var2);
// 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 GUIObject::isConditionValid()
{
return !mConditions.empty();
}
int GUIObject::NotifyVarChange(const std::string& varName, const std::string& value __unused)
{
mConditionsResult = UpdateConditions(mConditions, varName);
return 0;
}
bool GUIObject::UpdateConditions(std::vector<Condition>& conditions, const std::string& varName)
{
bool result = true;
const bool varNameEmpty = varName.empty();
std::vector<Condition>::iterator iter;
for (iter = conditions.begin(); iter != conditions.end(); ++iter)
{
if(varNameEmpty && 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;
}
if(varNameEmpty || iter->mVar1 == varName || iter->mVar2 == varName)
iter->mLastResult = isConditionTrue(&(*iter));
if(!iter->mLastResult)
result = false;
}
return result;
}
bool GUIObject::isMounted(string vol)
{
FILE *fp;
char tmpOutput[255];
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;
}
|
