Lucas de Vries
149 lines
2.8 KiB
ActionScript 3
149 lines
2.8 KiB
ActionScript 3
//Loads a datafile into a logical structure that can be mutated, then
|
|
//dumped back into the datafile properly.
|
|
|
|
class FileDesc {
|
|
array<LineDesc@> lines;
|
|
bool exists = false;
|
|
|
|
FileDesc() {}
|
|
FileDesc(const string& filename) {
|
|
load(filename);
|
|
}
|
|
|
|
bool opEquals(const FileDesc& other) const {
|
|
if(lines.length != other.lines.length)
|
|
return false;
|
|
for(uint i = 0, cnt = lines.length; i < cnt; ++i) {
|
|
if(lines[i] != other.lines[i])
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void load(const string& filename) {
|
|
clear();
|
|
if(fileExists(filename)) {
|
|
exists = true;
|
|
ReadFile f(filename, true);
|
|
f.skipEmpty = false;
|
|
f.skipComments = false;
|
|
|
|
while(f++)
|
|
lines.insertLast(LineDesc(f));
|
|
while(lines.length != 0 && lines[lines.length-1].isEmpty && lines[lines.length-1].comment.length == 0)
|
|
lines.removeAt(lines.length-1);
|
|
}
|
|
}
|
|
|
|
void clear() {
|
|
lines.length = 0;
|
|
exists = false;
|
|
}
|
|
|
|
void save(const string& filename) {
|
|
WriteFile file(filename);
|
|
for(uint i = 0, cnt = lines.length; i < cnt; ++i)
|
|
lines[i].write(file);
|
|
}
|
|
|
|
string toString() const {
|
|
string str;
|
|
for(uint i = 0, cnt = lines.length; i < cnt; ++i)
|
|
str += lines[i].toString()+"\n";
|
|
return str;
|
|
}
|
|
};
|
|
|
|
class LineDesc {
|
|
bool isEmpty = false;
|
|
bool isKey = true;
|
|
uint indent = 0;
|
|
string line;
|
|
string key;
|
|
string value;
|
|
string comment;
|
|
|
|
LineDesc() {}
|
|
LineDesc(const ReadFile& f) {
|
|
indent = f.indent;
|
|
isKey = !f.fullLine;
|
|
|
|
if(isKey) {
|
|
key = f.key.trimmed();
|
|
value = f.value.trimmed();
|
|
line = f.line.trimmed();
|
|
isEmpty = false;
|
|
|
|
if(value.findFirst("\n") == -1) {
|
|
int pos = value.findFirst("//");
|
|
if(pos != -1) {
|
|
comment = value.substr(pos+2);
|
|
value = value.substr(0, pos);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
line = f.line.trimmed();
|
|
int pos = line.findFirst("//");
|
|
if(pos != -1) {
|
|
comment = line.substr(pos+2);
|
|
line = line.substr(0, pos);
|
|
}
|
|
|
|
line = line.trimmed();
|
|
isEmpty = line.length == 0;
|
|
}
|
|
}
|
|
|
|
bool opEquals(const LineDesc& other) const {
|
|
if(other.isEmpty != isEmpty)
|
|
return false;
|
|
if(other.isKey != isKey)
|
|
return false;
|
|
if(isKey) {
|
|
if(other.key != key)
|
|
return false;
|
|
if(other.value != value)
|
|
return false;
|
|
}
|
|
else {
|
|
if(other.line != line)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void write(WriteFile& file) {
|
|
if(isKey && value.length != 0) {
|
|
file.indent(indent);
|
|
file.writeKeyValue(key, value);
|
|
file.deindent(indent);
|
|
}
|
|
else
|
|
file.writeLine(toString());
|
|
}
|
|
|
|
string toString() const {
|
|
string str;
|
|
if(!isEmpty || comment.length != 0) {
|
|
for(uint i = 0; i < indent; ++i)
|
|
str += "\t";
|
|
}
|
|
if(!isEmpty) {
|
|
if(isKey) {
|
|
str += key+":";
|
|
if(value.length != 0)
|
|
str += " "+value;
|
|
}
|
|
else
|
|
str += line;
|
|
}
|
|
if(comment.length != 0) {
|
|
if(str.length != 0 && !isEmpty)
|
|
str += " ";
|
|
str += "//"+comment;
|
|
}
|
|
return str;
|
|
}
|
|
};
|