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Code Issues 121 Wiki Activity

scn parsing with directive and trainset matching

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This commit is contained in:
milek7
2019-08-10 12:00:37 +02:00
parent 84d2065a8a
commit da6343166a
4 changed files with 51 additions and 10 deletions
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49
launcher/scenery_scanner.cpp
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@@ -1,5 +1,6 @@
#include "stdafx.h"
#include "scenery_scanner.h"
#include "Logs.h"
void scenery_scanner::scan()
{
@@ -10,24 +11,35 @@ void scenery_scanner::scan()
continue;
if (string_ends_with(path.string(), ".scn"))
scan_scn(path.string());
scan_scn(path);
}
std::sort(scenarios.begin(), scenarios.end(),
[](const scenery_desc &a, const scenery_desc &b) { return a.path < b.path; });
}
void scenery_scanner::scan_scn(std::string path)
void scenery_scanner::scan_scn(std::filesystem::path path)
{
scenarios.emplace_back();
scenery_desc &desc = scenarios.back();
desc.path = path;
std::ifstream stream(path, std::ios_base::binary | std::ios_base::in);
cParser parser(path.string(), cParser::buffer_FILE);
parser.expandIncludes = false;
while (!parser.eof()) {
parser.getTokens();
if (parser.peek() == "trainset")
parse_trainset(parser);
}
std::ifstream stream(path.string(), std::ios_base::binary | std::ios_base::in);
int line_counter = 0;
std::string line;
while (std::getline(stream, line))
{
line_counter++;
if (line.size() < 6 || !string_starts_with(line, "//$"))
continue;
@@ -49,9 +61,34 @@ void scenery_scanner::scan_scn(std::string path)
desc.links.push_back(std::make_pair(file, label));
}
else if (line[3] == 'o') {
desc.trainsets.emplace_back();
trainset_desc &trainset = desc.trainsets.back();
trainset.name = line.substr(5);
for (trainset_desc &trainset : desc.trainsets) {
if (line_counter < trainset.file_bounds.first
|| line_counter > trainset.file_bounds.second)
continue;
trainset.description = line.substr(5);
}
}
}
WriteLog(path.string() + "----------");
for (trainset_desc &trainset : desc.trainsets) {
WriteLog(trainset.name + "=" + std::to_string(trainset.file_bounds.first) + ":" + std::to_string(trainset.file_bounds.second) + "@" + trainset.description);
}
}
void scenery_scanner::parse_trainset(cParser &parser)
{
scenery_desc &desc = scenarios.back();
desc.trainsets.emplace_back();
trainset_desc &trainset = desc.trainsets.back();
trainset.file_bounds.first = parser.Line();
parser.getTokens(4);
parser >> trainset.name >> trainset.track >> trainset.offset >> trainset.velocity;
while (parser.peek() != "endtrainset")
parser.getTokens();
trainset.file_bounds.second = parser.Line();
}