feat: allow empty input_pre and output_pre

judger/uoj_judger/include/uoj_judger.h

@@ -50,6 +50,44 @@ inline string htmlspecialchars(const string &s) {
 	return r;
 }
 
+// trim from start (in place)
+inline void ltrim(std::string &s) {
+    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
+        return !std::isspace(ch);
+    }));
+}
+
+// trim from end (in place)
+inline void rtrim(std::string &s) {
+    s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) {
+        return !std::isspace(ch);
+    }).base(), s.end());
+}
+
+// trim from both ends (in place)
+inline void trim(std::string &s) {
+    rtrim(s);
+    ltrim(s);
+}
+
+// trim from start (copying)
+inline std::string ltrim_copy(std::string s) {
+    ltrim(s);
+    return s;
+}
+
+// trim from end (copying)
+inline std::string rtrim_copy(std::string s) {
+    rtrim(s);
+    return s;
+}
+
+// trim from both ends (copying)
+inline std::string trim_copy(std::string s) {
+    trim(s);
+    return s;
+}
+
 /*========================== random  ====================== */
 
 inline string gen_token() {
@@ -679,14 +717,22 @@ void print_config() {
 }
 void load_config(const string &filename) {
 	ifstream fin(filename.c_str());
+
 	if (!fin) {
 		return;
 	}
-	string key;
-	string val;
-	while (fin >> key >> val) {
-		config[key] = val;
+
+	string key, val;
+
+	// the first token of a line is key, the rest is value
+	while (fin >> key) {
+		getline(fin, val);
+		config[key] = trim_copy(val);
 	}
+
+	// while (fin >> key >> val) {
+	// 	config[key] = val;
+	// }
 }
 string conf_str(const string &key, int num, const string &val) {
 	ostringstream sout;
@@ -759,7 +805,7 @@ string conf_input_file_name(int num) {
 	if (num < 0) {
 		name << "ex_";
 	}
-	name << conf_str("input_pre", "input") << abs(num) << "." << conf_str("input_suf", "txt");
+	name << conf_str("input_pre", "") << abs(num) << "." << conf_str("input_suf", "in");
 	return name.str();
 }
 string conf_output_file_name(int num) {
@@ -768,7 +814,7 @@ string conf_output_file_name(int num) {
 	if (num < 0) {
 		name << "ex_";
 	}
-	name << conf_str("output_pre", "output") << abs(num) << "." << conf_str("output_suf", "txt");
+	name << conf_str("output_pre", "") << abs(num) << "." << conf_str("output_suf", "out");
 	return name.str();
 }
 runp::limits_t conf_run_limit(string pre, const int &num, const runp::limits_t &val) {

judger/uoj_judger/include/uoj_judger_v2.h

@@ -59,6 +59,44 @@ inline string list_to_string(const T &list) {
 	return sout.str();
 }
 
+// trim from start (in place)
+inline void ltrim(std::string &s) {
+    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
+        return !std::isspace(ch);
+    }));
+}
+
+// trim from end (in place)
+inline void rtrim(std::string &s) {
+    s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) {
+        return !std::isspace(ch);
+    }).base(), s.end());
+}
+
+// trim from both ends (in place)
+inline void trim(std::string &s) {
+    rtrim(s);
+    ltrim(s);
+}
+
+// trim from start (copying)
+inline std::string ltrim_copy(std::string s) {
+    ltrim(s);
+    return s;
+}
+
+// trim from end (copying)
+inline std::string rtrim_copy(std::string s) {
+    rtrim(s);
+    return s;
+}
+
+// trim from both ends (copying)
+inline std::string trim_copy(std::string s) {
+    trim(s);
+    return s;
+}
+
 /*========================== random  ====================== */
 
 inline string gen_token() {
@@ -463,13 +501,22 @@ void print_config() {
 }
 void load_config(const string &filename) {
 	ifstream fin(filename.c_str());
+
 	if (!fin) {
 		return;
 	}
+
 	string key, val;
-	while (fin >> key >> val) {
-		uconfig[key] = val;
+
+	// the first token of a line is key, the rest is value
+	while (fin >> key) {
+		getline(fin, val);
+		uconfig[key] = trim_copy(val);
 	}
+
+	// while (fin >> key >> val) {
+	// 	uconfig[key] = val;
+	// }
 }
 string conf_str(const string &key, int num, const string &val) {
 	ostringstream sout;
@@ -535,7 +582,7 @@ string conf_input_file_name(int num) {
 	if (num < 0) {
 		name << "ex_";
 	}
-	name << conf_str("input_pre", "input") << abs(num) << "." << conf_str("input_suf", "txt");
+	name << conf_str("input_pre", "") << abs(num) << "." << conf_str("input_suf", "in");
 	return name.str();
 }
 string conf_output_file_name(int num) {
@@ -543,7 +590,7 @@ string conf_output_file_name(int num) {
 	if (num < 0) {
 		name << "ex_";
 	}
-	name << conf_str("output_pre", "output") << abs(num) << "." << conf_str("output_suf", "txt");
+	name << conf_str("output_pre", "") << abs(num) << "." << conf_str("output_suf", "out");
 	return name.str();
 }
 runp::limits_t conf_run_limit(string pre, const int &num, const runp::limits_t &val) {

web/app/libs/uoj-judger-lib.php

@@ -67,16 +67,16 @@ function getUOJConfVal($conf, $key, $default_val) {
 }
 
 function getUOJProblemInputFileName($problem_conf, $num) {
-	return getUOJConfVal($problem_conf, 'input_pre', 'input') . $num . '.' . getUOJConfVal($problem_conf, 'input_suf', 'txt');
+	return getUOJConfVal($problem_conf, 'input_pre', '') . $num . '.' . getUOJConfVal($problem_conf, 'input_suf', 'in');
 }
 function getUOJProblemOutputFileName($problem_conf, $num) {
-	return getUOJConfVal($problem_conf, 'output_pre', 'output') . $num . '.' . getUOJConfVal($problem_conf, 'output_suf', 'txt');
+	return getUOJConfVal($problem_conf, 'output_pre', '') . $num . '.' . getUOJConfVal($problem_conf, 'output_suf', 'out');
 }
 function getUOJProblemExtraInputFileName($problem_conf, $num) {
-	return 'ex_' . getUOJConfVal($problem_conf, 'input_pre', 'input') . $num . '.' . getUOJConfVal($problem_conf, 'input_suf', 'txt');
+	return 'ex_' . getUOJConfVal($problem_conf, 'input_pre', '') . $num . '.' . getUOJConfVal($problem_conf, 'input_suf', 'in');
 }
 function getUOJProblemExtraOutputFileName($problem_conf, $num) {
-	return 'ex_' . getUOJConfVal($problem_conf, 'output_pre', 'output') . $num . '.' . getUOJConfVal($problem_conf, 'output_suf', 'txt');
+	return 'ex_' . getUOJConfVal($problem_conf, 'output_pre', '') . $num . '.' . getUOJConfVal($problem_conf, 'output_suf', 'out');
 }
 
 function updateBestACSubmissions($username, $problem_id) {

web/app/models/StrictFileReader.php

@@ -1,65 +1,81 @@
 <?php
 
 class StrictFileReader {
-    private $f;
-    private $buf = '', $off = 0;
+	private $f;
+	private $buf = '', $off = 0;
 
-    public function __construct($file_name) {
-        $this->f = fopen($file_name, 'r');
-    }
+	public function __construct($file_name) {
+		$this->f = fopen($file_name, 'r');
+	}
 
-    public function failed() {
-        return $this->f === false;
-    }
+	public function failed() {
+		return $this->f === false;
+	}
 
-    public function readChar() {
-        if (isset($this->buf[$this->off])) {
-            return $this->buf[$this->off++];
-        }
-        return fgetc($this->f);
-    }
-    public function unreadChar($c) {
-        $this->buf .= $c;
-        if ($this->off > 1000) {
-            $this->buf = substr($this->buf, $this->off);
-            $this->off = 0;
-        }
-    }
+	public function readChar() {
+		if (isset($this->buf[$this->off])) {
+			return $this->buf[$this->off++];
+		}
+		return fgetc($this->f);
+	}
+	public function unreadChar($c) {
+		$this->buf .= $c;
+		if ($this->off > 1000) {
+			$this->buf = substr($this->buf, $this->off);
+			$this->off = 0;
+		}
+	}
 
-    public function readString() {
-        $str = '';
-        while (true) {
-            $c = $this->readChar();
-            if ($c === false) {
-                break;
-            } elseif ($c === " " || $c === "\n" || $c === "\r") {
-                $this->unreadChar($c);
-                break;
-            } else {
-                $str .= $c;
-            }
-        }
-        return $str;
-    }
-    public function ignoreWhite() {
-        while (true) {
-            $c = $this->readChar();
-            if ($c === false) {
-                break;
-            } elseif ($c === " " || $c === "\n" || $c === "\r") {
-                continue;
-            } else {
-                $this->unreadChar($c);
-                break;
-            }
-        }
-    }
+	public function readString() {
+		$str = '';
+		while (true) {
+			$c = $this->readChar();
+			if ($c === false) {
+				break;
+			} elseif ($c === " " || $c === "\n" || $c === "\r") {
+				$this->unreadChar($c);
+				break;
+			} else {
+				$str .= $c;
+			}
+		}
+		return $str;
+	}
 
-    public function eof() {
-        return feof($this->f);
-    }
+	public function readLine() {
+		$str = '';
+		while (true) {
+			$c = $this->readChar();
+			if ($c === false) {
+				break;
+			} elseif ($c === "\n") {
+				break;
+			} else {
+				$str .= $c;
+			}
+		}
+		return $str;
+	}
 
-    public function close() {
-        fclose($this->f);
-    }
+	public function ignoreWhite() {
+		while (true) {
+			$c = $this->readChar();
+			if ($c === false) {
+				break;
+			} elseif ($c === " " || $c === "\n" || $c === "\r") {
+				continue;
+			} else {
+				$this->unreadChar($c);
+				break;
+			}
+		}
+	}
+
+	public function eof() {
+		return feof($this->f);
+	}
+
+	public function close() {
+		fclose($this->f);
+	}
 }

web/app/models/UOJProblemConf.php

@@ -10,24 +10,28 @@ class UOJProblemConf {
 		}
 
 		$conf = [];
+
 		while (!$reader->eof()) {
 			$reader->ignoreWhite();
-			$key = $reader->readString();
-			if ($key === '') {
-				break;
-			}
-			$reader->ignoreWhite();
-			$val = $reader->readString();
-			if ($val === '') {
+
+			$line = $reader->readLine();
+			$line = explode(' ', $line);
+
+			$key = array_shift($line);
+
+			if (!$key) {
 				break;
 			}
 
 			if (isset($conf[$key])) {
 				return -2;
 			}
-			$conf[$key] = $val;
+
+			$conf[$key] = trim(implode(' ', $line));
 		}
+
 		$reader->close();
+
 		return new UOJProblemConf($conf);
 	}
 
@@ -37,9 +41,11 @@ class UOJProblemConf {
 
 	public function putToFile($file_name) {
 		$f = fopen($file_name, 'w');
+
 		foreach ($this->conf as $key => $val) {
 			fwrite($f, "{$key} {$val}\n");
 		}
+
 		fclose($f);
 	}
 
@@ -55,15 +61,16 @@ class UOJProblemConf {
 				return $this->conf[$key];
 			}
 		}
+
 		return $default_val;
 	}
 
 	public function getInputFileName($num) {
-		return $this->getVal('input_pre', 'input') . $num . '.' . $this->getVal('input_suf', 'txt');
+		return $this->getVal('input_pre', '') . $num . '.' . $this->getVal('input_suf', 'txt');
 	}
 
 	public function getOutputFileName($num) {
-		return $this->getVal('output_pre', 'output') . $num . '.' . $this->getVal('output_suf', 'txt');
+		return $this->getVal('output_pre', '') . $num . '.' . $this->getVal('output_suf', 'txt');
 	}
 
 	public function getExtraInputFileName($num) {

web/app/models/UOJProblemConfigure.php

@@ -85,10 +85,10 @@ class UOJProblemConfigure {
 		$this->simple_form->appendHTML(static::getCardFooter());
 
 		$this->simple_form->appendHTML(static::getCardHeader('文件配置'));
-		$this->addTextInput($this->simple_form, 'input_pre', '输入文件名称', '');
-		$this->addTextInput($this->simple_form, 'input_suf', '输入文件后缀', '');
-		$this->addTextInput($this->simple_form, 'output_pre', '输出文件名称', '');
-		$this->addTextInput($this->simple_form, 'output_suf', '输出文件后缀', '');
+		$this->addTextInput($this->simple_form, 'input_pre', '输入文件名称', '', ['validator_php' => fn ($x) => '']);
+		$this->addTextInput($this->simple_form, 'input_suf', '输入文件后缀', 'in', ['validator_php' => fn ($x) => '']);
+		$this->addTextInput($this->simple_form, 'output_pre', '输出文件名称', '', ['validator_php' => fn ($x) => '']);
+		$this->addTextInput($this->simple_form, 'output_suf', '输出文件后缀', 'out', ['validator_php' => fn ($x) => '']);
 		$this->simple_form->appendHTML(static::getCardFooter());
 
 		$this->simple_form->appendHTML(static::getCardHeader('运行时限制'));
@@ -227,7 +227,7 @@ class UOJProblemConfigure {
 
 	public function addNumberInput(UOJForm $form, $key, $label, $default_val = '', $cfg = []) {
 		$this->conf_keys[$key] = true;
-		$form->addInput($key, [
+		$form->addInput($key,  $cfg + [
 			'type' => 'number',
 			'label' => $label,
 			'div_class' => 'row gx-2',
@@ -237,7 +237,7 @@ class UOJProblemConfigure {
 			'validator_php' => function ($x) {
 				return validateInt($x) ? '' : '必须为一个整数';
 			},
-		] + $cfg);
+		]);
 		$form->appendHTML(<<<EOD
 		<script>
 			$('#input-{$key}').change(function() {
@@ -250,7 +250,7 @@ class UOJProblemConfigure {
 
 	public function addTimeLimitInput(UOJForm $form, $key, $label, $default_val = '', $cfg = []) {
 		$this->conf_keys[$key] = true;
-		$form->addInput($key, [
+		$form->addInput($key,  $cfg + [
 			'type' => 'number',
 			'label' => $label,
 			'input_attrs' => ['step' => 0.001],
@@ -267,7 +267,7 @@ class UOJProblemConfigure {
 					return '';
 				}
 			},
-		] + $cfg);
+		]);
 		$form->appendHTML(<<<EOD
 		<script>
 			$('#input-{$key}').change(function() {
@@ -280,7 +280,7 @@ class UOJProblemConfigure {
 
 	public function addTextInput(UOJForm $form, $key, $label, $default_val = '', $cfg = []) {
 		$this->conf_keys[$key] = true;
-		$form->addInput($key, [
+		$form->addInput($key, $cfg + [
 			'label' => $label,
 			'div_class' => 'row gx-2',
 			'label_class' => 'col-form-label col-4',
@@ -289,7 +289,7 @@ class UOJProblemConfigure {
 			'validator_php' => function ($x) {
 				return ctype_graph($x) ? '' : '必须仅包含除空格以外的可见字符';
 			},
-		] + $cfg);
+		]);
 		$form->appendHTML(<<<EOD
 		<script>
 			$('#input-{$key}').change(function() {