From 222c3e43be897a918a1c02fd1b24d1f5e6f34275 Mon Sep 17 00:00:00 2001
From: Venelin <venelin98@abv.bg>
Date: Sat, 25 Feb 2023 18:24:43 +0200
Subject: [PATCH] parser with preprocessing works

---
 src/parser.cpp | 58 +++++++++++++++++++++++++++-----------------------
 1 file changed, 31 insertions(+), 27 deletions(-)

diff --git a/src/parser.cpp b/src/parser.cpp
index 52bc768..2a5246a 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -27,14 +27,13 @@ namespace /* internal */
 		}
 	};
 
-	char* it_data;
 	char* end_data;				/* past the end pointer */
 	unsigned line = 1;
+	pair<person_id, person_id> prev_parents(Nobody, Nobody);
 
 	/* state */
-	void (*state)();			/* current state */
-	void state_neutral();
-	void state_person();
+	void state_neutral(char* it_data);
+	void state_person(char*& it_data);
 	/* void state_person_attribute() */
 
 	/* result */
@@ -54,7 +53,7 @@ namespace /* internal */
 		exit(1);
 	}
 
-	void proceedToNameEnd()
+	void proceedToNameEnd(char*& it_data)
 	{
 		while(it_data < end_data &&
 			  *it_data != ',' &&
@@ -67,7 +66,7 @@ namespace /* internal */
 
 	}
 
-	Sex findSex()
+	Sex findSex(char*& it_data)
 	{
 		Sex res = M;
 		if(*it_data == ',')
@@ -87,7 +86,7 @@ namespace /* internal */
 		return res;
 	}
 
-	I32 processDatePart()
+	I32 processDatePart(char*& it_data)
 	{
 		I32 sign = 1;
 		I32 val = 0;
@@ -118,25 +117,25 @@ namespace /* internal */
 		unexpected_end();
 	}
 
-	EventTime processDate()		/* todo validate  */
+	EventTime processDate(char*& it_data)		/* todo validate  */
 	{
 		EventTime date;
-		date.year = processDatePart();
+		date.year = processDatePart(it_data);
 		if(*it_data == '.')
 		{
 			++it_data;
-			date.month = processDatePart();
+			date.month = processDatePart(it_data);
 
 			if(*it_data == '.')
 			{
 				++it_data;
-				date.day = processDatePart();
+				date.day = processDatePart(it_data);
 			}
 		}
 		return date;
 	}
 
-	pair<person_id, person_id> processParents()
+	pair<person_id, person_id> processParents(char*& it_data)
 	{
 		pair<person_id, person_id> res(Nobody, Nobody);
 		string name;			/* todo dont use string */
@@ -144,7 +143,6 @@ namespace /* internal */
 		{
 			switch(*it_data)
 			{
-			/* case '-':todo */
 			case ',':
 				if(res.first == Nobody)
 					res.first = cur_tree->findId(name.data());
@@ -154,13 +152,18 @@ namespace /* internal */
 					/* todo */exit(1);
 				name.clear();
 				break;
+			case '-':
+				if(name.empty() && res.first == Nobody)
+					return prev_parents;
+				else
+					unexpected_char('-');
 			case '\n':
 				++line;
 				if(res.first == Nobody)
 					res.first = cur_tree->findId(name.data());
 				else
 					res.second = cur_tree->findId(name.data());
-				return res;
+				return prev_parents = res;
 			default:
 				name.push_back(*it_data);
 			}
@@ -168,7 +171,7 @@ namespace /* internal */
 
 	}
 
-	vector<person_id> parseSpouses()
+	vector<person_id> parseSpouses(char*& it_data)
 	{
 		vector<person_id> res;
 		string name;
@@ -198,14 +201,14 @@ namespace /* internal */
 		return res;
 	}
 
-	void state_neutral()
+	void state_neutral(char* it_data)
 	{
 		for(; it_data < end_data; ++it_data)
 		{
 			switch(*it_data)
 			{
 			default:
-				state_person();
+				state_person(it_data);
 				break;
 			case '\n':
 				++line;
@@ -219,7 +222,7 @@ namespace /* internal */
 		}
 	}
 
-	void state_person()
+	void state_person(char*& it_data)
 	{
 		char* name_start = it_data;
 		pair<person_id, person_id> parents(Nobody, Nobody);
@@ -227,11 +230,11 @@ namespace /* internal */
 		EventTime birth{};
 		EventTime death{};
 
-		proceedToNameEnd();
+		proceedToNameEnd(it_data);
 		/* string_view name(name_start, it_data); */
 		string name(name_start, it_data);
 
-		Sex sex = findSex();
+		Sex sex = findSex(it_data);
 
 		for(; it_data < end_data; ++it_data)
 		{
@@ -247,19 +250,19 @@ namespace /* internal */
 					{
 					case 'b':
 						it_data += 2;
-						birth = processDate();
+						birth = processDate(it_data);
 						break;
 					case 'd':
 						it_data += 2;
-						death = processDate();
+						death = processDate(it_data);
 						break;
 					case 'p':
 						it_data += 2;
-						parents = processParents();
+						parents = processParents(it_data);
 						break;
 					case 's':
 						it_data += 2;
-						spouses = parseSpouses();
+						spouses = parseSpouses(it_data);
 						break;
 					default:
 						unexpected_char(it_data[-1]);
@@ -282,6 +285,9 @@ namespace /* internal */
 				/* break; */
 			}
 		}
+		cur_tree->addPerson(name.c_str(), sex, parents.first, parents.second, birth, death);
+		for(person_id spouse: spouses)
+			cur_tree->addRelation(spouse, Spouse, cur_tree->last());
 	}
 
 	alloced preprocess(MappedFile file) /* remove whitespace and comments */
@@ -320,10 +326,8 @@ Tree parseTftFile(MappedFile file)
 	cur_tree = &result;
 
 	alloced preprocessed = preprocess(file);
-	it_data = preprocessed.data;
-	/* end_data = preprocessed.end; */
 
-	state_neutral();
+	state_neutral(preprocessed.data);
 
 	return result;
 }