From 34f21050dd5947ebe5a61d02f43f9a57cb967108 Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Wed, 28 Apr 2021 16:49:03 +0000
Subject: add sort by age, refactor store of branch; remove 'branch.position',
 add 'branch.age_from' and 'branch.age_to' config parametres

---
 ctimeline.c | 99 ++++++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 59 insertions(+), 40 deletions(-)

diff --git a/ctimeline.c b/ctimeline.c
index ce0331d..505a683 100644
--- a/ctimeline.c
+++ b/ctimeline.c
@@ -6,39 +6,71 @@
 #include "xstring.h"
 
 #define COMMENT_CHAR '#'
+#define INIT_CAPACITY_LIST 8
 
 struct branch {
 	string *name;
-	string *position;
-	string *age;
+	int age_from;
+	int age_to;
 	string *desc;
 };
 
+struct branch_list {
+	struct branch *list;
+	int count;
+	int capacity;
+};
+
 struct branch_ll {
 	struct branch *branch;
 	struct branch_ll *prev;
 };
 
-struct branch_ll *first_branch;
+struct branch_list branches = { NULL, 0, 0 };
 struct branch *current_branch;
 
+void sort_branches_by_age()
+{
+	int i, j;
+	struct branch *i_ptr, *j_ptr;
+	struct branch tmp;
+
+	for(i = 0; i < branches.count; i++) {
+		i_ptr = &branches.list[i];
+		for(j = i+1; j < branches.count; j++) {
+			j_ptr = &branches.list[j];
+			if((j_ptr->age_from > i_ptr->age_from) ||
+						(j_ptr->age_to > i_ptr->age_to) ) {
+				tmp = *i_ptr;
+				*i_ptr = *j_ptr;
+				*j_ptr = tmp;
+			}
+		}
+	}
+}
+
 void emit_timeline_html()
 {
+	int i;
+	struct branch *ptr;
+
 	printf("\t<ul class=\"timeline\">\n");
 
-	struct branch_ll *ptr;
-	for(ptr = first_branch; ptr; ptr = ptr->prev) {
+	for(i = 0; i < branches.count; i++) {
+		ptr = &branches.list[i];
 		printf(
 		"\t<li>\n"
 			"\t\t<div class=\"direction-%s\">\n"
 				"\t\t\t<div class=\"flag-wrapper\">\n"
 					"\t\t\t\t<span class=\"flag\">%s</span>\n"
-					"\t\t\t\t<span class=\"time-wrapper\"><span class=\"time\">%s</span></span>\n"
+					"\t\t\t\t<span class=\"time-wrapper\"><span class=\"time\">%d-%d</span></span>\n"
 				"\t\t\t</div>\n"
 				"\t\t\t<div class=\"desc\">%s</div>\n"
 			"\t\t</div>\n"
-		"\t</li>\n", ptr->branch->position->s, ptr->branch->name->s,
-			ptr->branch->age->s, ptr->branch->desc->s);
+		"\t</li>\n", (i % 2) ? "left" : "right", ptr->name->s,
+			ptr->age_from, ptr->age_to, ptr->desc->s);
+		string_release(ptr->name);
+		string_release(ptr->desc);
 	}
 
 	printf("\t</ul>\n");
@@ -47,33 +79,22 @@ void emit_timeline_html()
 struct branch *add_branch(const char *name)
 {
 	struct branch *br;
-
-	if(!first_branch) {
-		first_branch = malloc(sizeof(struct branch_ll));
-		first_branch->branch = malloc(sizeof(struct branch));
-		first_branch->prev = NULL;
-
-		br = first_branch->branch;
-	}
-	else {
-		struct branch_ll *ptr;
-		for(ptr = first_branch; ptr; ptr = ptr->prev) {
-			if(!ptr->prev) {
-				ptr->prev = malloc(sizeof(struct branch_ll));
-				ptr->prev->branch = malloc(sizeof(struct branch));
-				ptr->prev->prev = NULL;
-
-				br = ptr->prev->branch;
-				break;
-			}
-		}
+	branches.count++;
+
+	if(branches.count > branches.capacity) {
+		if(branches.capacity == 0)
+			branches.capacity = INIT_CAPACITY_LIST;
+		else
+			branches.capacity *= 2;
+		branches.list = realloc(branches.list,
+			sizeof(struct branch) * branches.capacity);
 	}
 
+	br = &branches.list[branches.count-1];
 	br->name = string_alloc(name);
-	br->position = string_alloc("right");
-	br->age = string_alloc("No age");
+	br->age_from = 0;
+	br->age_to = 0;
 	br->desc = string_alloc("No description");
-
 	return br;
 }
 
@@ -82,22 +103,17 @@ void handle_config_context(const char *name, const char *value)
 	if(strcmp(name, "branch.name") == 0) {
 		current_branch = add_branch(value);
 	}
-	else if(strcmp(name, "branch.position") == 0) {
+	else if(strcmp(name, "branch.age_from") == 0) {
 		if(!current_branch)
 			return;
 
-		if(strcmp(value, "right") != 0 && strcmp(value, "left") != 0)
-			return;
-
-		string_release(current_branch->position);
-		current_branch->position = string_alloc(value);
+		current_branch->age_from = atoi(value);
 	}
-	else if(strcmp(name, "branch.age") == 0) {
+	else if(strcmp(name, "branch.age_to") == 0) {
 		if(!current_branch)
 			return;
 
-		string_release(current_branch->age);
-		current_branch->age = string_alloc(value);
+		current_branch->age_to = atoi(value);
 	}
 	else if(strcmp(name, "branch.desc") == 0) {
 		if(!current_branch)
@@ -200,6 +216,9 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
+	sort_branches_by_age();
+
 	emit_timeline_html();
+	free(branches.list);
 	return 0;	
 }
-- 
cgit v1.2.3-18-g5258