Initial commit.

1 files changed, 65 insertions, 0 deletions

diff --git a/utils.cpp b/utils.cpp
new file mode 100644
index 0000000..8dc5f5a
--- /dev/null
+++ b/utils.cpp
@@ -0,0 +1,65 @@
+#include <cstdio>
+#include <cstring>
+#include <cerrno>
+#include <cctype>
+#include "utils.hpp"
+int readint(const char* path)
+{
+	FILE* f=fopen(path,"r");
+	if(!f)return LOG('W',"failed to open %s for reading: %d",path,errno),0;
+	char buf[16];
+	fgets(buf,16,f);
+	buf[15]=0;
+	fclose(f);
+	return atoi(buf);
+}
+float readfloat(const char* path)
+{
+	FILE* f=fopen(path,"r");
+	if(!f)return LOG('W',"failed to open %s for reading: %d",path,errno),0;
+	char buf[16];
+	fgets(buf,16,f);
+	buf[15]=0;
+	fclose(f);
+	return atof(buf);
+}
+std::string readstr(const char* path)
+{
+	FILE* f=fopen(path,"r");
+	if(!f)return LOG('W',"failed to open %s for reading: %d",path,errno),"";
+	char buf[256];
+	fgets(buf,256,f);
+	buf[255]=0;
+	fclose(f);
+	return std::string(buf);
+}
+void writeint(const char* path,int v)
+{
+	FILE* f=fopen(path,"w");
+	if(!f){LOG('W',"failed to open %s for writing",path);return;}
+	fprintf(f,"%d",v);
+	fclose(f);
+}
+std::string trim(std::string s)
+{
+	size_t st=0;
+	for(;st<s.length()&&isspace(s[st]);++st);
+	if(st==s.length())return "";
+	s=s.substr(st);
+	while(s.length()&&isspace(s.back()))s.pop_back();
+	return s;
+}
+void split(std::string s,char c,std::vector<std::string>& v)
+{
+	v.clear();
+	for(size_t anch=0;;)
+	{
+		std::string sec;
+		if(s.find(c,anch)==std::string::npos)
+		sec=s.substr(anch);
+		else sec=s.substr(anch,s.find(c,anch)-anch);
+		v.push_back(sec);
+		if(s.find(c,anch)==std::string::npos)break;
+		anch=s.find(c,anch)+1;
+	}
+}