initial commit

6 files changed, 377 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..dd9869f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,25 @@
+include config.mk
+
+build: config.h
+	${CC} -ljson-c wcli-gen.c -o wcli-gen
+	${CC} wcli.c -o wcli
+
+config.h: config.def.h
+	cp config.def.h config.h
+
+install: build
+	mkdir -p $(PREFIX)/bin
+	cp -f wcli wcli-gen wcli-query $(PREFIX)/bin
+	chmod 755 ${PREFIX}/bin/wcli
+	chmod 755 ${PREFIX}/bin/wcli-gen
+	chmod 755 ${PREFIX}/bin/wcli-query
+
+uninstall:
+	rm -f ${PREFIX}/bin/wcli\
+		${PREFIX}/bin/wcli-gen\
+		${PREFIX}/bin/wcli-query
+
+clean:
+	rm wcli wcli-gen
+
+.PHONY: build install uninstall clean
diff --git a/config.def.h b/config.def.h
new file mode 100644
index 0000000..0f2f277
--- /dev/null
+++ b/config.def.h
@@ -0,0 +1,2 @@
+static char* working_dir="~/.local/share/wcli/";
+#define VERBOSE
diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..79c37b0
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,2 @@
+PREFIX = ~/.local
+CC = cc
diff --git a/wcli-gen.c b/wcli-gen.c
new file mode 100644
index 0000000..b872255
--- /dev/null
+++ b/wcli-gen.c
@@ -0,0 +1,147 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <json-c/json.h>
+
+#define VERBOSE
+
+#include "config.h"
+char *wdir;
+
+void error(const char* restrict format, ...);
+int printv(const char* restrict format, ...);
+static int _printv(const char* restrict format, va_list args);
+
+void
+error(const char* restrict format, ...)
+{
+	va_list args;
+	va_start(args,format);
+	_printv(format,args);
+	va_end(args);
+
+	exit(1);
+	return;
+}
+
+int
+printv(const char* restrict format, ...)
+{
+	va_list args;
+	va_start(args,format);
+	int ret = _printv(format,args);
+	va_end(args);
+
+	return ret;
+}
+
+int
+_printv(const char* restrict format, va_list args)
+{
+#ifndef VERBOSE
+	return 0;
+#endif
+
+	int ret = vprintf(format,args);
+	return ret;
+}
+
+void
+str_conc_const(const char *s1, const char *s2, char *res)
+{
+	const size_t l1 = strlen(s1);
+	const size_t l2 = strlen(s2);
+
+	memcpy(res,s1,l1);
+	memcpy(res+l1,s2,l2+1);
+	return;
+}
+
+char*
+str_conc(const char *s1, const char *s2)
+{
+	const size_t l1 = strlen(s1);
+	const size_t l2 = strlen(s2);
+
+	char* res = malloc(l1 + l2 + 1);
+	if (res == NULL)
+		error("Error while concatenating \"%s\" and \"%s\".\n", s1, s2);
+
+	str_conc_const(s1, s2, res);
+	return res;
+}
+
+void
+parse(char *fn)
+{
+	json_object *weather, *root, *day, *hly, *hour;
+	char *file, *pref, suf[3];
+	FILE *fl;
+	int i, j, s, h;
+	root = json_object_from_file(fn);
+	if (!root)
+		error("Error\n");
+	/* Assuming no errors */
+
+	weather = json_object_object_get(root, "weather");
+	s = json_object_array_length(weather);
+	suf[0] = '-';
+	suf[2] = '\0';
+	for (i = 0; i < s; i++) {
+		day = json_object_array_get_idx(weather,i);
+		hly = json_object_object_get(day, "hourly");
+
+		if (!i)
+			pref = str_conc(wdir,json_object_get_string(json_object_object_get(day, "date")));
+		else
+			str_conc_const(wdir,json_object_get_string(json_object_object_get(day, "date")),pref);
+
+		h = json_object_array_length(hly);
+		for (j = 0; j < h; j++) {
+			suf[1] = j+'0';
+			if (!i && !j)
+				file = str_conc(pref,suf);
+			else
+				str_conc_const(pref,suf,file);
+
+			hour = json_object_array_get_idx(hly,j);
+			fl = fopen(file,"w");
+
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "tempC")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "tempF")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "FeelsLikeC")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "FeelsLikeF")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "windspeedKmph")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "WindGustKmph")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "winddir16Point")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "winddirDegree")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "visibility")));
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "weatherCode")));
+			hour = json_object_array_get_idx(json_object_object_get(hour, "weatherDesc"),0);
+			fprintf(fl, "%s\n", json_object_get_string(json_object_object_get(hour, "value")));
+			fclose(fl);
+		}
+	}
+
+	free(file);
+	free(pref);
+
+	json_object_put(root);
+	return;
+}
+
+int
+main(int argc, char** argv)
+{
+	if (argc < 2)
+		error("Not enough arguments.\n");
+
+	if (working_dir[0] == '~') {
+		wdir = str_conc(getenv("HOME"), &working_dir[1]);
+	} else {
+		wdir = working_dir;
+	}
+
+	parse(argv[1]);
+}
diff --git a/wcli-query b/wcli-query
new file mode 100755
index 0000000..109723f
--- /dev/null
+++ b/wcli-query
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+dir="$HOME/.local/share/wcli"
+file="$dir/$(date +info_%F_%H-%M.json)"
+country=""
+
+mkdir -p "$dir" || exit 1
+curl "wttr.in/${country}?format=j1" -o "$file" || exit 1
+wcli-gen "$file"
diff --git a/wcli.c b/wcli.c
new file mode 100644
index 0000000..30e6957
--- /dev/null
+++ b/wcli.c
@@ -0,0 +1,192 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+
+#include "config.h"
+
+#define DLEN 25
+
+time_t rawtime;
+struct tm *timeinfo;
+
+struct data {
+	int temp_c;
+	int temp_f;
+	int feel_temp_c;
+	int feel_temp_f;
+	int wind_speed;
+	int wind_gust;
+	char wind_dir_16[4];
+	int wind_dir_deg;
+	int vis;
+	int weather_code;
+	char weather_desc[DLEN];
+} w;
+
+void
+error()
+{
+	printf("doom");
+	exit(1);
+	return;
+}
+
+void
+str_conc_const(const char *s1, const char *s2, char *res)
+{
+	const size_t l1 = strlen(s1);
+	const size_t l2 = strlen(s2);
+
+	memcpy(res,s1,l1);
+	memcpy(res+l1,s2,l2+1);
+	return;
+}
+
+char*
+str_conc(const char *s1, const char *s2)
+{
+	const size_t l1 = strlen(s1);
+	const size_t l2 = strlen(s2);
+
+	char* res = malloc(l1 + l2 + 1);
+	if (res == NULL)
+		error();
+
+	str_conc_const(s1, s2, res);
+
+	return res;
+}
+
+char
+get_dig(short int u, int x)
+{
+	while (--x)
+		u /= 10;
+	return (u % 10) + '0';
+}
+
+void
+get_file(char *file)
+{
+	int i, of;
+	of = 0;
+
+	for (i = 0; i < 4; ++i)
+		file[of++] = get_dig(timeinfo->tm_year+1900, 4-i);
+	file[of++] = '-';
+
+	for (i = 0; i < 2; ++i)
+		file[of++] = get_dig(timeinfo->tm_mon+1, 2-i);
+	file[of++] = '-';
+
+	for (i = 0; i < 2; ++i)
+		file[of++] = get_dig(timeinfo->tm_mday, 2-i);
+	file[of++] = '-';
+
+	file[of++] = (timeinfo->tm_hour/3) + '0';
+	file[of] = '\0';
+}
+
+void
+read_data(char *file)
+{
+	FILE *f = fopen(file, "r");
+	if (!f)
+		error();
+
+	fscanf(f, "%d\n", &w.temp_c);
+	fscanf(f, "%d\n", &w.temp_f);
+	fscanf(f, "%d\n", &w.feel_temp_c);
+	fscanf(f, "%d\n", &w.feel_temp_f);
+	fscanf(f, "%d\n", &w.wind_speed);
+	fscanf(f, "%d\n", &w.wind_gust);
+	fscanf(f, "%s\n", w.wind_dir_16);
+	fscanf(f, "%d\n", &w.wind_dir_deg);
+	fscanf(f, "%d\n", &w.vis);
+	fscanf(f, "%d\n", &w.weather_code);
+	fgets(w.weather_desc, DLEN, f);
+	if (strlen(w.weather_desc) &&
+			w.weather_desc[strlen(w.weather_desc)-1] == '\n')
+		w.weather_desc[strlen(w.weather_desc)-1] = '\0';
+
+	fclose(f);
+	return;
+}
+
+void
+place_holder(char c)
+{
+	switch(c) {
+		case 'c': printf("%d", w.temp_c);        break;
+		case 'f': printf("%d", w.temp_f);        break;
+		case 'C': printf("%d", w.feel_temp_c);   break;
+		case 'F': printf("%d", w.feel_temp_f);   break;
+		case 's': printf("%d", w.wind_speed);    break;
+		case 'g': printf("%d", w.wind_gust);     break;
+		case 'd': printf("%s", w.wind_dir_16);   break;
+		case 'D': printf("%d", w.wind_dir_deg);  break;
+		case 'v': printf("%d", w.vis);           break;
+		case 'w': printf("%d", w.weather_code);  break;
+		case 'W': printf("%s", w.weather_desc);  break;
+		case '%': printf("%c", '%');             break;
+	}
+	return;
+}
+
+void
+print(char *f)
+{
+	short int sp = 0;
+	int p = 0;
+
+	while (f[p] != '\0') {
+		if (sp) {
+			place_holder(f[p]);
+			sp = 0;
+		} else {
+			if (f[p] == '%')
+				sp = 1;
+			else
+				printf("%c", f[p]);
+		}
+
+		++p;
+	}
+
+	return;
+}
+
+
+int
+main(int argc, char** argv)
+{
+	char file[28];
+	char *filename, *tempn;
+
+	if (argc < 2)
+		error();
+
+	time(&rawtime);
+	rawtime += (time_t)5400; /* adds 1.5h because time between data is 3 hours */
+	timeinfo = localtime(&rawtime);
+
+	get_file(file);
+
+	if (working_dir[0] == '~') {
+		tempn = str_conc(getenv("HOME"), &working_dir[1]);
+		filename = str_conc(tempn,file);
+		free(tempn);
+	} else {
+		filename = str_conc(working_dir,file);
+	}
+
+
+	read_data(filename);
+	free(filename);
+
+	print(argv[1]);
+
+	return 0;
+}