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#include "sosi2osm.h"
#include <string.h>
#include <stdlib.h>
#include <libgen.h>
#include <iconv.h>
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
iconv_t charDescriptor;
void setEncoding(char* encoding) {
charDescriptor = iconv_open("UTF-8", encoding);
}
char* toUTF8(char* in, char* outBuf, size_t outlen) {
if (in == NULL) {
return NULL;
}
size_t inlen = strlen(in)+1;
char* out = outBuf;
iconv(charDescriptor, NULL, NULL, NULL, NULL);
int r = iconv(charDescriptor, &in, &inlen, &out, &outlen);
if (r == -1) {
fprintf(stderr, "Unknown character '%c' (0x%hhx)\n", in[0], in[0]);
exit(1);
}
return outBuf;
}
lua_State *state;
void loadLua(char* filename) {
FILE *file_exist_check;
int r;
state = luaL_newstate();
luaL_openlibs(state);
char filename_string[256];
snprintf(filename_string, 256, "%s/lua/sosi2osm.lua", dirname(execname));
if(file_exist_check = fopen(filename_string, "r")){
fclose(file_exist_check);
r = luaL_loadfile(state, filename_string);
if (r) {
fprintf(stderr, "Failed to load lua library file %s\n", filename_string);
exit(1);
}
}
else {
snprintf(filename_string, 256, "/usr/local/share/sosi2osm/lua/sosi2osm.lua");
if(file_exist_check = fopen(filename_string, "r")){
fclose(file_exist_check);
r = luaL_loadfile(state, filename_string);
if (r) {
fprintf(stderr, "Failed to load lua library file %s\n", filename_string);
exit(1);
}
}
else {
snprintf(filename_string, 256, "/usr/share/sosi2osm/lua/sosi2osm.lua");
if(file_exist_check = fopen(filename_string, "r")){
fclose(file_exist_check);
r = luaL_loadfile(state, filename_string);
if (r) {
fprintf(stderr, "Failed to load lua library file %s\n", filename_string);
exit(1);
}
}
else {
fprintf(stderr, "Could not find sosi2osm.lua. It has to be installed in /usr/share/sosi2osm/lua/ or /usr/local/share/sosi2osm/lua/\n");
exit(1);
}
}
}
lua_call(state, 0, 0);
if(file_exist_check = fopen(filename, "r")) {
fclose(file_exist_check);
r = luaL_loadfile(state, filename);
if (r) {
fprintf(stderr, "Failed to load lua file %s\n", filename);
exit(1);
}
}
else {
snprintf(filename_string, 256, "/usr/local/share/sosi2osm/lua/%s",filename);
if(file_exist_check = fopen(filename_string, "r")) {
fclose(file_exist_check);
r = luaL_loadfile(state, filename_string);
if (r) {
fprintf(stderr, "Failed to load lua file %s\n", filename_string);
exit(1);
}
}
else {
snprintf(filename_string, 256, "/usr/share/sosi2osm/lua/%s",filename);
if(file_exist_check = fopen(filename_string, "r")) {
fclose(file_exist_check);
r = luaL_loadfile(state, filename_string);
if(r) {
fprintf(stderr, "Failed to load lua file %s\n", filename_string);
exit(1);
}
}
else {
fprintf(stderr, "Could not find %s. It has to be installed in /usr/share/sosi2osm/lua/ or /usr/local/share/sosi2osm/lua/\n",filename);
exit(1);
}
}
}
lua_setglobal(state, "getTagsFromInfoTable");
}
void outputTags() {
lua_getglobal(state, "getTagsFromInfoTable");
lua_newtable(state);
int size = 0;
long lines = getSOSILinesLength();
for (int i = 0; i < lines; i++) {
char buffer[256];
char* line = toUTF8(getSOSILine(i), buffer, 256);
if (line != NULL) {
lua_pushinteger(state, ++size);
lua_pushstring(state, line);
lua_settable(state, -3);
}
}
lua_setglobal(state, "info");
lua_call(state, 0, 1);
lua_pushnil(state);
while (lua_next(state, 1) != 0) {
if (lua_type(state, -2) != LUA_TSTRING) {
fprintf(stderr, "Error in lua script: key must be string, got '%s'\n", lua_tostring(state, -2));
exit(1);
}
const char* key = lua_tostring(state, -2);
const char* value = lua_tostring(state, -1);
printf("<tag k=\"%s\" v=\"%s\"/>", key, value);
lua_pop(state, 1);
}
lua_pop(state, 1);
}
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