dummy init done

action parser
conf parser
db layer

1 files changed, 127 insertions, 0 deletions

diff --git a/src/confparser.c b/src/confparser.c
new file mode 100644
index 0000000..d4d33f5
--- /dev/null
+++ b/src/confparser.c
@@ -0,0 +1,127 @@
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <dirent.h>
+#include <ctype.h>
+#include "confparser.h"
+
+const char* const configFilename = ".ckrc";
+
+void conf_values_initialize(Conf *c) {
+  c->SCRT_dir = NULL;
+  c->VC_dir = NULL;
+}
+
+int remove_newline(char buff[]) {
+  int initLength = strlen(buff);
+  for (int i = 0; i < initLength; i++) {
+    if (buff[i] == '\n') {
+      buff[i] = ' ';
+    }
+  }
+  return strlen(buff);
+}
+
+char* read_next_line(FILE *f) {
+  char nextLine[200];
+  char *line;
+  if (fgets(nextLine, 200, f) == NULL) {
+    return NULL;
+  }
+  line = malloc(remove_newline(nextLine));
+  strcpy(line, nextLine);
+  return line;
+}
+
+int is_empty(const char *s) {
+  while (*s != '\0') {
+    if (!isspace((unsigned char)*s))
+      return 0;
+    s++;
+  }
+  return 1;
+}
+
+ConfVar match_variables(char *line, char matched[]) {
+  if (line[0] == '#' || is_empty(line)) {
+    return CV_NO_VAL_OR_COMMENT;
+  }
+#define X(var, str, name)                        \
+  if (sscanf(line, str, matched) == 1) {         \
+    return CV_##var;                             \
+  }
+  CONFIG_VARIABLES_TABLE
+#undef X
+  return -1;
+}
+
+int is_dir(char *path) {
+  DIR *dir;
+  dir = opendir(path);
+  if (!dir) {
+    return 0;
+  }
+  closedir(dir);
+  return 1;
+}
+
+ConfigParserResult parse(Conf *conf) {
+  conf_values_initialize(conf);
+  FILE *confPtr;
+  if ((confPtr = fopen("/home/gramanas/.ck/ckrc", "r")) == NULL) {
+    return CPR_NO_CONFIG_FILE;
+  }
+  int flag = 1;
+  char *line = read_next_line(confPtr);
+  char matched[200];
+  while (line != NULL) {
+    switch(match_variables(line, matched)) {
+#define X(var, str, name)                       \
+      case CV_##var:                            \
+        conf->var = malloc(strlen(matched));    \
+        strcpy(conf->var, matched);             \
+        if (!is_dir(matched)) {                 \
+          return CPR_WRONG_##var;               \
+        }                                       \
+        break;
+      CONFIG_VARIABLES_TABLE
+#undef X
+    case CV_NO_VAL_OR_COMMENT:
+      break;
+    default:
+      printf("%s:\n%s\n", "Config error in line", line);
+    }
+    free(line);
+    line=read_next_line(confPtr);
+  }
+#define X(var, str)                               \
+  if (conf->var == NULL) {                        \
+    flag = 0;                                     \
+    CONFIG_VARIABLES_TABLE
+#undef X
+  if (flag) {
+    return CPR_OK;
+  }
+  return CPR_NO_CONFIG_FILE;
+}
+
+int config_file_parse(Conf *conf) {
+  switch (parse(conf)) {
+#define X(var,str,name)                                                 \
+    case CPR_WRONG_##var:                                               \
+      printf("Config error:\n"                                          \
+             "%s: %s\n"                                                 \
+             "defined in config does not exist\n", name, conf->var);    \
+      return 0;                                                         \
+    break;
+    CONFIG_VARIABLES_TABLE
+#undef X
+  case CPR_NO_CONFIG_FILE:
+    printf("The config file specified could not be found\n");
+    return 0;
+  case CPR_WRONG_CONFIG:
+    printf("Config help\n");
+  case CPR_OK:
+    return 1;
+  }
+}