From 3515199c9e158d4b6fe5d064539bdf288dca7b81 Mon Sep 17 00:00:00 2001
From: gramanas <anastasis.gramm2@gmail.com>
Date: Wed, 11 May 2022 02:17:51 +0300
Subject: initial library includes

---
 src/cookbook.c |  2 +-
 src/food.c     | 14 +++++++++++--
 src/lib.c      | 66 ++++++++++++++++++++++++++++++++++++++++++----------------
 src/lib.h      |  4 +++-
 src/parser.c   | 28 +++++++++++++++----------
 5 files changed, 81 insertions(+), 33 deletions(-)

(limited to 'src')

diff --git a/src/cookbook.c b/src/cookbook.c
index 08fa325..0fab1e2 100644
--- a/src/cookbook.c
+++ b/src/cookbook.c
@@ -136,7 +136,7 @@ main(int argc, char * argv[])
   }
 
   char ** lib = NULL;
-  int n = collect_library(&lib, argv, argc, optind);
+  int n = collect_library(&lib, argv, argc, optind, NULL, 0);
 
   cookbook = (recipe **)malloc(sizeof(recipe *) * n);
   for (int i = 0; i < n; i++) {
diff --git a/src/food.c b/src/food.c
index 6502840..7ee222e 100644
--- a/src/food.c
+++ b/src/food.c
@@ -13,6 +13,8 @@ static struct opts {
   int html;
   int rcp;
   char query[2048];
+  char includes[100][2048];
+  int includes_n;
   int title;
   int eval;
   int list;
@@ -25,6 +27,8 @@ static struct opts {
   .html = 0,
   .rcp = 0,
   .query = "",
+  .includes = {""},
+  .includes_n = 0,
   .eval = 1,
   .title = 0,
   .list = 0,
@@ -68,6 +72,7 @@ main(int argc, char * argv[])
         {"to-html",           no_argument,       0, 'w'},
         {"to-rcp",            no_argument,       0, 'r'},
         {"format",            required_argument, 0, 'f'},
+        {"include",           required_argument, 0, 'I'},
         {"search",            required_argument, 0, 's'},
         {"title",             required_argument, 0, 't'},
         {"strict",            required_argument, 0, 'S'},
@@ -79,7 +84,7 @@ main(int argc, char * argv[])
 
     int option_index = 0;
 
-    c = getopt_long (argc, argv, "jnlhrwf:s:S:t:H:",
+    c = getopt_long (argc, argv, "jnlhrwf:s:S:t:H:I:",
                      long_options, &option_index);
 
     if (c == -1)
@@ -104,6 +109,9 @@ main(int argc, char * argv[])
       else
         fprintf(stderr, "invalid format: %s\n", optarg);
       break;
+    case 'I':
+      strcpy(opt.includes[opt.includes_n++], optarg);
+      break;
     case 't':
       opt.title = 1;
       strcpy(opt.query, optarg);
@@ -153,7 +161,9 @@ main(int argc, char * argv[])
   }
 
   char ** lib = NULL;
-  int n = collect_library(&lib, argv, argc, optind);
+  int n = collect_library(&lib,
+                          argv, argc, optind,
+                          opt.includes, opt.includes_n);
   
   for (int i = 0; i < n; i++) {
     recipe * r = parse(lib[i], NULL);
diff --git a/src/lib.c b/src/lib.c
index 9eb5395..3da93ed 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -1,40 +1,70 @@
 #include "lib.h"
 #include "util.h"
 
-int
-collect_library(char *** dst, char * argv[], int argc, int optind)
+const char * default_food_lib = "/usr/local/share/food";
+
+const char *
+foodlib_env()
 {
-  int n = 0;
-  FILE *fp;
-  char path[1035];
+  char * env = getenv("FOOD_LIB");
 
-  char ** lib = NULL;
+  if (env) return env;
 
-  for (int i = optind; i < argc; i++) {
-    lib = realloc(lib, sizeof(char **) * (n + 1));
-    lib[n] = strdup(argv[i]);
-    fdebug("%d: %s\n", n, lib[n]);
-    n = n + 1;
-  }
+  return default_food_lib;
+}
+
+static int
+rcp_find(char *** lib, int lib_n, const char * path)
+{
+  int n = lib_n;
+  char line[1035];
+  FILE *fp;
 
-  fp = popen("/bin/find /home/gramanas/code/foodtools/lib/ -name '*.rcp'", "r");
+  char cmd[2048] = "/bin/find ";
+  strcat(cmd, path);
+  strcat(cmd, " -name '*.rcp'");
+
+  fp = popen(cmd, "r");
   if (fp == NULL) {
     fprintf(stderr, "Couldn't run /bin/find\n");
     return 0;
   }
 
   /* Read the output a line at a time */
-  while (fgets(path, sizeof(path), fp) != NULL) {
-    lib = realloc(lib, sizeof(char **) * (n + 1));
-    trim(path);
-    lib[n] = strdup(path);
-    fdebug("%d: %s\n", n, lib[n]);
+  while (fgets(line, sizeof(line), fp) != NULL) {
+    *lib = realloc(*lib, sizeof(char **) * (n + 1));
+    trim(line);
+    (*lib)[n] = strdup(line);
+    fdebug("%d: %s\n", n, (*lib)[n]);
     n = n + 1;
   }
 
   /* close */
   pclose(fp);
 
+  return n;
+}
+
+int
+collect_library(char *** dst,
+                char * argv[], int argc, int optind,
+                char includes[][2048], int includes_n)
+{
+  int n = 0;
+  char ** lib = NULL;
+
+  for (int i = optind; i < argc; i++) {
+    lib = realloc(lib, sizeof(char **) * (n + 1));
+    lib[n] = strdup(argv[i]);
+    fdebug("%d: %s\n", n, lib[n]);
+    n = n + 1;
+  }
+
+  //n += rcp_find(&lib, "/home/gramanas/code/foodtools/lib/");
+  for (int i = 0; i < includes_n; i++) {
+    n = rcp_find(&lib, n, includes[i]);
+  }
+
   *dst = lib;
   return n; // no of items
 }
diff --git a/src/lib.h b/src/lib.h
index 005a330..ea24cdc 100644
--- a/src/lib.h
+++ b/src/lib.h
@@ -1,7 +1,9 @@
 #ifndef __LIB_H
 #define __LIB_H
 
-int collect_library(char *** lib, char * argv[], int argc, int optind);
+int collect_library(char *** lib,
+                    char * argv[], int argc, int optind,
+                    char includes[][2048], int includes_n);
 void free_library(char ** lib, int n);
 
 #endif /* __LIB_H */
diff --git a/src/parser.c b/src/parser.c
index df8d80b..5009ca1 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -6,7 +6,7 @@
 typedef enum parser_type {
   TITLE = 0,
   ITEMS,
-  STEPS,  
+  STEPS,
 } pt;
 
 static const int
@@ -58,16 +58,22 @@ parse_item(const char * s, recipe * r, pt * type, char * error)
       sprintf(error, "malformed include: %s", s);
       return 1;
     }
-    
+
+    /* First search for full path */
     if (tmp[0] == '/' || tmp[0] == '~') {
       strcpy(path, tmp);
     } else {
+      /* Then search for file local path */
       strcpy(path, r->path);
       strcat(path, "/");
       strcat(path, tmp);
     }
 
-    recipe * rr = parse(path, r->filename);
+    recipe * rr = NULL;
+    rr = parse(path, r->filename);
+
+    /* TODO: Check for path from included libs */
+
     if (!rr) {
       sprintf(error, "Couldn't include %s", path);
       return 1;
@@ -76,10 +82,10 @@ parse_item(const char * s, recipe * r, pt * type, char * error)
     //copy_items(r, rr);
     new_subrecipe(r, rr);
     //free_recipe(rr);
-    
+
     return 0;
   }
-  
+
   int l = strlen(s);
   int val = 1; /* key vs value flag */
   int itemc = 0;
@@ -121,7 +127,7 @@ parse_item(const char * s, recipe * r, pt * type, char * error)
     sprintf(error, "empty ingredient quantity: %s", s);
     return 1;
   }
-    
+
   for (int i = 0; i < itemc; i++) {
     r->i[r->in - 1 - i]->qty = strdup(buf);
   }
@@ -144,7 +150,7 @@ parse_step(const char * s, recipe * r, char * error)
     r->s[r->sn - 1]->inst = tmp;
     return 0;
   }
-  
+
   sprintf(error, "malformed step: %s", s);
   return 1;
 }
@@ -171,7 +177,7 @@ handle_line(const char * s, recipe * r, char * error, pt * type, const char * pr
     if (parse_step(s, r, error))
       return 1;
   }
-  
+
   return 0;
 }
 
@@ -204,7 +210,7 @@ next_escaped_line(FILE *f, char * line, int * lino, char * error) {
       sprintf(error, "line exceeds %d characters", LINE_SIZE);
       return -1;
     }
-    
+
     /* remove `\` */
     line[l - 1] = '\0';
     strcat(line, tmp);
@@ -217,7 +223,7 @@ recipe *
 parse(char * path, const char * prev)
 {
   fdebug("Parsing: %s\n", path);
-  
+
   FILE *f;
   if (!strcmp(path, "-")) {
     f = stdin;
@@ -247,7 +253,7 @@ parse(char * path, const char * prev)
   char error[LINE_SIZE] = "";
   int lino = 0;
   enum parser_type type = TITLE;
-  
+
   while (!next_escaped_line(f, line, &lino, error)) {
     if (handle_line(line, r, error, &type, prev))
       break;
-- 
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