Fixed bug where variables register without an equal

docs/examples/compress.ss

@@ -1,8 +1,9 @@
 #!/usr/bin/slidescript
 
 print "Compressing..."
-compress "test" "docs"
+compress "functions.ss"
 
 sleep "1"
+
 print "Decompressing..."
-decompress "test.tar.ss"
+decompress "functions.ss.lz"

docs/examples/functions.ss.ss

@@ -0,0 +1,118 @@
+#!/usr/bin/slidescript
+#############################################################
+#### Welcome to the world of SlideScript!                ####
+#### This script is here for the learning purposes of SS ####
+#### Any line starting with a hashtag will treated as a  ####
+#### comment!                                            ####
+#############################################################
+
+# Slide Script, also refered to as SS, is extremely forgiving in
+# syntax handling!
+# Example:
+#    print "content"
+#    print("content")
+###
+### These will operate properly, as well as:
+# Example:
+#    write "filename.txt" "data"
+#    write "filename.txt", "data"
+#    write("filename.txt" "data")
+#    write("filename.txt", "data")
+#
+#   IT ALL WORKS! 
+# SlideScript really syntaxes based on quotes and key function words, 
+# as well as pipes. It really doesn't mind whats around it otherwise
+# And every variable is called by %varname%, defining variables, as normal
+
+# Variables in SS
+ss_filename=file.txt
+ss_stringdata=Data to encrypt and decrypt
+ss_exec_command=uname -a
+
+# Printing function in SS
+print "Welcome to SlideScript!"
+# Sleep function in SS
+print "Some content to print, working with '%ss_filename%' today!"
+# Below demonstrates SS encrypting a string, passing the output
+# over a pipe, and using the write function and %PIPE% variable
+# holding the first functions output, writes to %ss_filename%; file.txt
+### %PIPE% is the output from the first line function, enc
+### %PIPE% is always applied when a pipe is used!
+encode "%ss_stringdata%" | write "%ss_filename%" "%PIPE%" 
+# You're left with file.txt, lets move on
+
+# Lets read the file we just created and show how SS handles its
+# own decryption algorithm
+read "%ss_filename%" | decrypt "%PIPE%"
+# Will display the original variable string!
+
+# SS MD5 function
+# Lets get the md5sum of file.txt with our md5 function
+md5 "%ss_filename%" | write "%ss_filename%.md5" "%PIPE%"
+# Use a pipe, and push the md5 into a text file of file.txt
+
+# You can also stack pipes for whatever tasks you may need
+# Here's the encrypt function in action, can also be used as encode
+md5 "%ss_filename%" | encode "%PIPE%" | write "%ss_filename%.md5.enc" "%PIPE%"
+
+# Read md5 file
+print "%ss_filename%.md5:"
+read "%ss_filename%.md5"
+
+# Read encrypted md5 file and decrypt using decode alias
+print "%ss_filename%.md5.enc:"
+read "%ss_filename%.md5.enc" | decode "%PIPE%"
+
+# Delete function, SS can delete files and directories with one function
+# NOTE: it is extremely powerful and can wreck your system if used in the
+# wrong way! Proceed with caution, delete "/" WILL send your files to the
+# grave.
+###
+# Lets delete the files we've been messing with, no system calls needed
+delete "%ss_filename%"
+delete "%ss_filename%.md5"
+delete "%ss_filename%.md5.enc"
+# Gone!
+
+print "Playing with some calc..."
+# calc function, lets do some basic math
+calc "32 * 1024"
+# You can pipe calc to do multi layer equations
+calc "32 * 1024" | calc "%PIPE% * 2"
+
+# Lets play with some big numbers here!
+# SlideScript parses its calc functions using floating points, so you can 
+# handle decimal as well
+calc "1024 * 1024" | calc "%PIPE% * %PIPE%"
+
+# Decimal
+print "Here comes the decimal:"
+calc "46 / 3.4"
+
+# Execute function, SS can call unix system calls!
+# Executes the ss_exec_command variable data, 'ls'
+print "Testing exec function on system"
+exec "%ss_exec_command%"
+
+# comp, loop, if, and ifn examples
+
+# Check to see if /bin/sh exists
+exist=`isfile "/bin/sh"`
+
+# Report findings on /bin/sh
+if: %exist%; print "/bin/sh exists!"
+ifn: %exist%; printf "/bin/sh does not exist!"
+
+# Loop functions, example
+loop: 3; print "Loop print 3 times"
+
+# Compare strings
+compvar=`comp: "matching" "match"`
+ifn: %compvar%; print "Strings don't match"
+
+# Unset compvar
+unset "compvar"
+
+# Set again, and compare integers
+compvar=`comp: "245" "245"`
+if: %compvar%; print "Values match!"

src/inc/util.h

@@ -41,3 +41,4 @@ void parse_args(int argc, char** argv);
 char *ss_time();
 void gen_random_string(char *s, const int len);
 char *remove_extension(char *string);
+int check_for_var(char *string);

src/lexer.c

@@ -27,6 +27,9 @@ char *process_line (char *line)
     //printf("%s", &line[strlen(line)-2]);
     static char pathbuf[MAXPATHLENGTH+1];
 
+    // Check to see if we're dealing with a 
+    // variable (for the end if the lexer)
+    int isVar = check_for_var(line);
     tok_srch = strtok_r (line, "=\" ;", &strtok_save);
 
     /* reuse function */
@@ -433,7 +436,7 @@ char *process_line (char *line)
         return NULL;
     }
 
-
+    // Print directory
     else if (strncmp("showdir", tok_srch, 7) == 0 || strncmp("ls", tok_srch, 2) == 0)
     {
         char *dirname;
@@ -518,7 +521,7 @@ char *process_line (char *line)
         decomp_filename = remove_extension(parse_vars(tok_srch));
 
         if (bsize <= 0) {
-            x_warn("ss:warn:compress, default buffer not set?");
+            x_warn("ss:warn:decompress, default buffer not set?");
             return NULL;
         }
 
@@ -537,6 +540,10 @@ char *process_line (char *line)
             x_warn("ss:warn:decompress, failed to decompress tarball: %d", lzret);
             return NULL;
         }
+        else
+        {
+            sprintf(retbuf, "Decompressed -> %s", decomp_filename);
+        }
 
         /* Destroyes the wrapper instance */
         wrapper_destroy(lzwrapper);
@@ -1485,6 +1492,7 @@ char *process_line (char *line)
         }
     }
 
+    // Set variables if needed.
     else if (strcmp(tok_srch, "\n") != 0 && strcmp(tok_srch, "") != 0)
     {
         if (tok_srch[strlen(tok_srch)-1] == '\n')
@@ -1492,6 +1500,8 @@ char *process_line (char *line)
             return NULL;
         }
         else
+        {
+            if(isVar == 1)
             {
                 int varc = get_var_count();
                 char *varname_tmp = tok_srch;
@@ -1504,6 +1514,19 @@ char *process_line (char *line)
                 set_var(varc, varname_tmp, bq_check);
                 printf("ss: var '%s' -> %s\n", varname_tmp, get_var_data(varname_tmp));
             }
+            else
+            {
+                if(tok_srch != NULL) 
+                {
+                    printf("ss:warn:unknown function: %s\n", tok_srch);
+                }
+                else 
+                {
+                    printf("ss:warn:unknown function\n");
+                }
+                return NULL;
+            }
+        }
     }
 
     return NULL;

src/main.c

@@ -40,7 +40,7 @@ int main(int argc, char **argv)
 		exit(EXIT_FAILURE);
 	}
 		
-	/* Run while loop if file is empty. */
+	/* Run while loop if file isnt empty. */
 	if (script != NULL) 
 	{
         while (1)
@@ -55,7 +55,7 @@ int main(int argc, char **argv)
                 fflush (stdout);
             }
 
-/* parse each line from the script in order. */
+            /* parse each line from the script in order. */
 
 		    if (fgets (script_line,
                 sizeof(script_line), script) == NULL) break;

src/util.c

@@ -134,7 +134,9 @@ void gen_random_string(char *s, const int len) {
     s[len] = 0;
 }
 
-char *remove_extension(char *string) {
+// Removes extension from filename for compression
+char *remove_extension(char *string)
+{
     char *ret_string;
     char *lastExt;
     if (string == NULL) return (char *)NULL;
@@ -145,3 +147,15 @@ char *remove_extension(char *string) {
         *lastExt = '\0';
     return ret_string;
 }
+
+int check_for_var(char *string)
+{
+    if(strchr(string, '=') != NULL)
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    }
+}