X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;ds=sidebyside;f=src%2Fcommon%2Fparse_file.h;h=e0e3c7a075fd44ffd6ca963e8e9ea15997ce4aef;hb=f4993573d69a6a5b1887ad6a9fa65b3fdcd565de;hp=28865c4a2536188881b38440ef77a8eb703f6fd0;hpb=6245b251886853269262bc77d0f0378c28e241bc;p=plomrogue
diff --git a/src/common/parse_file.h b/src/common/parse_file.h
index 28865c4..e0e3c7a 100644
--- a/src/common/parse_file.h
+++ b/src/common/parse_file.h
@@ -1,6 +1,10 @@
/* src/common/parse_file.h
*
- * Tools for parsing config files.
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
+ *
+ * Tools for parsing files.
*/
#ifndef PARSE_FILE_H
@@ -10,43 +14,45 @@
-/* Many functions working on config file lines / tokens work with these elements
- * that only change on line change. Makes sense to pass them over together.
+/* Set err_line() options: "intro" message, char array used to store analyzed
+ * lines ("line"), and whether to "exit" on error message.
*/
-struct Context {
- char * line;
- char * token0;
- char * token1;
- char * err_pre;
-};
-
+extern void set_err_line_options(char * intro, char * line, uint8_t exit);
+/* Increment and reset (to zero) err_line() line counter. */
+extern void err_line_inc();
+extern void err_line_zero();
-enum parse_flags
-{
- EDIT_STARTED = 0x01
-};
-
+/* If "test", output "msg", faulty line, its number and exit if so defined by
+ * set_err_line_options(), else return 1 on "test" and 0 if "test" is 0.
+ */
+extern uint8_t err_line(uint8_t test, char * msg);
+
+/* Return next token from "line", or NULL if none is found. Tokens either a)
+ * start at the first non-whitespace character and end before the next
+ * whitespace character after that; or b) if the first non-whitespace character
+ * is a single quote followed by at least one other single quote some time later
+ * on the line, the token starts after that first single quote and ends before
+ * the second, with the next token_from_line() call starting its token search
+ * after that second quote. The only way to return an empty string (instead of
+ * NULL) as a token is to delimit the token by two succeeding single quotes.
+ */
+extern char * token_from_line(char * line);
+/* Test for "string" to represent proper int16 (type: "i"), uint8 ("8"), uint16
+ * ("u") or uint32 ("U"). Returns 0 if proper value, else >0.
+ */
+extern uint8_t parsetest_int(char * string, char type);
-/* Writes "context"->token1 to "target" only if it describes a proper uint8. */
-extern void set_uint8(struct Context * context, uint8_t * target);
+/* Test for "string" to be of length 1 (excluding "\0"). Return 1 on failure. */
+extern uint8_t parsetest_singlechar(char * string);
-/* If "context"->token0 fits "comparand", set "element" to value read from
- * ->token1 as either string (type: "s"), char ("c") or uint8 ("8"), set
- * that element's flag to "flags" and return 1; else return 0.
- */
-extern uint8_t set_val(struct Context * context, char * comparand,
- uint8_t * flags, uint8_t set_flag, char type,
- char * element);
-
-/* Parse file at "path" by passing each line's tokens to "token_to_entry"
- * encapsulated into "Context". Empty lines are ignored. Non-empty lines have to
- * feature exactly two tokens as delimited either be whitespace or single quotes
- * (to allow for tokens featuring whitespaces). When EOF is reached,
- * token_to_entry() is called a last time with an empty Context.token0.
+/* If "token0" fits "comparand", set "element" to value read from "token1" as
+ * string (type: "s"), char ("c") uint8 ("8"), uint16 ("u"), uint32 ("U") or
+ * int16 ("i"), and return 1; else 0.
*/
-extern void parse_file(char * path, void ( *token_to_entry) (struct Context *));
+extern uint8_t parse_val(char * token0, char * token1, char * comparand,
+ char type, char * element);