#define ALLOW_TOKEN_VALUE_SEPARATOR_BEING_WHITESPACE 1
#define CHECK_TOKEN_VALUE_SEPARATOR__WARN_IF_MISSING 0
+static boolean token_value_separator_found = FALSE;
+#if CHECK_TOKEN_VALUE_SEPARATOR__WARN_IF_MISSING
+static boolean token_value_separator_warning = FALSE;
+#endif
+
+static boolean getTokenValueFromSetupLineExt(char *line,
+ char **token_ptr, char **value_ptr,
+ char *filename, char *line_raw,
+ int line_nr,
+ boolean separator_required)
+{
+ static char line_copy[MAX_LINE_LEN + 1], line_raw_copy[MAX_LINE_LEN + 1];
+ char *token, *value, *line_ptr;
+
+ /* when externally invoked via ReadTokenValueFromLine(), copy line buffers */
+ if (line_raw == NULL)
+ {
+ strncpy(line_copy, line, MAX_LINE_LEN);
+ line_copy[MAX_LINE_LEN] = '\0';
+ line = line_copy;
+
+ strcpy(line_raw_copy, line_copy);
+ line_raw = line_raw_copy;
+ }
+
+ /* cut trailing comment from input line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == '#')
+ {
+ *line_ptr = '\0';
+ break;
+ }
+ }
+
+ /* cut trailing whitespaces from input line */
+ for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
+ if ((*line_ptr == ' ' || *line_ptr == '\t') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ /* ignore empty lines */
+ if (*line == '\0')
+ return FALSE;
+
+ /* cut leading whitespaces from token */
+ for (token = line; *token; token++)
+ if (*token != ' ' && *token != '\t')
+ break;
+
+ /* start with empty value as reliable default */
+ value = "";
+
+ token_value_separator_found = FALSE;
+
+ /* find end of token to determine start of value */
+ for (line_ptr = token; *line_ptr; line_ptr++)
+ {
+#if 1
+ /* first look for an explicit token/value separator, like ':' or '=' */
+ if (*line_ptr == ':' || *line_ptr == '=')
+#else
+ if (*line_ptr == ' ' || *line_ptr == '\t' || *line_ptr == ':')
+#endif
+ {
+ *line_ptr = '\0'; /* terminate token string */
+ value = line_ptr + 1; /* set beginning of value */
+
+ token_value_separator_found = TRUE;
+
+ break;
+ }
+ }
+
+#if ALLOW_TOKEN_VALUE_SEPARATOR_BEING_WHITESPACE
+ /* fallback: if no token/value separator found, also allow whitespaces */
+ if (!token_value_separator_found && !separator_required)
+ {
+ for (line_ptr = token; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == ' ' || *line_ptr == '\t')
+ {
+ *line_ptr = '\0'; /* terminate token string */
+ value = line_ptr + 1; /* set beginning of value */
+
+ token_value_separator_found = TRUE;
+
+ break;
+ }
+ }
+
+#if CHECK_TOKEN_VALUE_SEPARATOR__WARN_IF_MISSING
+ if (token_value_separator_found)
+ {
+ if (!token_value_separator_warning)
+ {
+ Error(ERR_INFO_LINE, "-");
+
+ if (filename != NULL)
+ {
+ Error(ERR_WARN, "missing token/value separator(s) in config file:");
+ Error(ERR_INFO, "- config file: '%s'", filename);
+ }
+ else
+ {
+ Error(ERR_WARN, "missing token/value separator(s):");
+ }
+
+ token_value_separator_warning = TRUE;
+ }
+
+ if (filename != NULL)
+ Error(ERR_INFO, "- line %d: '%s'", line_nr, line_raw);
+ else
+ Error(ERR_INFO, "- line: '%s'", line_raw);
+ }
+#endif
+ }
+#endif
+
+ /* cut trailing whitespaces from token */
+ for (line_ptr = &token[strlen(token)]; line_ptr >= token; line_ptr--)
+ if ((*line_ptr == ' ' || *line_ptr == '\t') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ /* cut leading whitespaces from value */
+ for (; *value; value++)
+ if (*value != ' ' && *value != '\t')
+ break;
+
+#if 0
+ if (*value == '\0')
+ value = "true"; /* treat tokens without value as "true" */
+#endif
+
+ *token_ptr = token;
+ *value_ptr = value;
+
+ return TRUE;
+}
+
+boolean getTokenValueFromSetupLine(char *line, char **token, char **value)
+{
+ /* while the internal (old) interface does not require a token/value
+ separator (for downwards compatibility with existing files which
+ don't use them), it is mandatory for the external (new) interface */
+
+ return getTokenValueFromSetupLineExt(line, token, value, NULL, NULL, 0, TRUE);
+}
+
+#if 1
static void loadSetupFileData(void *setup_file_data, char *filename,
boolean top_recursion_level, boolean is_hash)
{
char *token, *value, *line_ptr;
void *insert_ptr = NULL;
boolean read_continued_line = FALSE;
- boolean token_value_separator_found;
+ FILE *file;
+ int line_nr = 0;
+ int token_count = 0;
+
+#if CHECK_TOKEN_VALUE_SEPARATOR__WARN_IF_MISSING
+ token_value_separator_warning = FALSE;
+#endif
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ Error(ERR_WARN, "cannot open configuration file '%s'", filename);
+
+ return;
+ }
+
+ /* use "insert pointer" to store list end for constant insertion complexity */
+ if (!is_hash)
+ insert_ptr = setup_file_data;
+
+ /* on top invocation, create hash to mark included files (to prevent loops) */
+ if (top_recursion_level)
+ include_filename_hash = newSetupFileHash();
+
+ /* mark this file as already included (to prevent including it again) */
+ setHashEntry(include_filename_hash, getBaseNamePtr(filename), "true");
+
+ while (!feof(file))
+ {
+ /* read next line of input file */
+ if (!fgets(line, MAX_LINE_LEN, file))
+ break;
+
+ /* check if line was completely read and is terminated by line break */
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
+ line_nr++;
+
+ /* cut trailing line break (this can be newline and/or carriage return) */
+ for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
+ if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ /* copy raw input line for later use (mainly debugging output) */
+ strcpy(line_raw, line);
+
+ if (read_continued_line)
+ {
+#if 0
+ /* !!! ??? WHY ??? !!! */
+ /* cut leading whitespaces from input line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ' && *line_ptr != '\t')
+ break;
+#endif
+
+ /* append new line to existing line, if there is enough space */
+ if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
+ strcat(previous_line, line_ptr);
+
+ strcpy(line, previous_line); /* copy storage buffer to line */
+
+ read_continued_line = FALSE;
+ }
+
+ /* if the last character is '\', continue at next line */
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
+ {
+ line[strlen(line) - 1] = '\0'; /* cut off trailing backslash */
+ strcpy(previous_line, line); /* copy line to storage buffer */
+
+ read_continued_line = TRUE;
+
+ continue;
+ }
+
+ if (!getTokenValueFromSetupLineExt(line, &token, &value, filename,
+ line_raw, line_nr, FALSE))
+ continue;
+
+ if (*token)
+ {
+ if (strEqual(token, "include"))
+ {
+ if (getHashEntry(include_filename_hash, value) == NULL)
+ {
+ char *basepath = getBasePath(filename);
+ char *basename = getBaseName(value);
+ char *filename_include = getPath2(basepath, basename);
+
+#if 0
+ Error(ERR_INFO, "[including file '%s']", filename_include);
+#endif
+
+ loadSetupFileData(setup_file_data, filename_include, FALSE, is_hash);
+
+ free(basepath);
+ free(basename);
+ free(filename_include);
+ }
+ else
+ {
+ Error(ERR_WARN, "ignoring already processed file '%s'", value);
+ }
+ }
+ else
+ {
+ if (is_hash)
+ setHashEntry((SetupFileHash *)setup_file_data, token, value);
+ else
+ insert_ptr = addListEntry((SetupFileList *)insert_ptr, token, value);
+
+ token_count++;
+ }
+ }
+ }
+
+ fclose(file);
+
#if CHECK_TOKEN_VALUE_SEPARATOR__WARN_IF_MISSING
- boolean token_value_separator_warning = FALSE;
+ if (token_value_separator_warning)
+ Error(ERR_INFO_LINE, "-");
#endif
+
+ if (token_count == 0)
+ Error(ERR_WARN, "configuration file '%s' is empty", filename);
+
+ if (top_recursion_level)
+ freeSetupFileHash(include_filename_hash);
+}
+
+#else
+
+static void loadSetupFileData(void *setup_file_data, char *filename,
+ boolean top_recursion_level, boolean is_hash)
+{
+ static SetupFileHash *include_filename_hash = NULL;
+ char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
+ char *token, *value, *line_ptr;
+ void *insert_ptr = NULL;
+ boolean read_continued_line = FALSE;
FILE *file;
int line_nr = 0;
int token_count = 0;
+#if CHECK_TOKEN_VALUE_SEPARATOR__WARN_IF_MISSING
+ token_value_separator_warning = FALSE;
+#endif
+
if (!(file = fopen(filename, MODE_READ)))
{
Error(ERR_WARN, "cannot open configuration file '%s'", filename);
if (top_recursion_level)
freeSetupFileHash(include_filename_hash);
}
+#endif
void saveSetupFileHash(SetupFileHash *hash, char *filename)
{
projects / rocksndiamonds.git / blobdiff