/* See documentation in header file. */ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler, void* user) { /* Uses a fair bit of stack (use heap instead if you need to) */ #if INI_USE_STACK char line[INI_MAX_LINE]; int max_line = INI_MAX_LINE; #else char* line; int max_line = INI_INITIAL_ALLOC; #endif #if INI_ALLOW_REALLOC char* new_line; int offset; #endif char section[MAX_SECTION] = ""; char prev_name[MAX_NAME] = ""; char* start; char* end; char* name; char* value; int lineno = 0; int error = 0; #if !INI_USE_STACK line = (char*)malloc(INI_INITIAL_ALLOC); if (!line) { return -2; } #endif #if INI_HANDLER_LINENO #define HANDLER(u, s, n, v) handler(u, s, n, v, lineno) #else #define HANDLER(u, s, n, v) handler(u, s, n, v) #endif /* Scan through stream line by line */ while (reader(line, max_line, stream) != NULL) { #if INI_ALLOW_REALLOC offset = strlen(line); while (offset == max_line - 1 && line[offset - 1] != '\n') { max_line *= 2; if (max_line > INI_MAX_LINE) max_line = INI_MAX_LINE; new_line = realloc(line, max_line); if (!new_line) { free(line); return -2; } line = new_line; if (reader(line + offset, max_line - offset, stream) == NULL) break; if (max_line >= INI_MAX_LINE) break; offset += strlen(line + offset); } #endif lineno++; start = line; #if INI_ALLOW_BOM if (lineno == 1 && (unsigned char)start[0] == 0xEF && (unsigned char)start[1] == 0xBB && (unsigned char)start[2] == 0xBF) { start += 3; } #endif start = lskip(rstrip(start)); if (strchr(INI_START_COMMENT_PREFIXES, *start)) { /* Start-of-line comment */ } #if INI_ALLOW_MULTILINE else if (*prev_name && *start && start > line) { /* Non-blank line with leading whitespace, treat as continuation of previous name's value (as per Python configparser). */ if (!HANDLER(user, section, prev_name, start) && !error) error = lineno; } #endif else if (*start == '[') { /* A "[section]" line */ end = find_chars_or_comment(start + 1, "]"); if (*end == ']') { *end = '\0'; strncpy0(section, start + 1, sizeof(section)); *prev_name = '\0'; } else if (!error) { /* No ']' found on section line */ error = lineno; } } else if (*start) { /* Not a comment, must be a name[=:]value pair */ end = find_chars_or_comment(start, "=:"); if (*end == '=' || *end == ':') { *end = '\0'; name = rstrip(start); value = end + 1; #if INI_ALLOW_INLINE_COMMENTS end = find_chars_or_comment(value, NULL); if (*end) *end = '\0'; #endif value = lskip(value); rstrip(value); /* Strip surrounding double and single quotes */ if ((*value == '"') && (value[strlen(value) - 1] == '"')) { value[strlen(value) - 1] = '\0'; value += 1; } else { if ((*value == '"') && (value[strlen(value) - 1] == '"')) { value[strlen(value) - 1] = '\0'; value += 1; } } /* Valid name[=:]value pair found, call handler */ strncpy0(prev_name, name, sizeof(prev_name)); if (!HANDLER(user, section, name, value) && !error) error = lineno; } else if (!error) { /* No '=' or ':' found on name[=:]value line */ error = lineno; } } #if INI_STOP_ON_FIRST_ERROR if (error) break; #endif } #if !INI_USE_STACK free(line); #endif return error; }
/* See documentation in header file. */ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler, void* user) { /* Uses a fair bit of stack (use heap instead if you need to) */ #if INI_USE_STACK char line[INI_MAX_LINE]; #else char* line; #endif char section[MAX_SECTION] = ""; char prev_name[MAX_NAME] = ""; char* start; char* end; char* name; char* value; int lineno = 0; int error = 0; #if !INI_USE_STACK line = (char*)malloc(INI_MAX_LINE); if (!line) { return -2; } #endif #if INI_HANDLER_LINENO #define HANDLER(u, s, n, v) handler(u, s, n, v, lineno) #else #define HANDLER(u, s, n, v) handler(u, s, n, v) #endif /* Scan through stream line by line */ while (reader(line, INI_MAX_LINE, stream) != NULL) { lineno++; start = line; #if INI_ALLOW_BOM if (lineno == 1 && (unsigned char)start[0] == 0xEF && (unsigned char)start[1] == 0xBB && (unsigned char)start[2] == 0xBF) { start += 3; } #endif start = lskip(rstrip(start)); if (*start == ';' || *start == '#') { /* Per Python configparser, allow both ; and # comments at the start of a line */ } #if INI_ALLOW_MULTILINE else if (*prev_name && *start && start > line) { /* Non-blank line with leading whitespace, treat as continuation of previous name's value (as per Python configparser). */ if (!HANDLER(user, section, prev_name, start) && !error) error = lineno; } #endif else if (*start == '[') { /* A "[section]" line */ end = find_chars_or_comment(start + 1, "]"); if (*end == ']') { *end = '\0'; strncpy0(section, start + 1, sizeof(section)); *prev_name = '\0'; } else if (!error) { /* No ']' found on section line */ error = lineno; } } else if (*start) { /* Not a comment, must be a name[=:]value pair */ end = find_chars_or_comment(start, "=:"); if (*end == '=' || *end == ':') { *end = '\0'; name = rstrip(start); value = end + 1; #if INI_ALLOW_INLINE_COMMENTS end = find_chars_or_comment(value, NULL); if (*end) *end = '\0'; #endif value = lskip(value); rstrip(value); /* Valid name[=:]value pair found, call handler */ strncpy0(prev_name, name, sizeof(prev_name)); if (!HANDLER(user, section, name, value) && !error) error = lineno; } else if (!error) { /* No '=' or ':' found on name[=:]value line */ error = lineno; } } #if INI_STOP_ON_FIRST_ERROR if (error) break; #endif } #if !INI_USE_STACK free(line); #endif return error; }