diff --git a/cJSON.c b/cJSON.c index 524ba46..28cfc98 100644 --- a/cJSON.c +++ b/cJSON.c @@ -1033,6 +1033,55 @@ static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buf static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer); static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer); static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer); +static parse_buffer *buffer_skip_whitespace(parse_buffer * const buffer); + +/* Utility to skip comments */ +static parse_buffer *buffer_skip_comment(parse_buffer * const buffer) +{ + if ((buffer == NULL) || (buffer->content == NULL)) + { + return NULL; + } + + if (cannot_access_at_index(buffer, 0) || cannot_access_at_index(buffer, 1)) + { + return buffer; + } + + if (buffer_at_offset(buffer)[0] == '/' && buffer_at_offset(buffer)[1] == '/') + { + buffer->offset += 2; // skipping '/' '/' + while (can_access_at_index(buffer, 0) && !(buffer_at_offset(buffer)[0] == '\n')) + { + buffer->offset++; + } + buffer->offset++; // skipping '\n' + buffer_skip_whitespace(buffer); // continue to trim whitespaces afterwards + } + + if ((buffer_at_offset(buffer)[0] == '/') && (buffer_at_offset(buffer)[1] == '*')) + { + /* skipping '/' '*' */ + buffer->offset += 2; + while (can_access_at_index(buffer, 0) && can_access_at_index(buffer, 1) && + !(buffer_at_offset(buffer)[0] == '*' && buffer_at_offset(buffer)[0] == '/')) + { + buffer->offset++; + } + /* skipping '*' '/' */ + buffer->offset += 2; + + /* continue to trim whitespaces afterwards */ + buffer_skip_whitespace(buffer); + } + + if (buffer->offset == buffer->length) + { + buffer->offset--; + } + + return buffer; +} /* Utility to jump whitespace and cr/lf */ static parse_buffer *buffer_skip_whitespace(parse_buffer * const buffer) @@ -1052,6 +1101,8 @@ static parse_buffer *buffer_skip_whitespace(parse_buffer * const buffer) buffer->offset++; } + buffer_skip_comments(buffer); + if (buffer->offset == buffer->length) { buffer->offset--;