diff options
Diffstat (limited to 'src/deh_io.c')
| -rw-r--r-- | src/deh_io.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/deh_io.c b/src/deh_io.c index 778170fd..fa02aa2e 100644 --- a/src/deh_io.c +++ b/src/deh_io.c @@ -19,6 +19,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <ctype.h> #include "i_system.h" #include "m_misc.h" @@ -224,10 +225,11 @@ static void IncreaseReadBuffer(deh_context_t *context) // Read a whole line -char *DEH_ReadLine(deh_context_t *context) +char *DEH_ReadLine(deh_context_t *context, boolean extended) { int c; int pos; + boolean escaped = false; for (pos = 0;;) { @@ -247,6 +249,39 @@ char *DEH_ReadLine(deh_context_t *context) IncreaseReadBuffer(context); } + // extended string support + if (extended && c == '\\') + { + c = DEH_GetChar(context); + + // "\n" in the middle of a string indicates an internal linefeed + if (c == 'n') + { + context->readbuffer[pos] = '\n'; + ++pos; + continue; + } + + // values to be assigned may be split onto multiple lines by ending + // each line that is to be continued with a backslash + if (c == '\n') + { + escaped = true; + continue; + } + } + + // blanks before the backslash are included in the string + // but indentation after the linefeed is not + if (escaped && isspace(c) && c != '\n') + { + continue; + } + else + { + escaped = false; + } + if (c == '\n') { // end of line: a full line has been read |