fixed reading from stdin

ChangeLog

@@ -1,5 +1,13 @@
 Ansifilter ChangeLog
 
+06.08.2017
+
+ansifilter 2.8
+
+-fixed reading from stdin (https://github.com/andre-simon/ansifilter/issues/8)
+
+---
+
 03.08.2017
 
 ansifilter 2.7

README

@@ -1,5 +1,5 @@
 -------------------------------------------------------------------------------
----  ANSIFILTER MANUAL - Version 2.6  --------------------------- JULY 2017 ---
+---  ANSIFILTER MANUAL - Version 2.8  ------------------------- AUGUST 2017 ---
 -------------------------------------------------------------------------------
 
 OSI Certified Open Source Software
@@ -60,9 +60,9 @@ Format options:
       --wrap-no-numbers  Omit line numbers of wrapped lines (assumes -l)
 
 ANSI art options:
-      --art-cp437        Parse codepage 437 ANSI art (HTML, RTF output only)
-      --art-bin          Parse BIN/XBIN ANSI art (HTML, RTF output only)
-      --art-tundra       Parse Tundra ANSI art (HTML, RTF output only)
+      --art-cp437        Parse codepage 437 ANSI art (HTML, RTF output)
+      --art-bin          Parse BIN/XBIN ANSI art (HTML output, no stdin)
+      --art-tundra       Parse Tundra ANSI art (HTML output, no stdin)
       --art-width        Set ANSI art width (default 80)
       --art-height       Set ANSI art height (default 150)
 
@@ -76,6 +76,7 @@ ansifilter *.txt
 tail -f server.log | ansifilter
 
 Parsing XBIN files overrides --art-width, --art-height and --map options.
+The ANSI art file formats BIN, XBIN and TND cannot be read from stdin.
 
 The GUI version (ansifilter-gui) also accepts the first command line argument
 as input file name.

src/codegenerator.cpp

@@ -964,9 +964,11 @@ void CodeGenerator::allocateTermBuffer(){
 }
 
 bool CodeGenerator::streamIsXBIN() {
+  if (in==&cin) return false;
+
   bool isXBIN = false;
   char head[5] = {0};
-  if (in!=&cin && in->read (head, sizeof head -1) ) {
+  if (in->read (head, sizeof head -1) ) {
     isXBIN = string(head)=="XBIN";
   }
   in->clear();
@@ -976,13 +978,14 @@ bool CodeGenerator::streamIsXBIN() {
 
 
 bool CodeGenerator::streamIsTundra() {
+  if (in==&cin) return false;
+
   bool isTND = false;
   char head[10] = {0};
 
-  if (in!=&cin && in->read (head, sizeof head -1) ) {
+  if (in->read (head, sizeof head -1) ) {
     isTND = string(head)=="\x18TUNDRA24";
   }
-
   in->clear();
   in->seekg (0, ios::beg);
   return isTND;

src/main.cpp

@@ -81,9 +81,9 @@ void ANSIFilterApp::printHelp()
     cout << "      --wrap-no-numbers  Omit line numbers of wrapped lines (assumes -l)\n";
 
     cout << "\nANSI art options:\n";
-    cout << "      --art-cp437        Parse codepage 437 ANSI art (HTML, RTF output only)\n";
-    cout << "      --art-bin          Parse BIN/XBIN ANSI art (HTML, RTF output only)\n";
-    cout << "      --art-tundra       Parse Tundra ANSI art (HTML, RTF output only)\n";
+    cout << "      --art-cp437        Parse codepage 437 ANSI art (HTML and RTF output)\n";
+    cout << "      --art-bin          Parse BIN/XBIN ANSI art (HTML output, no stdin)\n";
+    cout << "      --art-tundra       Parse Tundra ANSI art (HTML output, no stdin)\n";
     cout << "      --art-width        Set ANSI art width (default 80)\n";
     cout << "      --art-height       Set ANSI art height (default 150)\n";
 
@@ -95,6 +95,7 @@ void ANSIFilterApp::printHelp()
     cout << "ansifilter *.txt\n";
     cout << "tail -f server.log | ansifilter\n\n";
     cout << "Parsing XBIN files overrides --art-width, --art-height and --map options.\n";
+    cout << "The ANSI art file formats BIN, XBIN and TND cannot be read from stdin.\n";
     cout << "\nPlease report bugs to " ANSIFILTER_EMAIL "\n";
     cout << "For updates see " ANSIFILTER_URL "\n";
 }

src/version.h

@@ -25,7 +25,7 @@ along with ANSIFilter.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef VERSION_H
 #define VERSION_H
 
-#define ANSIFILTER_VERSION "2.7"
+#define ANSIFILTER_VERSION "2.8"
 
 #define ANSIFILTER_URL   "http://www.andre-simon.de/"
 #define ANSIFILTER_EMAIL "andre.simon1@gmx.de"