diff options
author | Roberto C. Sanchez <roberto@connexer.com> | 2014-03-29 10:53:59 -0400 |
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committer | Roberto C. Sanchez <roberto@connexer.com> | 2014-03-29 10:53:59 -0400 |
commit | 03134fa5f6f25d92724ce4c183f9bbe12a9e37dc (patch) | |
tree | 847326a4de82f0241ac87cbbc427a1b92a696a02 /src/modules/filters/utf8html.cpp | |
parent | d7469385b05b9510338407fa123e9ad090f80af6 (diff) |
Imported Upstream version 1.5.11
Diffstat (limited to 'src/modules/filters/utf8html.cpp')
-rw-r--r-- | src/modules/filters/utf8html.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/modules/filters/utf8html.cpp b/src/modules/filters/utf8html.cpp new file mode 100644 index 0000000..088f669 --- /dev/null +++ b/src/modules/filters/utf8html.cpp @@ -0,0 +1,70 @@ +/****************************************************************************** + * + * utf8html - SWFilter descendant to convert a UTF-8 stream to HTML escapes + * + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <utf8html.h> +#include <swbuf.h> + +SWORD_NAMESPACE_START + +UTF8HTML::UTF8HTML() { +} + + +char UTF8HTML::processText(SWBuf &text, const SWKey *key, const SWModule *module) +{ + unsigned char *from; + int len; + char digit[10]; + unsigned long ch; + if ((unsigned long)key < 2) // hack, we're en(1)/de(0)ciphering + return (char)-1; + + len = strlen(text.c_str()) + 2; // shift string to right of buffer + + SWBuf orig = text; + from = (unsigned char *)orig.c_str(); + + // ------------------------------- + for (text = ""; *from; from++) { + ch = 0; + if ((*from & 128) != 128) { +// if (*from != ' ') + text += *from; + continue; + } + if ((*from & 128) && ((*from & 64) != 64)) { + // error + *from = 'x'; + continue; + } + *from <<= 1; + int subsequent; + for (subsequent = 1; (*from & 128); subsequent++) { + *from <<= 1; + from[subsequent] &= 63; + ch <<= 6; + ch |= from[subsequent]; + } + subsequent--; + *from <<=1; + char significantFirstBits = 8 - (2+subsequent); + + ch |= (((short)*from) << (((6*subsequent)+significantFirstBits)-8)); + from += subsequent; + text += '&'; + text += '#'; + sprintf(digit, "%ld", ch); + for (char *dig = digit; *dig; dig++) + text += *dig; + text += ';'; + } + return 0; +} + +SWORD_NAMESPACE_END |