Implementando leitura da tela em formato html

perry.werneck@gmail.com
1 parent 66621f13
Showing 1 changed file with 84 additions and 4 deletions Show diff stats
html.c
@@ -34,6 +34,12 @@
  #include "globals.h"
  #include "utilc.h"
+ struct chr_xlat
+ {
+	unsigned char 	  chr;
+	const char		* xlat;
+ };
+
 /*--[ Defines ]--------------------------------------------------------------------------------------*/
  enum html_element
@@ -41,6 +47,8 @@
 	HTML_ELEMENT_LINE_BREAK,
 	HTML_ELEMENT_BEGIN_COLOR,
 	HTML_ELEMENT_END_COLOR,
+	HTML_ELEMENT_HEADER,
+	HTML_ELEMENT_FOOTER,
 	HTML_ELEMENT_COUNT
  };
@@ -54,6 +62,8 @@
 #endif // Debug
 	"<span style=\"color:%s;background-color:%s\">",
 	"</span>",
+	"<!DOCTYPE html><html><head><meta http-equiv=\"content-type\" content=\"text/html;charset=%s\"/></head><body style=\"font-family:courier;background-color:%s\">",
+	"</body></html>"
  };
  static const char * html_color[] =
@@ -131,7 +141,25 @@
 	info->bg = bg;
  }
- LIB3270_EXPORT char * lib3270_get_as_html(H3270 *session, unsigned char all)
+ static const append_char(struct html_info *info, const struct chr_xlat *xlat, unsigned char chr)
+ {
+	char txt[] = { chr, 0 };
+	int f;
+
+	for(f=0;xlat[f].chr;f++)
+	{
+		if(xlat[f].chr == chr)
+		{
+			append_string(info,xlat[f].xlat);
+			return;
+		}
+	}
+
+	append_string(info,txt);
+
+ }
+
+ LIB3270_EXPORT char * lib3270_get_as_html(H3270 *session, LIB3270_HTML_OPTION option)
  {
 	int	row, col, baddr;
 	struct html_info info;
@@ -142,6 +170,13 @@
  	info.fg		= 0xFF;
  	info.bg		= 0xFF;
+	if(option & LIB3270_HTML_OPTION_HEADERS)
+	{
+		char *txt = xs_buffer(element_text[HTML_ELEMENT_HEADER],lib3270_get_charset(session),html_color[0]);
+		append_string(&info,txt);
+		lib3270_free(txt);
+	}
+
 	baddr = 0;
 	for(row=0;row < session->rows;row++)
 	{
@@ -149,12 +184,54 @@
 		for(col = 0; col < session->cols;col++)
 		{
-			if(all || session->text[baddr].attr & LIB3270_ATTR_SELECTED)
+			if((option && LIB3270_HTML_OPTION_ALL) || (session->text[baddr].attr & LIB3270_ATTR_SELECTED))
 			{
-				char txt[] = { session->text[baddr].chr, 0 };
 				cr++;
 				update_colors(&info,session->text[baddr].attr);
-				append_string(&info,txt);
+
+				if(session->text[baddr].attr & LIB3270_ATTR_CG)
+				{
+					static const struct chr_xlat xlat[] =
+					{
+						{ 0xd3, "+"		}, // CG 0xab, plus
+						{ 0xa2, "-"		}, // CG 0x92, horizontal line
+						{ 0x85, "|"		}, // CG 0x184, vertical line
+						{ 0xd4, "+"		}, // CG 0xac, LR corner
+						{ 0xd5, "+"		}, // CG 0xad, UR corner
+						{ 0xc5, "+"		}, // CG 0xa4, UL corner
+						{ 0xc4, "+"		}, // CG 0xa3, LL corner
+						{ 0xc6, "|"		}, // CG 0xa5, left tee
+						{ 0xd6, "|"		}, // CG 0xae, right tee
+						{ 0xc7, "-"		}, // CG 0xa6, bottom tee
+						{ 0xd7, "-"		}, // CG 0xaf, top tee
+						{ 0x8c, "&le;"	}, // CG 0xf7, less or equal "≤"
+						{ 0xae, "&ge;"	}, // CG 0xd9, greater or equal "≥"
+						{ 0xbe, "&ne;"	}, // CG 0x3e, not equal "≠"
+						{ 0xad, "["		}, // "["
+						{ 0xbd, "]"		}, // "]"
+
+						{ 0x00, NULL	}
+					};
+
+					append_char(&info, xlat, session->text[baddr].chr);
+
+				}
+				else
+				{
+					static const struct chr_xlat xlat[] =
+					{
+						{ '"',	"&quot;"	},
+						{ '&',	"&amp;"		},
+						{ '<',	"&lt;"		},
+						{ '>',	"&gt;"		},
+
+						{ 0x00, NULL		}
+					};
+
+					append_char(&info, xlat, session->text[baddr].chr);
+
+				}
+
 			}
 			baddr++;
 		}
@@ -166,6 +243,9 @@
 	if(info.fg != 0xFF)
 		append_string(&info,element_text[HTML_ELEMENT_END_COLOR]);
+	if(option & LIB3270_HTML_OPTION_HEADERS)
+		append_element(&info,HTML_ELEMENT_FOOTER);
+
 	return lib3270_realloc(info.text,strlen(info.text)+2);
  }
	@@ -34,6 +34,12 @@		@@ -34,6 +34,12 @@
34	#include "globals.h"	34	#include "globals.h"
35	#include "utilc.h"	35	#include "utilc.h"
36		36
		37	+ struct chr_xlat
		38	+ {
		39	+ unsigned char chr;
		40	+ const char * xlat;
		41	+ };
		42	+
37	/--[ Defines ]--------------------------------------------------------------------------------------/	43	/--[ Defines ]--------------------------------------------------------------------------------------/
38		44
39	enum html_element	45	enum html_element
	@@ -41,6 +47,8 @@		@@ -41,6 +47,8 @@
41	HTML_ELEMENT_LINE_BREAK,	47	HTML_ELEMENT_LINE_BREAK,
42	HTML_ELEMENT_BEGIN_COLOR,	48	HTML_ELEMENT_BEGIN_COLOR,
43	HTML_ELEMENT_END_COLOR,	49	HTML_ELEMENT_END_COLOR,
		50	+ HTML_ELEMENT_HEADER,
		51	+ HTML_ELEMENT_FOOTER,
44		52
45	HTML_ELEMENT_COUNT	53	HTML_ELEMENT_COUNT
46	};	54	};
	@@ -54,6 +62,8 @@		@@ -54,6 +62,8 @@
54	#endif // Debug	62	#endif // Debug
55	"<span style=\"color:%s;background-color:%s\">",	63	"<span style=\"color:%s;background-color:%s\">",
56	"</span>",	64	"</span>",
		65	+ "<!DOCTYPE html><html><head><meta http-equiv=\"content-type\" content=\"text/html;charset=%s\"/></head><body style=\"font-family:courier;background-color:%s\">",
		66	+ "</body></html>"
57	};	67	};
58		68
59	static const char * html_color[] =	69	static const char * html_color[] =
	@@ -131,7 +141,25 @@		@@ -131,7 +141,25 @@
131	info->bg = bg;	141	info->bg = bg;
132	}	142	}
133		143
134	- LIB3270_EXPORT char * lib3270_get_as_html(H3270 *session, unsigned char all)	144	+ static const append_char(struct html_info info, const struct chr_xlat xlat, unsigned char chr)
		145	+ {
		146	+ char txt[] = { chr, 0 };
		147	+ int f;
		148	+
		149	+ for(f=0;xlat[f].chr;f++)
		150	+ {
		151	+ if(xlat[f].chr == chr)
		152	+ {
		153	+ append_string(info,xlat[f].xlat);
		154	+ return;
		155	+ }
		156	+ }
		157	+
		158	+ append_string(info,txt);
		159	+
		160	+ }
		161	+
		162	+ LIB3270_EXPORT char * lib3270_get_as_html(H3270 *session, LIB3270_HTML_OPTION option)
135	{	163	{
136	int row, col, baddr;	164	int row, col, baddr;
137	struct html_info info;	165	struct html_info info;
	@@ -142,6 +170,13 @@		@@ -142,6 +170,13 @@
142	info.fg = 0xFF;	170	info.fg = 0xFF;
143	info.bg = 0xFF;	171	info.bg = 0xFF;
144		172
		173	+ if(option & LIB3270_HTML_OPTION_HEADERS)
		174	+ {
		175	+ char *txt = xs_buffer(element_text[HTML_ELEMENT_HEADER],lib3270_get_charset(session),html_color[0]);
		176	+ append_string(&info,txt);
		177	+ lib3270_free(txt);
		178	+ }
		179	+
145	baddr = 0;	180	baddr = 0;
146	for(row=0;row < session->rows;row++)	181	for(row=0;row < session->rows;row++)
147	{	182	{
	@@ -149,12 +184,54 @@		@@ -149,12 +184,54 @@
149		184
150	for(col = 0; col < session->cols;col++)	185	for(col = 0; col < session->cols;col++)
151	{	186	{
152	- if(all \|\| session->text[baddr].attr & LIB3270_ATTR_SELECTED)	187	+ if((option && LIB3270_HTML_OPTION_ALL) \|\| (session->text[baddr].attr & LIB3270_ATTR_SELECTED))
153	{	188	{
154	- char txt[] = { session->text[baddr].chr, 0 };
155	cr++;	189	cr++;
156	update_colors(&info,session->text[baddr].attr);	190	update_colors(&info,session->text[baddr].attr);
157	- append_string(&info,txt);	191	+
		192	+ if(session->text[baddr].attr & LIB3270_ATTR_CG)
		193	+ {
		194	+ static const struct chr_xlat xlat[] =
		195	+ {
		196	+ { 0xd3, "+" }, // CG 0xab, plus
		197	+ { 0xa2, "-" }, // CG 0x92, horizontal line
		198	+ { 0x85, "\|" }, // CG 0x184, vertical line
		199	+ { 0xd4, "+" }, // CG 0xac, LR corner
		200	+ { 0xd5, "+" }, // CG 0xad, UR corner
		201	+ { 0xc5, "+" }, // CG 0xa4, UL corner
		202	+ { 0xc4, "+" }, // CG 0xa3, LL corner
		203	+ { 0xc6, "\|" }, // CG 0xa5, left tee
		204	+ { 0xd6, "\|" }, // CG 0xae, right tee
		205	+ { 0xc7, "-" }, // CG 0xa6, bottom tee
		206	+ { 0xd7, "-" }, // CG 0xaf, top tee
		207	+ { 0x8c, "≤" }, // CG 0xf7, less or equal "≤"
		208	+ { 0xae, "≥" }, // CG 0xd9, greater or equal "≥"
		209	+ { 0xbe, "≠" }, // CG 0x3e, not equal "≠"
		210	+ { 0xad, "[" }, // "["
		211	+ { 0xbd, "]" }, // "]"
		212	+
		213	+ { 0x00, NULL }
		214	+ };
		215	+
		216	+ append_char(&info, xlat, session->text[baddr].chr);
		217	+
		218	+ }
		219	+ else
		220	+ {
		221	+ static const struct chr_xlat xlat[] =
		222	+ {
		223	+ { '"', """ },
		224	+ { '&', "&" },
		225	+ { '<', "<" },
		226	+ { '>', ">" },
		227	+
		228	+ { 0x00, NULL }
		229	+ };
		230	+
		231	+ append_char(&info, xlat, session->text[baddr].chr);
		232	+
		233	+ }
		234	+
158	}	235	}
159	baddr++;	236	baddr++;
160	}	237	}
	@@ -166,6 +243,9 @@		@@ -166,6 +243,9 @@
166	if(info.fg != 0xFF)	243	if(info.fg != 0xFF)
167	append_string(&info,element_text[HTML_ELEMENT_END_COLOR]);	244	append_string(&info,element_text[HTML_ELEMENT_END_COLOR]);
168		245
		246	+ if(option & LIB3270_HTML_OPTION_HEADERS)
		247	+ append_element(&info,HTML_ELEMENT_FOOTER);
		248	+
169	return lib3270_realloc(info.text,strlen(info.text)+2);	249	return lib3270_realloc(info.text,strlen(info.text)+2);
170	}	250	}
171		251