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	34	#include "globals.h"
35	35	#include "utilc.h"
36	36
	37	+ struct chr_xlat
	38	+ {
	39	+ unsigned char chr;
	40	+ const char * xlat;
	41	+ };
	42	+
37	43	/--[ Defines ]--------------------------------------------------------------------------------------/
38	44
39	45	enum html_element
...	...	@@ -41,6 +47,8 @@
41	47	HTML_ELEMENT_LINE_BREAK,
42	48	HTML_ELEMENT_BEGIN_COLOR,
43	49	HTML_ELEMENT_END_COLOR,
	50	+ HTML_ELEMENT_HEADER,
	51	+ HTML_ELEMENT_FOOTER,
44	52
45	53	HTML_ELEMENT_COUNT
46	54	};
...	...	@@ -54,6 +62,8 @@
54	62	#endif // Debug
55	63	"<span style=\"color:%s;background-color:%s\">",
56	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	69	static const char * html_color[] =
...	...	@@ -131,7 +141,25 @@
131	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	164	int row, col, baddr;
137	165	struct html_info info;
...	...	@@ -142,6 +170,13 @@
142	170	info.fg = 0xFF;
143	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	180	baddr = 0;
146	181	for(row=0;row < session->rows;row++)
147	182	{
...	...	@@ -149,12 +184,54 @@
149	184
150	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	189	cr++;
156	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	236	baddr++;
160	237	}
...	...	@@ -166,6 +243,9 @@
166	243	if(info.fg != 0xFF)
167	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	249	return lib3270_realloc(info.text,strlen(info.text)+2);
170	250	}
171	251
...	...