/* * "Software G3270, desenvolvido com base nos códigos fontes do WC3270 e X3270 * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a * aplicativos mainframe. Registro no INPI sob o nome G3270. * * Copyright (C) <2008> * * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob * os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela * Free Software Foundation. * * Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para * obter mais detalhes. * * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin * St, Fifth Floor, Boston, MA 02110-1301 USA * * Este programa está nomeado como html.c e possui - linhas de código. * * Contatos: * * perry.werneck@gmail.com (Alexandre Perry de Souza Werneck) * */ #include #include #include #include #include #include #include "globals.h" #include "utilc.h" struct chr_xlat { unsigned char chr; const char * xlat; }; /*--[ Defines ]--------------------------------------------------------------------------------------*/ enum html_element { HTML_ELEMENT_LINE_BREAK, HTML_ELEMENT_BEGIN_COLOR, HTML_ELEMENT_END_COLOR, HTML_ELEMENT_HEADER, HTML_ELEMENT_FOOTER, HTML_ELEMENT_COUNT }; static const char * element_text[HTML_ELEMENT_COUNT] = { #ifdef DEBUG "
\n", #else "
", #endif // Debug "", "", "", "" }; static const char * html_color[] = { // Terminal colors "black", "deepSkyBlue", "red", "pink", "green", "turquoise", "yellow", "white", "black", "blue", "orange", "purple", "paleGreen", "paleTurquoise", "grey", "white", // Field colors "green", // Normal/Unprotected "red", // Intensified/Unprotected "cyan", // Normal/Protected "white", // Intensified/Protected }; struct html_info { int szText; enum mode { HTML_MODE_TEXT, /**< Non editable */ HTML_MODE_INPUT_TEXT, /**< Text input */ HTML_MODE_INPUT_VALUE, /**< Value input */ HTML_MODE_INPUT_BUTTON, /**< Button input (PFkey) */ } mode; char * text; int maxlength; unsigned short fg; unsigned short bg; }; /*--[ Implement ]------------------------------------------------------------------------------------*/ static void append_string(struct html_info *info, const char *text) { int sz = strlen(info->text)+strlen(text); if(strlen(info->text)+sz <= info->szText) { info->szText += (100+sz); info->text = lib3270_realloc(info->text,info->szText); } strcat(info->text,text); } static void append_element(struct html_info *info, enum html_element id) { append_string(info,element_text[id]); } static void update_colors(struct html_info *info, unsigned short attr) { unsigned short fg; unsigned short bg = ((attr & 0x00F0) >> 4); char * txt; if(attr & LIB3270_ATTR_FIELD) fg = 16+(attr & 0x0003); else fg = (attr & 0x000F); if(fg == info->fg && bg == info->bg) return; if(info->fg != 0xFF) append_string(info,element_text[HTML_ELEMENT_END_COLOR]); txt = xs_buffer(element_text[HTML_ELEMENT_BEGIN_COLOR],html_color[fg],html_color[bg]); append_string(info,txt); lib3270_free(txt); info->fg = fg; info->bg = bg; } static void 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); } static void open_input(struct html_info *info, int addr) { char name[30]; snprintf(name,29,"F%04d",addr); append_string(info,"mode = HTML_MODE_INPUT_TEXT; } static void close_input(struct html_info *info) { char buffer[80]; if(info->mode == HTML_MODE_TEXT) return; snprintf(buffer,80," maxlength=\"%d\" class=\"IW%03d\"",info->maxlength,info->maxlength); append_string(info,buffer); append_string(info,">"); info->mode = HTML_MODE_TEXT; info->maxlength = 0; } LIB3270_EXPORT char * lib3270_get_as_html(H3270 *session, LIB3270_HTML_OPTION option) { int row, baddr; struct html_info info; memset(&info,0,sizeof(info)); info.szText = session->rows * (session->cols + strlen(element_text[HTML_ELEMENT_LINE_BREAK])+1); info.text = lib3270_malloc(info.szText+1); info.fg = 0xFF; info.bg = 0xFF; info.mode = HTML_MODE_TEXT; 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++) { int cr = 0; int len = 0; int col; for(col = 0; col < session->cols;col++) { if( session->text[baddr+col].chr != ' ' || (session->text[baddr+col].attr & LIB3270_ATTR_CG)) len = col; } for(col = 0; col <= len || (col < session->cols && info.mode != HTML_MODE_TEXT);col++) { if((option & LIB3270_HTML_OPTION_ALL) || (session->text[baddr+col].attr & LIB3270_ATTR_SELECTED)) { cr++; if((session->text[baddr+col].attr & LIB3270_ATTR_MARKER) && (option & LIB3270_HTML_OPTION_FORM) ) { int fa = (session->ea_buf[baddr+col].fa & FA_MASK); int tx = (info.mode == HTML_MODE_TEXT); close_input(&info); update_colors(&info,session->text[baddr+col].attr); if(!FA_IS_PROTECTED(fa)) { // Input field char *text = lib3270_get_field_at(session,baddr+col+1); open_input(&info,baddr+col+1); if(text) { char *ptr = text; for(ptr = text; *ptr && (*ptr == ' ' || *ptr == '_'); ptr++); if(*ptr) { append_string(&info," value=\""); append_string(&info,ptr); append_string(&info,"\""); } lib3270_free(text); } } else if(col < len && session->text[baddr+col+1].chr == 'F') { char *text = lib3270_get_field_at(session,baddr+col+1); if(text) { char *ptr = text; while(*ptr && *ptr == ' ') ptr++; if(strlen(ptr)>1) { int value = atoi(ptr+1); if(value > 1 && value < 24) { // E uma PF, cria um botao char name[30]; snprintf(name,29,"PF%02d",value); append_string(&info,"text[baddr+col].attr); if(session->text[baddr+col].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, "≤" }, // CG 0xf7, less or equal "≤" { 0xae, "≥" }, // CG 0xd9, greater or equal "≥" { 0xbe, "≠" }, // CG 0x3e, not equal "≠" { 0xad, "[" }, // "[" { 0xbd, "]" }, // "]" { 0x00, NULL } }; append_char(&info, xlat, session->text[baddr+col].chr); } else { static const struct chr_xlat xlat[] = { { '"', """ }, { '&', "&" }, { '<', "<" }, { '>', ">" }, { ' ', " " }, { 0x00, NULL } }; append_char(&info, xlat, session->text[baddr+col].chr); } } else { // Input contents info.maxlength++; } } } baddr += session->cols; if(info.mode != HTML_MODE_TEXT) { #warning Incluir o tratamento correto close_input(&info); } if(cr || (option && LIB3270_HTML_OPTION_ALL)) append_element(&info,HTML_ELEMENT_LINE_BREAK); } 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); }