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Overview
Comment: | Attempt to provide a renderer for the bubble syntax that produces all text output for users not wanting the graphical version. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
b1e7df7e1198e1513c7c2540e7cca7e5 |
User & Date: | shaneh 2010-03-23 21:39:07.000 |
Context
2010-03-24
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03:36 | Minor updates to text based syntax generator to support IE8. Unfortunately, IE8 doesn't support radius styles on tables. (check-in: 4f317a713b user: shaneh tags: trunk) | |
2010-03-23
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21:39 | Attempt to provide a renderer for the bubble syntax that produces all text output for users not wanting the graphical version. (check-in: b1e7df7e11 user: shaneh tags: trunk) | |
13:12 | Update the file format documentation to show that the database size is stored in the header at offset 28. (check-in: 2ceac5efd8 user: drh tags: trunk) | |
Changes
Added art/syntax/bubble-generator-text.tcl.
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It may # be useful to people wanting text search or screen reader # support. # Graphs: # set all_graphs { sql-stmt-list { toploop {optx sql-stmt} ; } sql-stmt { line {opt EXPLAIN {opt QUERY PLAN}} {or alter-table-stmt analyze-stmt attach-stmt begin-stmt commit-stmt create-index-stmt create-table-stmt create-trigger-stmt create-view-stmt create-virtual-table-stmt delete-stmt delete-stmt-limited detach-stmt drop-index-stmt drop-table-stmt drop-trigger-stmt drop-view-stmt insert-stmt pragma-stmt reindex-stmt release-stmt rollback-stmt savepoint-stmt select-stmt update-stmt update-stmt-limited vacuum-stmt } } alter-table-stmt { stack {line ALTER TABLE {optx /database-name .} /table-name} {tailbranch {line RENAME TO /new-table-name} {line ADD {optx COLUMN} column-def} } } analyze-stmt { line ANALYZE {or nil /database-name /table-name {line /database-name . /table-name}} } attach-stmt { line ATTACH {or DATABASE nil} /filename AS /database-name } begin-stmt { line BEGIN {or nil DEFERRED IMMEDIATE EXCLUSIVE} {optx TRANSACTION} } commit-stmt { line {or COMMIT END} {optx TRANSACTION} } rollback-stmt { line ROLLBACK {optx TRANSACTION} {optx TO {optx SAVEPOINT} /savepoint-name} } savepoint-stmt { line SAVEPOINT /savepoint-name } release-stmt { line RELEASE {optx SAVEPOINT} /savepoint-name } create-index-stmt { stack {line CREATE {opt UNIQUE} INDEX {opt IF NOT EXISTS}} {line {optx /database-name .} /index-name ON /table-name ( {loop indexed-column ,} )} } indexed-column { line /column-name {optx COLLATE /collation-name} {or ASC DESC nil} } create-table-stmt { stack {line CREATE {or {} TEMP TEMPORARY} TABLE {opt IF NOT EXISTS}} {line {optx /database-name .} /table-name {tailbranch {line ( {loop column-def ,} {loop {} {, table-constraint}} )} {line AS select-stmt} } } } column-def { line /column-name {or type-name nil} {loop nil {nil column-constraint nil}} } type-name { line {loop /name {}} {or {} {line ( signed-number )} {line ( signed-number , signed-number )} } } column-constraint { stack {optx CONSTRAINT /name} {or {line PRIMARY KEY {or nil ASC DESC} conflict-clause {opt AUTOINCREMENT} } {line NOT NULL conflict-clause} {line UNIQUE conflict-clause} {line CHECK ( expr )} {line DEFAULT {or signed-number literal-value {line ( expr )} } } {line COLLATE /collation-name} {line foreign-key-clause} } } signed-number { line {or nil + -} {or /integer-literal /floating-point-literal} } table-constraint { stack {optx CONSTRAINT /name} {or {line {or {line PRIMARY KEY} UNIQUE} ( {loop indexed-column ,} ) conflict-clause} {line CHECK ( expr )} {line FOREIGN KEY ( {loop /column-name ,} ) foreign-key-clause } } } foreign-key-clause { stack {line REFERENCES /foreign-table {optx ( {loop /column-name ,} )}} {optx {loop {or {line ON {or DELETE UPDATE} {or {line SET NULL} {line SET DEFAULT} CASCADE RESTRICT {line NO ACTION} } } {line MATCH /name} } {} } } {optx {line {optx NOT} DEFERRABLE {or {line INITIALLY DEFERRED} {line INITIALLY IMMEDIATE} {} } } nil } } conflict-clause { opt {line ON CONFLICT {or ROLLBACK ABORT FAIL IGNORE REPLACE}} } create-trigger-stmt { stack {line CREATE {or {} TEMP TEMPORARY} TRIGGER {opt IF NOT EXISTS}} {line {optx /database-name .} /trigger-name {or BEFORE AFTER {line INSTEAD OF} nil} } {line {or DELETE INSERT {line UPDATE {opt OF {loop /column-name ,} }} } ON /table-name } {line {optx FOR EACH ROW} {optx WHEN expr} } {line BEGIN {loop {line {or update-stmt insert-stmt delete-stmt select-stmt} ;} nil } END } } create-view-stmt { stack {line CREATE {or {} TEMP TEMPORARY} VIEW {opt IF NOT EXISTS}} {line {optx /database-name .} /view-name AS select-stmt} } create-virtual-table-stmt { stack {line CREATE VIRTUAL TABLE {optx /database-name .} /table-name} {line USING /module-name {optx ( {loop module-argument ,} )}} } delete-stmt { line DELETE FROM qualified-table-name {optx WHERE expr} } delete-stmt-limited { stack {line DELETE FROM qualified-table-name {optx WHERE expr}} {optx {stack {optx ORDER BY {loop ordering-term ,}} {line LIMIT /integer {optx {or OFFSET ,} /integer}} } } } detach-stmt { line DETACH {optx DATABASE} /database-name } drop-index-stmt { line DROP INDEX {optx IF EXISTS} {optx /database-name .} /index-name } drop-table-stmt { line DROP TABLE {optx IF EXISTS} {optx /database-name .} /table-name } drop-trigger-stmt { line DROP TRIGGER {optx IF EXISTS} {optx /database-name .} /trigger-name } drop-view-stmt { line DROP VIEW {optx IF EXISTS} {optx /database-name .} /view-name } expr { or {line literal-value} {line bind-parameter} {line {optx {optx /database-name .} /table-name .} /column-name} {line /unary-operator expr} {line expr /binary-operator expr} {line /function-name ( {or {line {optx DISTINCT} {toploop expr ,}} {} *} )} {line ( expr )} {line CAST ( expr AS type-name )} {line expr COLLATE /collation-name} {line expr {optx NOT} {or LIKE GLOB REGEXP MATCH} expr {optx ESCAPE expr}} {line expr {or ISNULL NOTNULL {line NOT NULL}}} {line expr IS {optx NOT} expr} {line expr {optx NOT} BETWEEN expr AND expr} {line expr {optx NOT} IN {or {line ( {or {} select-stmt {loop expr ,}} )} {line {optx /database-name .} /table-name} } } {line {optx {optx NOT} EXISTS} ( select-stmt )} {line CASE {optx expr} {loop {line WHEN expr THEN expr} {}} {optx ELSE expr} END} {line raise-function} } raise-function { line RAISE ( {or IGNORE {line {or ROLLBACK ABORT FAIL} , /error-message } } ) } literal-value { or {line /integer-literal} {line /floating-point-literal} {line /string-literal} {line /blob-literal} {line NULL} {line CURRENT_TIME} {line CURRENT_DATE} {line CURRENT_TIMESTAMP} } insert-stmt { stack {line {or {line INSERT {opt OR {or ROLLBACK ABORT REPLACE FAIL IGNORE}}} REPLACE } INTO {optx /database-name .} /table-name } {tailbranch {line {optx ( {loop /column-name ,} )} {tailbranch {line VALUES ( {loop expr ,} )} select-stmt } } {line DEFAULT VALUES} } } pragma-stmt { line PRAGMA {optx /database-name .} /pragma-name {or nil {line = pragma-value} {line ( pragma-value )} } } pragma-value { or signed-number /name /string-literal } reindex-stmt { line REINDEX {tailbranch /collation-name {line {optx /database-name .} {tailbranch /table-name /index-name} } } } select-stmt { stack {loop {line select-core nil} {nil compound-operator nil}} {optx ORDER BY {loop ordering-term ,}} {optx LIMIT /integer {optx {or OFFSET ,} /integer}} } select-core { stack {line SELECT {or nil DISTINCT ALL} {loop result-column ,}} {optx FROM join-source} {optx WHERE expr} {optx GROUP BY {loop ordering-term ,} {optx HAVING expr}} } result-column { or * {line /table-name . *} {line expr {optx {optx AS} /column-alias}} } join-source { line single-source {opt {loop {line nil join-op single-source join-constraint nil} {}}} } single-source { or {line {optx /database-name .} /table-name {optx {optx AS} /table-alias} {or nil {line INDEXED BY /index-name} {line NOT INDEXED}} } {line ( select-stmt ) {optx {optx AS} /table-alias} } {line ( join-source )} } join-op { or {line ,} {line {opt NATURAL} {or {line {opt LEFT} {opt OUTER}} INNER CROSS} JOIN } } join-constraint { or {line ON expr} {line USING ( {loop /column-name ,} )} nil } ordering-term { line expr {opt COLLATE /collation-name} {or nil ASC DESC} } compound-operator { or {line UNION {optx ALL}} INTERSECT EXCEPT } update-stmt { stack {line UPDATE {opt OR {or ROLLBACK ABORT REPLACE FAIL IGNORE}} qualified-table-name} {line SET {loop {line /column-name = expr} ,} {optx WHERE expr}} } update-stmt-limited { stack {line UPDATE {opt OR {or ROLLBACK ABORT REPLACE FAIL IGNORE}} qualified-table-name} {line SET {loop {line /column-name = expr} ,} {optx WHERE expr}} {optx {stack {optx ORDER BY {loop ordering-term ,}} {line LIMIT /integer {optx {or OFFSET ,} /integer}} } } } qualified-table-name { line {optx /database-name .} /table-name {or nil {line INDEXED BY /index-name} {line NOT INDEXED}} } vacuum-stmt { line VACUUM } comment-syntax { or {line -- {loop nil /anything-except-newline} {or /newline /end-of-input}} {line /* {loop nil /anything-except-*/} {or */ /end-of-input}} } } # used for curves set rad "4px" # used for bubble text set font1 "8px" # used for arrows set font2 "12px" # used for set font3 "14px" # | set c9474 "<table><tr><td class=\"rside\"></td><td class=\"empty\"></td></tr><tr><td class=\"rside\"></td><td class=\"empty\"></td></tr></table>" # -| set c9488 "<table><tr><td class=\"empty\"></td><td class=\"empty\"></td></tr><tr><td class=\"top\"></td><td class=\"lside\"></td></tr></table>" # |- set c9484 "<table><tr><td class=\"empty\"></td><td class=\"bottom\"></td></tr><tr><td class=\"rside\"></td><td class=\"empty\"></td></tr></table>" # |_ set c9492 "<table><tr><td class=\"empty\"></td><td class=\"lside\"></td></tr><tr><td class=\"empty\"></td><td class=\"top\"></td></tr></table>" # _| set c9496 "<table><tr><td class=\"bottom\"></td><td class=\"lside\"></td></tr><tr><td class=\"empty\"></td><td class=\"empty\"></td></tr></table>" #--( top left set c9581 "<table><tr><td class=\"bottom\"></td><td class=\"bottom\"></td></tr><tr><td class=\"empty\"></td><td class=\"empty\" style=\"border-top-style:solid; border-left-style:solid; border-width:1px; border-top-left-radius:$rad; -moz-border-radius-topleft:$rad; -webkit-border-top-left-radius:$rad;\"></td></tr></table>" #-|- set c9516 "<table><tr><td class=\"bottom\"></td><td class=\"bottom\"></td></tr><tr><td class=\"rside\"></td><td class=\"empty\"></td></tr></table>" #( bot left set c9584 "<table><tr><td class=\"empty\"></td><td class=\"empty\" style=\"border-bottom-style:solid; border-left-style:solid; border-width:1px; border-bottom-left-radius:$rad; -moz-border-radius-bottomleft:$rad; -webkit-border-bottom-left-radius:$rad;\"></td></tr><tr><td class=\"empty\"></td><td class=\"empty\"></td></tr></table>" # ) bot right set c9583 "<table><tr><td class=\"empty\" style=\"border-bottom-style:solid; border-right-style:solid; border-width:1px; border-bottom-right-radius:$rad; -moz-border-radius-bottomright:$rad; -webkit-border-bottom-right-radius:$rad;\"></td><td class=\"empty\"></td></tr><tr><td class=\"empty\"></td><td class=\"empty\"></td></tr></table>" # |- set c9500 "<table><tr><td class=\"rside\"></td><td class=\"bottom\"></td></tr><tr><td class=\"rside\"></td><td class=\"empty\"></td></tr></table>" # -| set c9508 "<table><tr><td class=\"bottom\"></td><td class=\"lside\"></td></tr><tr><td class=\"empty\"></td><td class=\"lside\"></td></tr></table>" #-> set rarr "<table><tr><td class=\"bottom\"></td><td rowspan=2 style=\"vertical-align:middle; font-size:$font2;\">></td></tr><tr><td class=\"empty\"></td></tr></table>" # <- set larr "<table><tr><td rowspan=2 style=\"vertical-align:middle; font-size:$font2;\"><</td><td class=\"bottom\"></td></tr><tr><td class=\"empty\"></td></tr></table>" # --- set hr "<table width=100%><tr><td class=\"bottom\"></td></tr><tr><td class=\"empty\"></td></tr></table>" # Draw a bubble containing $txt. # proc draw_bubble {txt} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr if {$txt=="nil"} { return [list 1 "<table><tr><td width=100%>$hr</td></tr></table>"] } elseif {$txt=="bullet"} { return [list 1 "<table><tr><td>⊗</td></tr></table>"] } if {[regexp {^/[a-z]} $txt]} { set txt [string range $txt 1 end] set istoken 1 } elseif {[regexp {^[a-z]} $txt]} { set istoken 0 } else { set istoken 1 } set txt " $txt " if {$istoken} { return [list 1 "<table><tr><td class=\"round\">$txt</td></tr></table>"] } else { return [list 1 "<table><tr><td class=\"square\">$txt</td></tr></table>"] } return [list 0 ""] } # Draw a sequence of terms from left to write. Each element of $lx # descripts a single term. # proc draw_line {lx} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set n [llength $lx] set h 1 set content "" set i 0 foreach term $lx { incr i set rc [draw_diagram $term] set th [lindex $rc 0] set tcontent [lindex $rc 1] if { $th > $h } { set h $th } if {$i != $n} { set content "$content<td>$tcontent</td><td>$rarr</td>" } else { set content "$content<td>$tcontent</td>" } } set content "<table><tr>$content</tr></table>" return [list $h $content] } # Draw a sequence of terms from right to left. # proc draw_backwards_line {lx} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set n [llength $lx] set h 1 if {$n < 1} { set content "<td width=100%>$hr</td>" } { set content "" set i 0 foreach term $lx { incr i set rc [draw_diagram $term 1] set th [lindex $rc 0] set tcontent [lindex $rc 1] if { $th > $h } { set h $th } if {$i != $n} { set content "<td>$larr</td><td>$tcontent</td>$content" } else { set content "<td>$tcontent</td>$content" } } } set content "<table><tr>$content<td width=100%>$hr</td></tr></table>" return [list $h $content] } # Draw a sequence of terms from top to bottom. # proc draw_stack {indent lx} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set n [llength $lx] set h 0 set content "<table>" set i 0 foreach term $lx { set rc [draw_diagram $term 1] set th [lindex $rc 0] set tcontent [lindex $rc 1] set h [ expr { $h + $th } ] set v [ expr { $th - 1 } ] set vert [string repeat "<tr><td>$c9474</td><tr>" $v] incr i if {$i == 1} { set down "<table><tr><td>$c9488</td></tr>$vert</table>" set up "<table><tr><td>$c9484</td></tr>$vert</table>" set content "$content<tr><td>$hr</td><td>$hr</td><td>$tcontent</td><td>$rarr</td><td>$down</td><td>$up</td></tr>" } elseif {$i == $n} { set content "$content<tr><td>$c9492</td><td>$rarr</td><td>$tcontent</td><td>$hr</td><td>$rarr</td><td>$c9496</td></tr>" } else { set down "<table><tr><td>$c9488</td></tr>$vert</table>" set up "<table><tr><td>$c9474</td></tr>$vert</table>" set content "$content<tr><td>$c9492</td><td>$rarr</td><td>$tcontent</td><td>$rarr</td><td>$down</td><td>$up</td></tr>" } if {$i != $n} { incr h set content "$content<tr><td>$c9484</td><td>$larr</td><td width=100%>$hr</td><td>$larr</td><td>$c9496</td><td>$c9474</td></tr>" } } set content "$content</table>" return [list $h $content] } proc draw_loop {forward back} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set h 0 set content "<table>" set rc [draw_diagram $forward 1] set th [lindex $rc 0] set tcontent [lindex $rc 1] set v [ expr { $th - 1 } ] set vert [string repeat "<tr><td>$c9474</td><tr>" $v] set up "$c9581" set down "$c9516" if { $v > 0 } { set up "<table><tr><td>$c9581</td></tr>$vert</table>" set down "<table><tr><td>$c9516</td></tr>$vert</table>" } set h [ expr { $h + $th } ] set content "$content<tr><td>$up</td><td>$rarr</td><td>$tcontent</td><td>$rarr</td><td>$down</td></tr>" set rc [draw_backwards_line $back] set th [lindex $rc 0] set tcontent [lindex $rc 1] set h [ expr { $h + $th } ] set content "$content<tr><td>$c9584</td><td>$larr</td><td>$tcontent</td><td>$larr</td><td>$c9583</td></tr>" set content "$content</table>" return [list $h $content] } proc draw_toploop {forward back} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set h 0 set content "<table>" set rc [draw_diagram $forward 1] set th [lindex $rc 0] set tcontent [lindex $rc 1] set v [ expr { $th - 1 } ] set vert [string repeat "<tr><td>$c9474</td><tr>" $v] set up "$c9581" set down "$c9516" if { $v > 0 } { set up "<table><tr><td>$c9581</td></tr>$vert</table>" set down "<table><tr><td>$c9516</td></tr>$vert</table>" } set h [ expr { $h + $th } ] set content "$content<tr><td>$up</td><td>$rarr</td><td>$tcontent</td><td>$rarr</td><td>$down</td></tr>" set rc [draw_backwards_line $back] set th [lindex $rc 0] set tcontent [lindex $rc 1] set h [ expr { $h + $th } ] set content "$content<tr><td>$c9584</td><td>$larr</td><td>$tcontent</td><td>$larr</td><td>$c9583</td></tr>" set content "$content</table>" return [list $h $content] } proc draw_or {lx} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set n [llength $lx] set h 0 set content "<table>" set i 0 foreach term $lx { set rc [draw_diagram $term 1] set th [lindex $rc 0] set tcontent [lindex $rc 1] set v [ expr { $th - 1 } ] set vert [string repeat "<tr><td>$c9474</td><tr>" $v] incr i if {$i == 1} { set beg "<tr><td>$c9516</td><tr>" set end "<tr><td>$c9516</td><tr>" } elseif {$i == $n} { set beg "<tr><td>$c9492</td><tr>" set end "<tr><td>$c9496</td><tr>" set vert "" } else { set beg "<tr><td>$c9500</td><tr>" set end "<tr><td>$c9508</td><tr>" } set h [ expr { $h + $th } ] set content "$content<tr><td><table>$beg$vert</table></td><td>$rarr</td><td>$tcontent</td><td>$rarr</td><td><table>$end$vert</table></td></tr>" } set content "$content</table>" return [list $h $content] } proc draw_diagram {spec {draw_hr 0}} { global c9474 c9488 c9484 c9492 c9496 c9581 c9516 c9584 c9583 c9500 c9508 rarr larr hr set n [llength $spec] set cmd [lindex $spec 0] if {$n==1} { set rc [draw_bubble $spec] } elseif {$n==0} { set rc [draw_bubble nil] } elseif {$cmd=="line"} { set rc [draw_line [lrange $spec 1 end]] } elseif {$cmd=="stack"} { set rc [draw_stack 0 [lrange $spec 1 end]] } elseif {$cmd=="indentstack"} { set rc [draw_stack $::HSEP [lrange $spec 1 end]] } elseif {$cmd=="loop"} { set rc [draw_loop [lindex $spec 1] [lindex $spec 2]] } elseif {$cmd=="toploop"} { set rc [draw_toploop [lindex $spec 1] [lindex $spec 2]] } elseif {$cmd=="or"} { set rc [draw_or [lrange $spec 1 end]] } elseif {$cmd=="opt"} { set args [lrange $spec 1 end] if {[llength $args]==1} { set rc [draw_or [list nil [lindex $args 0]]] } else { set rc [draw_or [list nil "line $args"]] } } elseif {$cmd=="optx"} { set args [lrange $spec 1 end] if {[llength $args]==1} { set rc [draw_or [list [lindex $args 0] nil]] } else { set rc [draw_or [list "line $args" nil]] } } elseif {$cmd=="tailbranch"} { # set rc [draw_tail_branch [lrange $spec 1 end]] set rc [draw_or [lrange $spec 1 end]] } else { error "unknown operator: $cmd" } set h [lindex $rc 0] set content [lindex $rc 1] if {$draw_hr} { set content "<table><tr><td>$content</td><td width=100%>$hr</td></tr></table>" } { set content "<table><tr><td>$content</td></tr></table>" } return [list $h $content] } proc draw_graph {name spec} { set rc [ draw_diagram "line bullet [list $spec] bullet"] set h [lindex $rc 0] set content [lindex $rc 1] return [list $h $content] } set f [open all-text.html w] puts $f "<html>" puts $f "<head>" puts $f "<style type='text/css'>" puts $f "h3 { font-family:helvetica; font-size:$font3; }" puts $f "table, td { border-style:none; margin:0px; padding:0px; border-spacing:0px; }" puts $f "td { vertical-align:top; white-space:nowrap; font-family:helvetica; font-size:$font3; }" puts $f "hr { height:1px; }" puts $f ".round { font-size:$font1; border-style:solid; border-width:1px; margin:0px; padding:1px; border-spacing:0px; border-radius:$rad; -moz-border-radius:$rad; -webkit-border-radius:$rad; }" puts $f ".square { font-size:$font1; border-style:solid; border-width:1px; margin:0px; padding:1px; border-spacing:0px; }" puts $f ".side { border-style:solid; border-width:1px; }" puts $f ".top { empty-cells:show; padding:$rad; border-top-style:solid; border-width:1px; }" puts $f ".bottom { empty-cells:show; padding:$rad; border-bottom-style:solid; border-width:1px; }" puts $f ".rside { empty-cells:show; padding:$rad; border-right-style:solid; border-width:1px; }" puts $f ".lside { empty-cells:show; padding:$rad; border-left-style:solid; border-width:1px; }" puts $f ".empty { empty-cells:show; padding:$rad; }" puts $f "</style>" puts $f "</head>" puts $f "<body>" foreach {name graph} $all_graphs { puts $f "<h3>$name:</h3>" set rc [draw_graph $name $graph] set h [lindex $rc 0] set content [lindex $rc 1] puts $f "$content" } puts $f "</body>" puts $f "</html>" close $f |