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6.1.4 Conditions ¶

Condition: character-list-cycle () ¶

The Character List Cycle compliance error.
It signals that a cycle was found in a list of ascending character sizes.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The cyclic character list.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: different-fonts () ¶

The Different Fonts usage error.
It signals an attempt at retrieving a ligature or kerning for two characters from different fonts.

Package

net.didierverna.tfm

Source

font.lisp (file)

Direct superclasses

tfm-usage-error (condition)

Direct methods

• character2 (method)
• character2 (method)
• character1 (method)
• character1 (method)

Direct slots

Slot: character1 ¶

The first character.

Initargs

:character1

Readers

character1 (generic function)

Writers

(setf character1) (generic function)

Slot: character2 ¶

The second character.

Initargs

:character2

Readers

character2 (generic function)

Writers

(setf character2) (generic function)

Condition: extended-tfm () ¶

The Extended TFM warning.
It signals that a file contains extended TFM data (OFM or JFM) rather than plain TFM data.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-warning (condition)

Direct methods

• file (method)
• file (method)
• value (method)
• value (method)

Direct slots

Slot: value ¶

The TFM extension.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Slot: file ¶

The extended TFM file.

Initargs

:file

Readers

file (generic function)

Writers

(setf file) (generic function)

Condition: file-overflow () ¶

The File Overflow compliance warning.
It signals that the file size is longer than expected.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

• tfm-compliance-warning (condition)
• file-size-mixin (condition)

Condition: file-underflow () ¶

The File Underflow compliance error.
It signals that the file size is shorter than expected.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

• tfm-compliance-error (condition)
• file-size-mixin (condition)

Condition: fix-word-overflow () ¶

The Fix Word Overflow compliance error.
It signals that a fix word is outside ]-16,+16[.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The faulty value.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-bcpl-string () ¶

The Invalid BCPL String compliance error.
It signals that a BCPL string contains parentheses or non-ASCII characters.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid string.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-char-info () ¶

The Invalid Char Info compliance error.
It signals that a char-info with a width-index of 0 is not completely zero’ed out.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid char-info structure.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-character-code () ¶

The Invalid Character Code compliance error.
It signals a reference to a character code which does not exist in the font being loaded.

Package

net.didierverna.tfm

Source

font.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid character code.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-character-range () ¶

The Invalid Character Range compliance error. It signals that BC-1 > EC, or that EC > 255.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• ec (method)
• ec (method)
• bc (method)
• bc (method)

Direct slots

Slot: bc ¶

The smallest character code.

Initargs

:bc

Readers

bc (generic function)

Writers

(setf bc) (generic function)

Slot: ec ¶

The largest character code.

Initargs

:ec

Readers

ec (generic function)

Writers

(setf ec) (generic function)

Condition: invalid-design-size () ¶

The Invalid Design Size compliance error.
It signals that a design size is too small (< 1pt).

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid design size.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-header-length () ¶

The Invalid Header Length compliance error.
It signals that a header length is too small (< 2 words).

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid header length.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-ligature-opcode () ¶

The Invalid Ligature Opcode compliance error. It signals that a ligature opcode is invalid.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid ligature opcode.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: invalid-section-lengths () ¶

The Section Lengths compliance error.
It signals that LF != 6 + LH + NC + NW + NH + ND + NI + NL + NK + NE + NP.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• np (method)
• np (method)
• ne (method)
• ne (method)
• nk (method)
• nk (method)
• nl (method)
• nl (method)
• ni (method)
• ni (method)
• nd (method)
• nd (method)
• nh (method)
• nh (method)
• nw (method)
• nw (method)
• nc (method)
• nc (method)
• lh (method)
• lh (method)
• lf (method)
• lf (method)

Direct slots

Slot: lf ¶

The declared length of the file.

Initargs

:lf

Readers

lf (generic function)

Writers

(setf lf) (generic function)

Slot: lh ¶

The declared length of the file header.

Initargs

:lh

Readers

lh (generic function)

Writers

(setf lh) (generic function)

Slot: nc ¶

EC - BC + 1.

Initargs

:nc

Readers

nc (generic function)

Writers

(setf nc) (generic function)

Slot: nw ¶

The declared length of the width table.

Initargs

:nw

Readers

nw (generic function)

Writers

(setf nw) (generic function)

Slot: nh ¶

The declared length of the height table.

Initargs

:nh

Readers

nh (generic function)

Writers

(setf nh) (generic function)

Slot: nd ¶

The declared length of the depth table.

Initargs

:nd

Readers

nd (generic function)

Writers

(setf nd) (generic function)

Slot: ni ¶

The declared length of the italic correction table.

Initargs

:ni

Readers

ni (generic function)

Writers

(setf ni) (generic function)

Slot: nl ¶

The declared length of the lig/kern table.

Initargs

:nl

Readers

nl (generic function)

Writers

(setf nl) (generic function)

Slot: nk ¶

The declared length of the kern table.

Initargs

:nk

Readers

nk (generic function)

Writers

(setf nk) (generic function)

Slot: ne ¶

The declared length of the extensible character table.

Initargs

:ne

Readers

ne (generic function)

Writers

(setf ne) (generic function)

Slot: np ¶

The declared length of the parameters section.

Initargs

:np

Readers

np (generic function)

Writers

(setf np) (generic function)

Condition: invalid-string-length () ¶

The Invalid String Length compliance error.
It signals that the declared length of a padded string is greater than its maximum.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• padding (method)
• padding (method)
• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid length.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Slot: padding ¶

The maximum length.

Initargs

:padding

Readers

padding (generic function)

Writers

(setf padding) (generic function)

Condition: invalid-table-index () ¶

The Invalid Table Index compliance error.
It signals that a table index is greater than its largest value.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-table-error (condition)

Direct methods

• largest (method)
• largest (method)
• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid index.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Slot: largest ¶

The largest index.

Initargs

:largest

Readers

largest (generic function)

Writers

(setf largest) (generic function)

Condition: invalid-table-length () ¶

The Invalid Table Length compliance error.
It signals that a declared TFM table’s length is out of range.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-table-error (condition)

Direct methods

• largest (method)
• largest (method)
• smallest (method)
• smallest (method)
• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid table length.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Slot: smallest ¶

The smallest table length.

Initargs

:smallest

Readers

smallest (generic function)

Writers

(setf smallest) (generic function)

Slot: largest ¶

The largest table length.

Initargs

:largest

Readers

largest (generic function)

Writers

(setf largest) (generic function)

Condition: invalid-table-start () ¶

The Invalid Table Start compliance error.
It signals that the first value in a TFM table is not 0.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-table-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The invalid first table value.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: ligature-cycle () ¶

The Ligature Cycle compliance error.
It signals that a ligature introduces a cycle for a cons of characters.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• characters (method)
• characters (method)
• value (method)
• value (method)

Direct slots

Slot: value ¶

The ligature introducing a cycle.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Slot: characters ¶

The cons of characters involved in the ligature.

Initargs

:characters

Readers

characters (generic function)

Writers

(setf characters) (generic function)

Condition: no-boundary-character () ¶

The No Boundary Character compliance error.
It signals that a boundary character ligature/kerning program was found, without a boundary character being defined.

Package

net.didierverna.tfm

Source

file.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Condition: not-extensible () ¶

The Not Extensible usage error.
It signals an attempt at accessing the extension recipe of a non extensible character.

Package

net.didierverna.tfm

Source

character.lisp (file)

Direct superclasses

tfm-usage-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The non extensible character.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)

Condition: tfm () ¶

The TFM root condition.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

condition (condition)

Direct subclasses

• tfm-warning (condition)
• tfm-error (condition)
• tfm-compliance (condition)
• tfm-usage (condition)

Condition: tfm-compliance () ¶

The TFM Compliance root condition.
This is the mixin for conditions related to TFM compliance.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

tfm (condition)

Direct subclasses

• tfm-compliance-warning (condition)
• tfm-compliance-error (condition)

Condition: tfm-compliance-error () ¶

The TFM compliance errors root condition.
This is the root condition for errors related to TFM compliance.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

• tfm-compliance (condition)
• tfm-error (condition)

Direct subclasses

• u16-overflow (condition)
• fix-word-overflow (condition)
• invalid-string-length (condition)
• invalid-bcpl-string (condition)
• invalid-character-code (condition)
• invalid-design-size (condition)
• tfm-table-error (condition)
• invalid-ligature-opcode (condition)
• invalid-char-info (condition)
• no-boundary-character (condition)
• character-list-cycle (condition)
• ligature-cycle (condition)
• file-underflow (condition)
• invalid-header-length (condition)
• invalid-character-range (condition)
• invalid-section-lengths (condition)

Condition: tfm-compliance-warning () ¶

The TFM compliance warnings root condition.
This is the root condition for warnings related to TFM compliance.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

• tfm-compliance (condition)
• tfm-warning (condition)

Direct subclasses

• invalid-original-design-size (condition)
• file-overflow (condition)

Condition: tfm-error () ¶

The TFM errors root condition.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

• error (condition)
• tfm (condition)

Direct subclasses

• tfm-compliance-error (condition)
• tfm-usage-error (condition)

Condition: tfm-usage () ¶

The TFM Usage root condition.
This is the mixin for conditions related to the use of the library.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

tfm (condition)

Direct subclasses

• tfm-usage-warning (condition)
• tfm-usage-error (condition)

Condition: tfm-usage-error () ¶

The TFM usage errors root condition.
This is the root condition for errors related to the use of the library.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

• tfm-usage (condition)
• tfm-error (condition)

Direct subclasses

• not-extensible (condition)
• anonymous-font (condition)
• different-fonts (condition)

Condition: tfm-usage-warning () ¶

The TFM usage warnings root condition.
This is the root condition for warnings related to the use of the library.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

• tfm-usage (condition)
• tfm-warning (condition)

Condition: tfm-warning () ¶

The TFM warnings root condition.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

• warning (condition)
• tfm (condition)

Direct subclasses

• tfm-compliance-warning (condition)
• tfm-usage-warning (condition)
• extended-tfm (condition)

Condition: u16-overflow () ¶

The U16 Overflow compliance error.
It signals that an unsigned 16 bits integer is greater than 2^15.

Package

net.didierverna.tfm

Source

util.lisp (file)

Direct superclasses

tfm-compliance-error (condition)

Direct methods

• value (method)
• value (method)

Direct slots

Slot: value ¶

The faulty value.

Initargs

:value

Readers

value (generic function)

Writers

(setf value) (generic function)